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https://hackaday.com/2018/01/07/scrap-a-hard-drive-build-a-rotary-encoder/
Scrap A Hard Drive, Build A Rotary Encoder
Dan Maloney
[ "hardware" ]
[ "BLDC", "coil", "comparator", "encoder", "hdd", "MCP6002", "windings", "wye" ]
https://hackaday.com/wp-…816462.png?w=800
There’s something to be said for the feel of controls. Whether it’s the satisfying snap of a high-quality switch or the buttery touch of the pots on an expensive amplifier, the tactile experience of the controls you interact with says a lot about a device. [GreatScott!] knows this, and rather than put up with the bump ...
26
14
[ { "comment_id": "4293010", "author": "Steve Spence - KK4HFJ", "timestamp": "2018-01-07T15:14:04", "content": "Since when does a nano have a DAC?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4293018", "author": "chrstphrchvz", "timestamp": "...
1,760,374,533.241711
https://hackaday.com/2018/01/07/a-mini-stacker-arcade-cabinet/
A Mini Stacker Arcade Cabinet
Kristina Panos
[ "Microcontrollers" ]
[ "bitwise", "leds", "mojo", "mojo fpga", "RGB LEDs", "stacker", "ws2812b" ]
https://hackaday.com/wp-…er-800.png?w=800
For [LumoW], what started as a school project turned into a passion project. He and his team made a hardware implementation of an arcade game called Stacker . Never heard of it? It’s pretty fun, kind of like an inverse Tetris. You can play the flash version here and see their mini arcade version after the break. The ga...
10
6
[ { "comment_id": "4292955", "author": "Jan", "timestamp": "2018-01-07T12:30:03", "content": "didn’t know the game but it seems like a fun and addictive little game. A very nice project to do with an FPGA.Nice arcadestyle cabinet and the way the backpanel is fixed seems really practical. I can imagine...
1,760,374,533.607022
https://hackaday.com/2018/01/07/the-secret-of-twinkling-christmas-lights/
The Secret Of Twinkling Christmas Lights
Adam Fabio
[ "classic hacks", "Holiday Hacks" ]
[ "Christmas Light", "incandescent", "Incandescent light bulb", "twinkle", "twinkling" ]
https://hackaday.com/wp-…winkle.png?w=800
With the holidays over, many of us are braving the elements to take down all those holiday lights. LED lights have largely taken over the market, but in some places, you can still get classic incandescent bulbs. There are some effects that LEDs can’t quite mimic yet. One of those is the magic of “twinkling” light sets,...
27
20
[ { "comment_id": "4292948", "author": "Dan", "timestamp": "2018-01-07T12:20:24", "content": "I don’t believe I’ve ever seen these types of lights before, and I didn’t think the effect was anything special when he finally got around to showing it. These things probably go hand in hand: if you’ve seen ...
1,760,374,533.458364
https://hackaday.com/2018/01/06/3d-printed-propellers-take-to-the-skies/
3D Printed Propellers Take To The Skies
Lewin Day
[ "3d Printer hacks" ]
[ "3d printer", "3d printing", "drone", "propeller", "quadcopter" ]
https://hackaday.com/wp-…in4505.png?w=800
In the world of drones, propeller choice is key to performance. Selecting the right props can have a major effect on things like flight time, vibration, and a whole host of other factors. Thinking it might be fun to experiment, [RCLifeOn] decided to 3D print some props and head out for a fligh t . The props are a fairl...
10
7
[ { "comment_id": "4292822", "author": "soundman98", "timestamp": "2018-01-07T06:39:29", "content": "he needs to learn the old art of prop balancing. “what is old is new again”", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4292831", "author": "Nay",...
1,760,374,533.340084
https://hackaday.com/2018/01/06/tearing-down-a-darkroom-relic-for-buried-treasure/
Tearing Down A Darkroom Relic For Buried Treasure
Dan Maloney
[ "classic hacks", "Teardown" ]
[ "analyzer", "color photography", "darkroom", "film", "photomultiplier tube", "PM31A" ]
https://hackaday.com/wp-…297511.png?w=800
If your goal is to harvest unique parts from defunct devices, the further back in time you go, the better the pickings stand to be. At least that’s what [Kerry Wong] discovered during his tear-down of a darkroom color analyzer from the early 1980s. For readers whose experience with photography has been solely digital, ...
10
4
[ { "comment_id": "4292218", "author": "DainBramage", "timestamp": "2018-01-06T13:48:20", "content": "Manual: “…the Beseler PM1A uses solid state circuitry.”[Kerry Wong]: “And here’s our RCA photomultiplier tube.”Gotta love the marketing speak in the manual. If that’s not misleading, I don’t know what...
1,760,374,533.50396
https://hackaday.com/2018/01/05/fallen-radiosonde-reborn-as-active-l-band-antenna/
Fallen Radiosonde Reborn As Active L-band Antenna
Dan Maloney
[ "Radio Hacks" ]
[ "active antenna", "helical antenna", "iridium", "l-band", "LNA", "radiosonde", "RS92" ]
https://hackaday.com/wp-…085587.jpg?w=800
If your hobby is chasing radiosondes across vast stretches of open country, and if you get good enough at it, you’ll eventually end up with a collection of the telemetry packages that once went up on weather balloons to record the conditions aloft. Once you’ve torn one or two down though, the novelty must wear off, whi...
14
6
[ { "comment_id": "4292050", "author": "Ostracus", "timestamp": "2018-01-06T07:23:42", "content": "Aren’t you suppose to return them?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4292055", "author": "Jsp", "timestamp": "2018-01-06T07:31:57", ...
1,760,374,533.293733
https://hackaday.com/2018/01/05/bark-back-iot-pet-monitor/
Bark Back IoT Pet Monitor
James Hobson
[ "how-to", "Raspberry Pi" ]
[ "dog", "IoT", "monitor", "mqtt", "pet", "vacation" ]
https://hackaday.com/wp-…i8sska.jpg?w=800
Does your pet get distressed when you’re not home? Or, perhaps their good behaviour slips when you’re not around and they cause a ruckus for the neighbours. Well, [jenfoxbot] has just such a dog, so she built a ‘bark back’ IoT pet monitor to keep an eye on him while she’s out. The brains and backbone of the pet monitor...
6
3
[ { "comment_id": "4291977", "author": "Ostracus", "timestamp": "2018-01-06T04:01:04", "content": "“Does your pet get distressed when you’re not home?”Get a pet for your pet.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4292106", "author": "fm`", ...
1,760,374,533.3804
https://hackaday.com/2018/01/05/power-your-guitar-pedals-with-drill-batteries/
Power Your Guitar Pedals With Drill Batteries
Lewin Day
[ "classic hacks" ]
[ "buck converter", "drill", "drill batteries", "drill battery", "guitar", "guitar pedal", "guitar pedals" ]
https://hackaday.com/wp-…in4503.jpg?w=800
Guitar pedals are a great way to experiment with the sound of your instrument. However, they require electricity, and when you’re using more than a couple, it can get messy. Some will run on batteries, while others are thirstier for more current and will only work with a plugback. There are a great many solutions out t...
23
10
[ { "comment_id": "4291877", "author": "Daren Schwenke", "timestamp": "2018-01-06T00:09:34", "content": "Buck/Boost convertors of the inexpensive variety often have significant high frequency ringing on their outputs. Adding a couple caps, say a .1uf, 10uf, and a 3300uf does a pretty good job of clea...
1,760,374,533.560479
https://hackaday.com/2018/01/05/attiny-chip-abused-in-rfid-application/
ATtiny Chip Abused In RFID Application
Bryan Cockfield
[ "Microcontrollers" ]
[ "Atmel", "attiny", "diodes", "input pins", "microcontroller", "protection", "rfid" ]
https://hackaday.com/wp-…1/main.jpg?w=800
One of Atmel’s smallest microcontrollers, the ATtiny, is among the most inexpensive and reliable chips around for small applications. It’s also one of the most popular. If you don’t need more than a few inputs or outputs, there’s nothing better. As a show of its ability to thrive under adverse conditions, [Trammell Hud...
21
8
[ { "comment_id": "4291781", "author": "Ren", "timestamp": "2018-01-05T21:19:33", "content": "Sort of like this…https://hackaday.com/2013/01/21/an-attempt-to-replace-multiple-rfid-cards-with-a-single-hacked-together-tag/Aw heck!Just enter “ATTINY + RFID” into the HaD Search box…", "parent_id": nul...
1,760,374,533.944032
https://hackaday.com/2018/01/05/lets-talk-intel-meltdown-and-spectre/
Let’s Talk Intel, Meltdown, And Spectre
Mike Szczys
[ "Current Events", "Featured", "News", "Original Art", "Slider" ]
[ "branch prediction", "branch predictor", "intel", "Meltdown", "open hardware", "silicon design", "Spectre", "vulnerability" ]
https://hackaday.com/wp-…/intel.jpg?w=800
This week we’ve seen a tsunami of news stories about a vulnerability in Intel processors. We’re certain that by now you’ve heard of (and are maybe tired of hearing about) Meltdown and Spectre. However, as a Hackaday reader, you are likely the person who others turn to when they need to get the gist of news like this. S...
150
27
[ { "comment_id": "4291710", "author": "Ren", "timestamp": "2018-01-05T19:36:28", "content": "“Branch preditors”Well, that’s a new term for me, I keep picturing velociraptors when I see it though…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4291711", ...
1,760,374,533.79456
https://hackaday.com/2018/01/05/teaching-alexa-to-3d-print/
Teaching Alexa To 3D Print
Al Williams
[ "3d Printer hacks", "Original Art", "Skills" ]
[ "3d printer", "alexa", "Amazon Alexa", "IFTTT", "Repetier", "Repetier Server", "voice command" ]
https://hackaday.com/wp-…1/echo.jpg?w=800
Sometimes a gadget like Alexa or Google Home is a solution looking for a problem. Then the problem you’ve been looking for hits you square in the face. I’ve confessed before that I have an oscilloscope problem. I also have a microcontroller development board habit. It appears now I have too many 3D printers. I recently...
21
11
[ { "comment_id": "4291658", "author": "Ren", "timestamp": "2018-01-05T18:22:18", "content": "“Alexa, make me a sammich!”", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4291679", "author": "Al Williams", "timestamp": "2018-01-05T18:58:32", ...
1,760,374,534.502863
https://hackaday.com/2018/01/06/pcb-production-on-the-sienci-mill-one/
PCB Production On The Sienci Mill One
Tom Nardi
[ "cnc hacks", "Tool Hacks" ]
[ "cnc", "fabrication", "mill", "pcb", "Sienci" ]
https://hackaday.com/wp-…i_feat.jpg?w=800
A complete start to finish electronics prototyping workshop is nirvana for many of us: being able to go from design on the computer to real hardware without having to get up from your rolling chair. The falling prices of 3D printers have helped make at least part of this a reality: $200 USD is enough to get you a print...
10
6
[ { "comment_id": "4292818", "author": "Wade", "timestamp": "2018-01-07T06:27:35", "content": "I’ve had pretty good luck milling PCBs using a $100 1610 CNC off of Aliexpress with Flatcam using a 30 degree engraver bit and a 0.15 mm cut depth. The machine is easily capable of that degree of accuracy an...
1,760,374,534.329011
https://hackaday.com/2018/01/06/3d-printing-wearables-with-a-net/
3D Printing Wearables With A Net
Al Williams
[ "3d Printer hacks", "Wearable Hacks" ]
[ "3d printing", "fabric", "Organza", "Wearables" ]
https://hackaday.com/wp-…12/net.png?w=800
If you want to build wearables, you need to know how to sew, right? Maybe not. While we’re sure it would come in handy, [Drato] (also known as [RobotMama]) shows how she prints designs directly on a net-like fabric . You can see a video of the process below. The video after the break shows an Ultimaker, but there’s rea...
4
4
[ { "comment_id": "4292706", "author": "I'm a terrible person", "timestamp": "2018-01-07T00:07:58", "content": "Clever!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4292751", "author": "mxb", "timestamp": "2018-01-07T02:16:07", "content": "You can ...
1,760,374,534.258356
https://hackaday.com/2018/01/06/3d-printed-wave-lamp-forecasts-the-weather/
3D Printed Wave Lamp Forecasts The Weather
Jenny List
[ "home hacks" ]
[ "3d printing", "ESP8266", "lamp", "nabaztag", "thingiverse" ]
https://hackaday.com/wp-…atured.jpg?w=800
While browsing Thingiverse, [Dushyant Ahuja] found a rather pleasing wave lamp, and since a mere lamp on its own would not quite be enough, he added a means by which his lamp could provide weather alerts by means of changing its color . It’s fair to say that the wave lamp is not a print for the faint-hearted, and it to...
4
3
[ { "comment_id": "4292688", "author": "Lukester", "timestamp": "2018-01-06T23:30:32", "content": "Wow", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4292690", "author": "Lukester", "timestamp": "2018-01-06T23:31:00", "content": "I really wish I gave...
1,760,374,534.404082
https://hackaday.com/2018/01/06/the-plypad-cnc-machine-yourself-a-tiny-house/
The PlyPad: CNC Machine Yourself A Tiny House
Jenny List
[ "home hacks", "News" ]
[ "cnc", "CNC woodworking", "maslow", "plywood", "plywood house", "tiny houses" ]
https://hackaday.com/wp-…atured.jpg?w=800
The Maslow CNC project is a CNC mill for sheet woodwork that is designed to be as inexpensive as possible and to be assembled by the end user. They’ve dropped us a line to tell us about a recent project they’ve undertaken as part of a collaboration to produce the PlyPad , a tiny house for Kenton Women’s Village , a pro...
58
14
[ { "comment_id": "4292419", "author": "Mike Massen", "timestamp": "2018-01-06T18:19:20", "content": "Hmm, this approach might well be applicable to accelerate the conversion of my 40ft Mercedesbus of late 1980’s to a fully massaged motor home, does seem to offer many potential congruentpaths – well i...
1,760,374,534.728571
https://hackaday.com/2018/01/06/this-is-the-last-weekend-for-the-coin-cell-challenge/
This Is The Last Weekend For The Coin Cell Challenge
Brian Benchoff
[ "contests" ]
[ "2017 Coin Cell Challenge", "coin cell" ]
https://hackaday.com/wp-…incell.jpg?w=800
This is it. This is the last weekend you’ll have to work on the most explosive battery-powered contest in recent memory. This is the Coin Cell Challenge , and it’s all ending this Monday. You have less than 48 hours to create the most amazing thing powered by a coin cell battery. Joseph Primmer slapped a coin cell on a...
6
2
[ { "comment_id": "4292617", "author": "Vishnu M Aiea", "timestamp": "2018-01-06T21:06:50", "content": "Well if you’re talking about theoretical operating time, I have published a cool project that’ll last more than 40 years on a CR2450 (540 mAh) coin cell and more than 16 years on a CR2032 cell (240 ...
1,760,374,534.558286
https://hackaday.com/2018/01/06/lowering-javascript-timer-resolution-thwarts-meltdown-and-spectre/
Lowering JavaScript Timer Resolution Thwarts Meltdown And Spectre
Roger Cheng
[ "News", "Security Hacks", "Slider", "Software Hacks" ]
[ "benchmark", "benchmarks", "intel", "javascript", "Meltdown", "Spectre", "web browser" ]
https://hackaday.com/wp-…atured.jpg?w=800
The computer security vulnerabilities Meltdown and Spectre can infer protected information based on subtle differences in hardware behavior. It takes less time to access data that has been cached versus data that needs to be retrieved from memory, and precisely measuring time difference is a critical part of these atta...
35
7
[ { "comment_id": "4292248", "author": "Whatnot", "timestamp": "2018-01-06T15:17:36", "content": "Somehow this seems sad, to have to be forced to have computers run fuzzy time because of buggy hardware and nasty abusers of such.But..perhaps someone will make a nice hardware hack for HaD that skews you...
1,760,374,534.636202
https://hackaday.com/2018/01/06/getting-acquainted-with-x86_64-binaries/
Learn To Reverse Engineer X86_64 Binaries
Sven Gregori
[ "Security Hacks", "Software Development" ]
[ "disassembler", "disassembly", "linux", "reverse engineering", "x86" ]
https://hackaday.com/wp-…atured.jpg?w=800
Opening up things, see how they work, and make them do what you want are just the basic needs of the average hacker. In some cases, a screwdriver and multimeter will do the job, but in other cases a binary blob of random software is all we have to work with. Trying to understand an unknown binary executable is an excit...
16
5
[ { "comment_id": "4292194", "author": "Gravis", "timestamp": "2018-01-06T12:47:39", "content": "Ah! Finally an intro that doesn’t depend on proprietary software.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4292257", "author": "Jonathan", "t...
1,760,374,534.819827
https://hackaday.com/2018/01/04/touch-a-sketch-gives-an-old-toy-a-new-twist/
Touch-A-Sketch Gives An Old Toy A New Twist
Kristina Panos
[ "handhelds hacks", "Microcontrollers" ]
[ "ece 4760", "etch a sketch", "pic32", "stepper motor", "touch screen", "uln2003" ]
https://hackaday.com/wp-…ch-800.png?w=800
After nearly 60 years and a lot of stairs and squares, there is finally an easier way to draw on an Etch A Sketch®. For their final project in embedded microcontroller class, [Serena, Francis, and Alejandro] implemented a motor-driven solution that takes input from a touch screen . Curves are a breeze to draw with a st...
3
2
[ { "comment_id": "4290606", "author": "Ren", "timestamp": "2018-01-04T22:01:56", "content": "When I was a HaD newb, ISTR another EaS that used motors on the knobs.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4290643", "author": "Art G. Granzeier III", ...
1,760,374,534.771187
https://hackaday.com/2018/01/04/there-once-was-an-ic-dedicated-to-blinking-an-led/
There Once Was An IC Dedicated To Blinking An LED
Jenny List
[ "LED Hacks", "News" ]
[ "led", "led flasher", "LM3909", "National Semiconductor" ]
https://hackaday.com/wp-…atured.jpg?w=800
Today you can buy flashing LEDs; a simple two-lead component that requires only a power supply to produce even flashes of light. They look for all the world like any other LED, though embedded in the plastic dome is an integrated circuit to do all that flashing work. There was a time though when a flashing LED was some...
56
27
[ { "comment_id": "4290479", "author": "RicoElectrico", "timestamp": "2018-01-04T19:40:42", "content": "You can use ICL7660 as well. The schematic is available in the interwebs.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4290581", "author": "quarte...
1,760,374,534.913738
https://hackaday.com/2018/01/04/guide-why-etch-when-you-can-mill/
Guide: Why Etch A PCB When You Can Mill?
Adil Malik
[ "Engineering", "Featured", "how-to", "Original Art", "Slider" ]
[ "3040 CNC", "flatcam", "gcode", "mill", "pcb", "PCB milling" ]
https://hackaday.com/wp-…illing.jpg?w=800
I recall the point I started taking electronics seriously, although excited, a sense of dread followed upon the thought of facing the two main obstacles faced by hobbyists and even professionals: Fabricating you own PCB’s and fiddling with the ever decreasing surface mount footprints. Any resistance to the latter prove...
83
24
[ { "comment_id": "4290414", "author": "SBiffy", "timestamp": "2018-01-04T18:27:37", "content": "What does SMD have to do with it? One could certainly use this same method to create a board for through-hole components!I kind of see people telling me I should be using SMD as similar to people telling m...
1,760,374,535.407602
https://hackaday.com/2018/01/04/huge-3d-printer-ditches-lead-screw-for-belt-driven-z-axis/
Huge 3D Printer Ditches Lead Screw For Belt Driven Z Axis
Will Sweatman
[ "3d Printer hacks" ]
[ "belt", "lead screw", "z-axis" ]
https://hackaday.com/wp-…z-axis.jpg?w=800
The vast majority of desktop 3D printers in use today use one or more lead screws for the Z-axis. Sometimes you need to think outside of the box to make an improvement on something. Sometimes you need to go against the grain and do something that others wouldn’t do before you can see what good will come out of it. [Mar...
36
17
[ { "comment_id": "4290319", "author": "Friend of MMS", "timestamp": "2018-01-04T16:52:17", "content": "Congrats Marks!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4291617", "author": "mrehorst", "timestamp": "2018-01-05T17:19:35", "...
1,760,374,535.257163
https://hackaday.com/2018/01/04/repairing-a-macbook-charger-are-you-nuts/
Repairing A Macbook Charger… With A Pistachio Nut
Lewin Day
[ "Hackaday Columns", "Repair Hacks", "Skills" ]
[ "charger", "laptop charger", "macbook", "magsafe", "notebook charger", "repair" ]
https://hackaday.com/wp-…atured.jpg?w=800
Laptop chargers face a hard life. They’re repeatedly plugged and unplugged, coiled up, stuffed into bags, thrown around, and just generally treated fairly poorly. Combine this with fairly lightweight design and it’s not uncommon for a laptop charger to fail after a few years. It’s usually the connector that goes first....
61
20
[ { "comment_id": "4290215", "author": "ethanboston", "timestamp": "2018-01-04T15:07:28", "content": "“…tap away at Digikey to get a replacement part on the way. With Magsafe? No dice. Replacement parts simply aren’t available — a common problem with proprietary connectors.”Well, actually, they are av...
1,760,374,535.907672
https://hackaday.com/2018/01/04/making-solar-cells/
Making Solar Cells
Al Williams
[ "Solar Hacks" ]
[ "silicon", "silicon wafer", "solar", "solar cell", "wafer" ]
https://hackaday.com/wp-…atured.jpg?w=800
We will admit that it is unlikely you have enough gear in your basement to make a solar cell using these steps. However, it is interesting to see how a bare silicon wafer becomes a solar cell. If you’ve seen ICs going through fabrication, you’ll see a lot of similarities, but there are some differences. The process cal...
11
7
[ { "comment_id": "4290126", "author": "CRJEEA", "timestamp": "2018-01-04T13:19:17", "content": "If anyone fancies a less technical form of diy solar power and doesn’t mind lower efficiencies… There’s always the copper oxide way.https://www.newphysicist.com/make-simple-solar-panel/", "parent_id": ...
1,760,374,535.575935
https://hackaday.com/2018/01/04/two-factor-authentication-with-the-esp8266/
Two Factor Authentication With The ESP8266
Tom Nardi
[ "clock hacks", "google hacks", "Security Hacks" ]
[ "2FA", "CircuitPython", "ESP8266", "google authenticator", "ladyada", "micropython", "totp" ]
https://hackaday.com/wp-…a_feat.jpg?w=800
Google Authenticator is a particularly popular smartphone application that can be used as a token for many two factor authentication (2FA) systems by generating a time-based one time password (referred to as TOTP). With Google Authenticator, the combination of your user name and password along with the single-use code ...
23
12
[ { "comment_id": "4290019", "author": "dzta", "timestamp": "2018-01-04T09:50:29", "content": "How about combine this with usb output. Then you can connect it to a computer, generate auth and enter it with a push on a button. No more enter the numbers manually :)", "parent_id": null, "depth": ...
1,760,374,535.640946
https://hackaday.com/2018/01/05/automatic-dust-collection-for-the-whole-shop/
Automatic Dust Collection For The Whole Shop
Tom Nardi
[ "home hacks", "Tool Hacks" ]
[ "blast gate", "cyclone separator", "dust collection", "harbor freight", "PVC", "woodworking" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you’ve got a woodworking area, or even if you’ve just got something that really churns out dust like a belt sander or table saw, there’s an excellent chance you hate sawdust with a passion. It gets all over your clothes, jams up everything mechanical, and as a fun little bonus can be explosive if not handled properl...
19
7
[ { "comment_id": "4291647", "author": "Jan", "timestamp": "2018-01-05T18:13:34", "content": "Cool… but beware of static electricity build up with those PVC pipes…(as discussed earlier:https://hackaday.com/2017/12/11/the-internet-of-blast-gates/)", "parent_id": null, "depth": 1, "replies":...
1,760,374,535.76877
https://hackaday.com/2018/01/05/finding-your-motorbike-using-wi-fi/
Finding Your Motorbike Using Wi-Fi
Sean Boyce
[ "Featured", "Interest", "Lifehacks", "Original Art", "Transportation Hacks", "Wireless Hacks" ]
[ "ESP8266", "motorcycle", "NodeMCU", "parking lights", "power saving" ]
https://hackaday.com/wp-…cooter.jpg?w=800
An urban planner once told me that every car requires at least four times as much space as they actually occupy. Each needs a spot on the roads, and three available parking spaces: one at home, one at work, and one to shop. Motorcycles are much smaller, but they still spend most of their time parked. Motorcycles are th...
18
7
[ { "comment_id": "4291580", "author": "electrobob", "timestamp": "2018-01-05T16:18:01", "content": "Cool application. Was discussing this with a friend who needed it for a different application and we were going to use some 433 MHz transmitter and receiver. But this solution works better because you ...
1,760,374,535.700693
https://hackaday.com/2018/01/05/imaging-the-neighborhood-with-solar-panels/
Imaging The Neighborhood With Solar Panels
Tom Nardi
[ "green hacks", "Solar Hacks" ]
[ "data visualization", "Imaging", "panoramic", "solar", "solar power" ]
https://hackaday.com/wp-…g_feat.jpg?w=800
Like many people who have a solar power setup at home, [Jeroen Boeye] was curious to see just how much energy his panels were putting out. But unlike most people, it just so happens that he’s a data scientist with a deep passion for programming and a flair for visualizations. In his latest blog post, [Jeroen] details h...
27
16
[ { "comment_id": "4291460", "author": "dynamodan", "timestamp": "2018-01-05T12:52:26", "content": "This is something for all them solar panel salesmen to consider. Actual vs expected output, no kidding!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4291464", ...
1,760,374,535.976921
https://hackaday.com/2018/01/05/this-boombox-hack-is-lit/
This Boombox Hack Is Lit
Steven Dufresne
[ "Arduino Hacks", "LED Hacks" ]
[ "Arduino Uno", "boom box", "boombox", "ghettoblaster", "led", "led strip" ]
https://hackaday.com/wp-…strips.jpg?w=800
Old boomboxes make great hacks. Their design is iconic; yes they look dated but that really just builds on the nostalgic urge to have one hanging around. Plus their big cases simply invite adding things inside in a way impossible with contemporary electronics. [Danc0rp] hacked his JVC M70 boombox to make the speakers g...
10
5
[ { "comment_id": "4291329", "author": "Martin E", "timestamp": "2018-01-05T09:55:33", "content": "That makes me want to buy an old classic defect boombox, gut it from electronics, install some new high quaility speakers, some electronic (RPI,ESP32 etc?) and fill the rest up with 18650 batteries – Cou...
1,760,374,536.069748
https://hackaday.com/2018/01/04/trs-80-model-100-goes-cellular/
TRS-80 Model 100 Goes Cellular
Al Williams
[ "classic hacks", "Phone Hacks" ]
[ "acoustic modem", "modem", "TRS-80 model 100" ]
https://hackaday.com/wp-…1/m100.png?w=800
There are a few old products that have rabid fan bases, and the TRS-80 Model 100 is one of those. Depending on your point of view it’s either a small laptop or a large organizer, but in 1983 it was the ultimate computer on the go. The $1100 version had a whopping 8K of memory and the LCD screen showed 8 lines of 40 cha...
10
6
[ { "comment_id": "4291217", "author": "Windham Earl", "timestamp": "2018-01-05T06:30:55", "content": "Federal Bureau of Investigation Special Agent Dale Cooper used one. And yes, the owls are not what they seem.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "42...
1,760,374,536.021109
https://hackaday.com/2018/01/04/hack-your-own-computer-science-degree/
Hack Your Own Computer Science Degree
Al Williams
[ "Software Development" ]
[ "computer science", "degree", "education", "university" ]
https://hackaday.com/wp-…2/hadu.png?w=800
We ran across something interesting on GitHub of all places. The “Open Source Society University” has a list of resources to use if you want to teach yourself computer science for free . We found it interesting because there are so many resources available it can be hard to pick and choose. Of course, you can always pi...
38
8
[ { "comment_id": "4291101", "author": "Ostracus", "timestamp": "2018-01-05T03:06:31", "content": "“One of the problems with self-education, is that it is sometimes hard to know what you want to study. If you want to be on par with students graduating from brick and mortar schools, something like this...
1,760,374,536.32117
https://hackaday.com/2018/01/04/the-grooviest-random-number-generator-ever/
The Grooviest Random Number Generator Ever
Al Williams
[ "internet hacks" ]
[ "Cloudflare", "crytography", "lava lamp", "lavarand", "random number generator" ]
https://hackaday.com/wp-…1/lava.png?w=800
Cloudflare is one of those Internet companies you use all the time, but don’t usually know it. Big websites you visit use Cloudflare to shore up their defenses against denial of service attacks. The company needed some truly random numbers for its security solutions, so it turned to some groovy old tech: lava lamps. In...
28
11
[ { "comment_id": "4290970", "author": "Ostracus", "timestamp": "2018-01-05T00:09:35", "content": "What about bubbles through water?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4290980", "author": "Nope", "timestamp": "2018-01-05T00:22:43", ...
1,760,374,536.538977
https://hackaday.com/2018/01/03/vectrex-finally-in-color/
Vectrex, Finally In Color
Lewin Day
[ "classic hacks" ]
[ "color", "colour", "vector", "vectrex" ]
https://hackaday.com/wp-…in4506.png?w=800
The Vectrex is everybody’s favourite vector-based console from the early 1980s. Vector graphics really didn’t catch on in the videogame market, but the Vectrex has, nonetheless held on to a diehard contingent of fans that continue to tinker with the platform to this day. [Arcade Jason] just so happens to be leading the...
18
4
[ { "comment_id": "4289849", "author": "Als", "timestamp": "2018-01-04T06:12:33", "content": "Does anti-seizure medications come with the games.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4289857", "author": "Lewin Day", "timestamp": "2018-...
1,760,374,536.594689
https://hackaday.com/2018/01/03/tips-on-building-the-blackice-bbc-micro/
Tips On Building The BlackIce BBC Micro
Al Williams
[ "classic hacks", "FPGA" ]
[ "BBC Micro", "fpga", "retrocomputing" ]
https://hackaday.com/wp-…12/bbc.png?w=800
You can look at pictures and video of the Grand Canyon, Paris, New York City or anywhere else, and yet when you finally see those places with your own eyes it is somehow different. Fielding an old computer like the BBC Micro on an FPGA has been done before. But there’s always something to learn when you do it yourself....
4
2
[ { "comment_id": "4289943", "author": "Andrea Campanella", "timestamp": "2018-01-04T08:12:50", "content": "I tried it , is a very nice implementation, there is a RGB Scart version for PAL people as well.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4289945"...
1,760,374,536.417843
https://hackaday.com/2018/01/03/see-this-slick-rc-strandbeest-zip-around/
See This Slick RC Strandbeest Zip Around
Donald Papp
[ "Robots Hacks" ]
[ "Jansen linkage", "motor driver", "pololu", "rc", "RC transmitter", "robotic", "solidworks", "strandbeest" ]
https://hackaday.com/wp-…dbeest.jpg?w=800
Bevel gears used to mount motors vertically. Theo Jansen’s Strandbeest design is a favorite and for good reason; the gliding gait is mesmerizing and this RC version by [tosjduenfs] is wonderful to behold. Back in 2015 the project first appeared on Thingiverse , and was quietly updated last year with a zip file containi...
8
7
[ { "comment_id": "4288333", "author": "Biomed", "timestamp": "2018-01-04T00:18:55", "content": "Getting kewl! It’s the right size and R/C. Just need to figure out a small arm and gripper to pass out the halloween candy!", "parent_id": null, "depth": 1, "replies": [ { "comme...
1,760,374,536.471557
https://hackaday.com/2018/01/03/celebrate-display-diversity-for-a-circuit-circus-clock/
Celebrate Display Diversity For A Circuit Circus Clock
Dan Maloney
[ "clock hacks" ]
[ "circus", "clock", "driver", "led", "nixie", "numitron", "punk", "vfd" ]
https://hackaday.com/wp-…080946.jpg?w=800
There’s a lot to be said for nice, tidy projects where everything lines up and looks pretty. Seeing straight lines and pleasing proportions speaks to our obsessive-compulsive tendencies, and tends to soothe the mind and calm the spirit. But disorder is not without its charm, and mixing it up a little from time to time,...
12
6
[ { "comment_id": "4287728", "author": "Olsen", "timestamp": "2018-01-03T21:51:37", "content": "Is that the same kind of dot matrix display as used in the COSMAC ELF?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4287835", "author": "GOTHMOG", "timestam...
1,760,374,536.376333
https://hackaday.com/2018/01/03/openbraille-is-an-impressive-diy-embosser/
OpenBraille Is An Impressive DIY Embosser
Kristina Panos
[ "3d Printer hacks", "Arduino Hacks" ]
[ "arduino mega", "braille", "braille printer", "embosser", "RAMPS", "stepper motor" ]
https://hackaday.com/wp-…le-800.png?w=800
In 2024, the Braille system will have been around for 200 years. What better way to mark the occasion than with an open source project devoted to making embossing equipment affordable for the visually impaired? This long overdue cause became the plight of [ccampos7], who couldn’t find a DIY embosser kit and set out to ...
9
6
[ { "comment_id": "4287875", "author": "barry99705", "timestamp": "2018-01-03T22:28:08", "content": "That’s pretty cool. The guy in the video is right, normal braille embossers are loud as hell. I installed one in an elementary school and you could hear it printing pretty much everywhere in the scho...
1,760,374,536.862642
https://hackaday.com/2018/01/03/lunar-new-year-is-coming-shipping-times-may-vary/
Lunar New Year Is Coming, Shipping Times May Vary
Sean Boyce
[ "Hackaday Columns", "Lifehacks" ]
[ "Chinese New Year", "shipping", "sourcing parts" ]
https://hackaday.com/wp-…nterns.jpg?w=800
With one holiday period coming to a close, another looms on the horizon: Lunar New Year. That means three things in my mind: nice weather, a beautiful holiday with great food, and that I had better get all my orders for electronic parts for the next few months out immediately. In fact, I should have done it last month ...
27
8
[ { "comment_id": "4286880", "author": "Ren", "timestamp": "2018-01-03T18:47:41", "content": "I saw you wrote “glorious”,but my mind read “glonus”B^)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4290137", "author": "CR", "timestamp": "2018-01...
1,760,374,536.751993
https://hackaday.com/2018/01/03/friday-hack-chat-the-state-of-kicad/
Friday Hack Chat: The State Of KiCad
Brian Benchoff
[ "Hackaday Columns" ]
[ "eda", "Hack Chat", "KiCAD", "Wayne Stambaugh" ]
https://hackaday.com/wp-…atured.png?w=800
KiCad is twenty-five years old — like most PCB design software — and right now it’s the best Open Source tool to lay out your circuits, plop down a few resistors, and create a PCB from scratch. Over the last few years, a lot of people have been turning to KiCad to design some very impressive boards, something no doubt ...
47
11
[ { "comment_id": "4286772", "author": "Beef", "timestamp": "2018-01-03T17:05:24", "content": "feels like its so much older :p", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4362423", "author": "Savory", "timestamp": "2018-02-14T20:50:34", ...
1,760,374,536.947005
https://hackaday.com/2018/01/03/mine-bitcoin-with-an-esp8266/
Mine Bitcoin With An ESP8266
Jenny List
[ "computer hacks" ]
[ "bitcoin", "bitcoin mining", "bitcoin mining hardware", "ESP8266", "lottery", "mining rig" ]
https://hackaday.com/wp-…atured.jpg?w=800
With all the hype surrounding cryptocurrencies and the current high not quite so high but still pretty eye-watering price of Bitcoin, there are some things which might once have been pure folly that could now be deemed worthy of pursuit. There is an excavation mission being considered to unearth a hard drive containing...
25
14
[ { "comment_id": "4286731", "author": "scott t", "timestamp": "2018-01-03T16:18:53", "content": "what about a beowulf cluster of esp8266s…..", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4286736", "author": "Leithoa", "timestamp": "2018-01-03...
1,760,374,536.809614
https://hackaday.com/2018/01/03/upgrading-a-3d-printer-with-octoprint/
Upgrading A 3D Printer With OctoPrint
Tom Nardi
[ "3d Printer hacks", "Featured", "how-to", "Skills", "Slider" ]
[ "3d printing", "BEC", "Octoprint", "Pi Zero W", "printrbot" ]
https://hackaday.com/wp-…y_feat.jpg?w=800
If you’ve been hanging around 3D printing communities, or reading the various 3D printing posts that have popped up here on Hackaday, you’ve almost certainly heard of OctoPrint . Created and maintained by Gina Häußge, OctoPrint allows you to turn an old computer (or more commonly a small ARM board like the Raspberry Pi...
56
24
[ { "comment_id": "4286666", "author": "Pixel_K", "timestamp": "2018-01-03T15:12:06", "content": "I love my octoprint. I upgraded the original Pi 1 with a Pi 2 to get a snapier web server experience. Added a webcam to the pi and a solid state relay to turn on and off the printer remotely within Octopr...
1,760,374,537.230589
https://hackaday.com/2018/01/03/spite-thrift-and-the-virtues-of-an-affordable-logic-analyzer/
Spite, Thrift, And The Virtues Of An Affordable Logic Analyzer
Dan Maloney
[ "FPGA", "Tool Hacks" ]
[ "cypress", "fpga", "fx3", "GPIF", "logic analyzer", "sdr", "usb 3.0" ]
https://hackaday.com/wp-…021583.png?w=800
[Larry Wall], the father of Perl, lists the three great virtues of all programmers: Laziness, Impatience, and Hubris. After seeing that Saleae jacked up the prices on their popular logic analyzers to ludicrous levels, [CNLohr] added a fourth virtue: Spite. And since his tests with a Cypress FX3 over the last few days m...
44
15
[ { "comment_id": "4286492", "author": "CRImier", "timestamp": "2018-01-03T12:24:36", "content": "Yay for cnlohr! Logic analyzers are great tools, can’t wait for them to become more popular – and more powerful for the same price!", "parent_id": null, "depth": 1, "replies": [] }, { ...
1,760,374,537.043246
https://hackaday.com/2018/01/03/why-sonys-trinitron-tubes-were-the-best/
Why Sony’s Trinitron Tubes Were The Best
Adam Fabio
[ "classic hacks" ]
[ "classic", "crt", "retro", "sony", "Trinitron", "tv" ]
https://hackaday.com/wp-…/sony1.png?w=800
If you’re old enough to remember Cathode Ray Tube (CRT) Televisions, you probably remember that Sony sold the top products. Their Trinitron tubes always made the best TVs and Computer Monitors. [Alec Watson] dives into the history of the Sony Trinitron tube . Sony Color TVs didn’t start with Trinitron — for several yea...
56
18
[ { "comment_id": "4286324", "author": "Pixel_K", "timestamp": "2018-01-03T09:37:48", "content": "“The (Chromatron) tubes worked, but they were expensive and didn’t offer any advantage over common shadow mask tubes.” Pardon ? He explains in length how it was better and brighter (even brighter than Tri...
1,760,374,537.133534
https://hackaday.com/2018/01/02/rescue-an-old-washing-machine-with-modern-controls/
Rescue An Old Washing Machine With Modern Controls
Lewin Day
[ "classic hacks" ]
[ "controller", "ESP12", "pic", "russian", "translated", "washing machine" ]
https://hackaday.com/wp-…in4504.png?w=800
The humble washing machine is an appliance that few of us are truly passionate about. They’re expected to come into our lives and serve faithfully, with a minimum of fuss. In the good old days, it was common for a washing machine to last for well over 20 years, and in doing so ingratiate itself with its masters. Sadly ...
25
11
[ { "comment_id": "4286185", "author": "Jac Goudsmit (@JacGoudsmit)", "timestamp": "2018-01-03T06:29:49", "content": "In Soviet Russia, washing machine replace you!(Sorry, couldn’t resist. Great post!)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4286335", ...
1,760,374,537.415068
https://hackaday.com/2018/01/02/print-a-sacrificial-magnet-square/
Print A Sacrificial Magnet Square
Kristina Panos
[ "how-to", "Tool Hacks" ]
[ "cheap tools", "f'n magnets", "neodymium", "PLA", "sacrificial tool", "welding", "work holder" ]
https://hackaday.com/wp-…et-800.png?w=800
Here’s your quick and dirty hack for the day. Sometimes you just need something that will work for what you’re trying to do, and you don’t want to go through the motions of doing what’s prescribed. When this happens, it’s a cheap, disposable tool that fits the bill. No, we’re not talking about Harbor Freight—we mean th...
15
7
[ { "comment_id": "4285665", "author": "Murdock", "timestamp": "2018-01-03T03:36:45", "content": "You could probably tack and square all of those joints without a magnet faster than you can design and print a plastic square (not including print time that requires no operator input)", "parent_id": ...
1,760,374,537.559073
https://hackaday.com/2018/01/02/remember-when-scratch-built-robots-were-hard/
Remember When Scratch-Built Robots Were Hard?
Mike Szczys
[ "3d Printer hacks", "Robots Hacks" ]
[ "Feather", "huzzah", "robot", "rover" ]
https://hackaday.com/wp-…-rover.jpg?w=800
Even simple robots used to require quite a bit of effort to pull together. This example shows how far we’ve come with the tools and techniques that make things move and interact. It’s a 3D printed rover controlled by the touchscreen on your phone . This achieves the most basic building block of wheeled robotics, and th...
10
4
[ { "comment_id": "4285077", "author": "allObjects", "timestamp": "2018-01-03T00:42:43", "content": "Nice! Great inspiration for a version with cheapo steppers…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4285114", "author": "Stu", "timestamp": "2018-...
1,760,374,537.464957
https://hackaday.com/2018/01/02/sid-organ-pulls-out-all-the-stops/
SID Organ Pulls Out All The Stops
Kristina Panos
[ "Arduino Hacks", "Musical Hacks" ]
[ "arduino mega", "oled display", "organ", "reed organ", "sid chip", "synth" ]
https://hackaday.com/wp-…-organ.jpg?w=800
Someone left this organ out in the rain, but [Tinkartank] rescued it and has given it a new life as a SID controller . What’s a SID, you ask? That’s the sound chip Commodore used in the C64, a remarkable chip revered among retro gamers that was way ahead of its time. He threw out everything but the keyboard assembly fo...
15
8
[ { "comment_id": "4284235", "author": "Ren", "timestamp": "2018-01-02T21:23:42", "content": "I like how he converted the linear motion of the stops into rotary motion for the pots!“Someone left an organ out in the rain…” apologies to Jimmy Webb", "parent_id": null, "depth": 1, "replies":...
1,760,374,537.513302
https://hackaday.com/2018/01/02/samy-kamkar-reverse-engineering-for-a-secure-future/
Samy Kamkar: Reverse Engineering For A Secure Future
Dan Maloney
[ "cons", "Security Hacks", "Wireless Hacks" ]
[ "2017 Hackaday Superconference", "attack", "car", "cybersecurity", "exploit", "key fob", "man-in-the-middle", "mitm", "NFC", "remote", "rfid", "vehicle", "wirless" ]
https://hackaday.com/wp-…083925.png?w=800
Show of hands: how many of you have parked your car in the driveway, walked up to your house, and pressed your car’s key fob button thinking it would open the front door? We’ve probably all done it and felt a little dopey as a result, but when you think about it, it would be tremendously convenient, especially with gro...
15
8
[ { "comment_id": "4284160", "author": "Redhatter (VK4MSL)", "timestamp": "2018-01-02T20:06:16", "content": "Show of hands: how many of you have parked your car in the driveway, walked up to your house, and pressed your car’s key fob button thinking it would open the front door?Not me… my bicycle uses...
1,760,374,537.738907
https://hackaday.com/2018/01/02/44-layers-of-katharine-burr-blodgett/
44 Layers Of Katharine Burr Blodgett
Kristina Panos
[ "Biography", "chemistry hacks", "Hackaday Columns", "History", "Tool Hacks" ]
[ "barium stearate", "general electric", "Irving Langmuir", "Katharine Burr Blodgett", "L-B trough", "LB trough", "lens", "soda lime glass", "stepgauge", "surface chemistry", "transparent glass" ]
https://hackaday.com/wp-…odgett.jpg?w=800
Whether you realize it or not, Katharine Burr Blodgett has made your life better. If you’ve ever looked through a viewfinder, a telescope, or the windshield of a car, you’ve been face to face with her greatest achievement, non-reflective glass. Katharine was a surface chemist for General Electric and a visionary engine...
22
8
[ { "comment_id": "4284049", "author": "0xfred", "timestamp": "2018-01-02T18:24:12", "content": "So what’s the wavelength of white light then?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4284084", "author": "Andrew Sowa", "timestamp": "2018-...
1,760,374,537.891185
https://hackaday.com/2018/01/02/led-fabrication-from-wafer-to-light/
LED Fabrication From Wafer To Light
Dan Maloney
[ "LED Hacks" ]
[ "deposition", "epitaxial", "etching", "fab", "GaN", "InGaN", "led", "photolithography", "semiconductor" ]
https://hackaday.com/wp-…402316.jpg?w=800
Building a circuit to blink an LED is the hardware world’s version of the venerable “Hello, world!” program — it teaches you the basics in a friendly, approachable way. And the blinky light project remains a valuable teaching tool right up through the hardware wizard level, provided you build your own LEDs first. For [...
19
7
[ { "comment_id": "4283904", "author": "Mark", "timestamp": "2018-01-02T16:53:30", "content": "Back in the day (’70’s) in high school I got some Bell Labs science kits that allowed you to build your own solar cells- nasty chemicals and all…", "parent_id": null, "depth": 1, "replies": [] ...
1,760,374,537.617795
https://hackaday.com/2018/01/02/when-a-skimmer-isnt-a-skimmer/
When A Skimmer Isn’t A Skimmer
Tom Nardi
[ "3d Printer hacks", "Featured", "hardware", "Interest", "Security Hacks", "Slider" ]
[ "3d printed", "atm", "openscad", "skimmer" ]
https://hackaday.com/wp-…r_feat.jpg?w=800
I have a confession to make: ever since the first time I read about them online , I’ve been desperate to find an ATM skimmer in the wild. It’s the same kind of morbid curiosity that keeps us from turning away from a car accident, you don’t want to be witness to anyone getting hurt, but there’s still that desire to see ...
163
37
[ { "comment_id": "4283790", "author": "Dax", "timestamp": "2018-01-02T15:10:08", "content": "Did you consider that you might have been had?The same people who install the skimmer can also change the sticker where the company number is, and pretend to be offical representatives.", "parent_id": nul...
1,760,374,540.362094
https://hackaday.com/2018/01/02/60s-comedy-rescued-from-nigerian-basement/
60’s Comedy Rescued From Nigerian Basement
Rich Hawkes
[ "Misc Hacks", "Repair Hacks" ]
[ "16mm film", "bbc", "black and white film", "film restoration", "film scanning", "x-ray microtomography" ]
https://hackaday.com/wp-…eature.png?w=800
In the sixties, videotape used to film television programs was expensive. When a program had been shown as many times as the contract required the tape was wiped and reused, unless someone requested it be saved for some reason. At least, this was the BBC’s doctrine. Many episodes of the BBC’s programs have gone missing...
27
11
[ { "comment_id": "4283645", "author": "Michael", "timestamp": "2018-01-02T12:17:03", "content": "eeeh?part 3:http://www.bbc.co.uk/rd/blog/2017-12-morecambe-wise-film-recovery-processing-algorithm", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4283657", "aut...
1,760,374,539.880794
https://hackaday.com/2018/01/02/34c3-at-last-normal-people/
Great People And Culture At 34th Chaos Communication Congress
Elliot Williams
[ "cons", "Hackaday Columns", "Slider" ]
[ "34C3", "chaos communication congress", "meetup", "Recap" ]
https://hackaday.com/wp-…2/34c3.jpg?w=800
If you’ve been to a Chaos Communication Congress, you know the feeling — the strange realization after it’s all over that you’re back in the “real world”. It’s somehow alienating and unfriendly in comparison to being surrounded by computer freaks, artists, hackers, activists, coders, and other like-minded individuals o...
18
10
[ { "comment_id": "4283556", "author": "bleeptrack", "timestamp": "2018-01-02T10:19:04", "content": "Thanks for the nice writeup. I’m very impressed you found my “hacker pillow” with Jolly Wrencher on it. I printed it half a year ago, after sitting on a hard wooden bench for four days at a smaller hac...
1,760,374,540.133936
https://hackaday.com/2018/01/01/electronics-workbench-goes-vertical-with-pegboard-mounting/
Electronics Workbench Goes Vertical With Pegboard Mounting
Donald Papp
[ "how-to", "Misc Hacks" ]
[ "3d printed", "3d printing", "microcontrollers", "organization", "pegboard", "prototyping", "storage" ]
https://hackaday.com/wp-…atured.jpg?w=800
[JesusGomez] has certainly put work into his Vertical Laboratory concept. There’s a bit more to the idea than simply using 3D printed parts to move electronics from the desktop onto a metal pegboard, although that part is certainly nicely done. There are 3D models for securely mounting various hardware such as Raspberr...
8
7
[ { "comment_id": "4283358", "author": "Bunsen", "timestamp": "2018-01-02T07:15:39", "content": "I’ve just been doing this with thumbtacks on a cork bulletin board. The pegboard version looks like it would last longer when the cat decides to play with it, though.", "parent_id": null, "depth":...
1,760,374,539.806966
https://hackaday.com/2018/01/01/eat-some-pringles-feed-the-cat/
Eat Some Pringles, Feed The Cat
Dan Maloney
[ "home hacks" ]
[ "beaglebone black", "cat", "cat feeder", "feeder", "pets", "pringles", "pwm", "servo" ]
https://hackaday.com/wp-…881599.png?w=800
You know the saying: “Dogs have people, cats have servants.” This is especially true when your feline overlord loses track of time and insists on being fed at oh-dark-thirty. You’re tempted to stay in bed feigning death, but that’s a tall order with the cat sitting on your chest and staring into your soul. An automatic...
15
5
[ { "comment_id": "4283245", "author": "Nikolai", "timestamp": "2018-01-02T03:29:13", "content": "I like the cubical cat house. But the hole looks small for the cat.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4283256", "author": "scott t", ...
1,760,374,539.734929
https://hackaday.com/2018/01/01/custom-pcb-revives-a-vintage-tree-stand/
Custom PCB Revives A Vintage Tree Stand
Tom Nardi
[ "classic hacks", "Holiday Hacks", "Repair Hacks" ]
[ "christmas tree", "inkscape", "PCB etching", "repair" ]
https://hackaday.com/wp-…x_feat.jpg?w=800
After 56 years, [Jeff Cotten]’s rotating Christmas tree stand had decided enough was enough. While its sturdy cast aluminum frame was ready for another half-century of merriment, the internal mechanism that sent power up through the rotating base had failed and started tripping the circuit breaker. The problem itself s...
5
4
[ { "comment_id": "4283136", "author": "BillSF9c", "timestamp": "2018-01-02T01:09:24", "content": "Especially ought to last if you use those AWWWful LED lights. Good save, though. I am amazed that in 56 years, noone noticed how perpetually unstylish rotating trees, are. I saw a silver one yesterday in...
1,760,374,539.570429
https://hackaday.com/2018/01/01/34c3-roll-your-own-network-driver-in-four-simple-steps/
34C3: Roll Your Own Network Driver In Four Simple Steps
Christian Trapp
[ "cons", "Network Hacks" ]
[ "34C3", "chaos communications congress", "dma", "drivers", "network", "nic" ]
https://hackaday.com/wp-…590608.png?w=800
Writing your own drivers is a special discipline. Drivers on the one hand work closely with external hardware and at the same time are deeply ingrained into the operating system. That’s two kinds of specialization in one problem. In recent years a lot of dedicated networking hardware is being replaced by software. [Pau...
7
1
[ { "comment_id": "4282939", "author": "IraqiGeek", "timestamp": "2018-01-01T22:46:17", "content": "Link to youtube video:https://www.youtube.com/watch?v=IKd4qTzkGfk", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4283305", "author": "feuerrot", ...
1,760,374,540.051489
https://hackaday.com/2018/01/01/how-the-hero-droid-bb-8-rolls/
How The Hero Droid BB-8 Rolls
Roger Cheng
[ "Robots Hacks", "Teardown", "Toy Hacks" ]
[ "ball bot", "BB-8", "bb8 droid", "droid", "ir receiver", "ir toy", "IR transmitter", "radio control", "star wars", "star wars droids", "voice controlled" ]
https://hackaday.com/wp-…8-16x9.jpg?w=800
By now we’ve come to expect a bountiful harvest of licensed merchandise to follow every Star Wars film. This year’s crop included many flavors of BB-8 so every fan can find something to suit their taste. At the top of this food chain is a mobile interactive “Hero Droid BB-8”. For those who want to see how it works, [Th...
10
7
[ { "comment_id": "4282907", "author": "Kenny_Z", "timestamp": "2018-01-01T22:17:12", "content": "I find thathttp://bb8builders.club/is a great place for BB series droid information.That looks a lot like the more popular style of drive systems that are used in the 1:1 replicas.", "parent_id": null...
1,760,374,540.492616
https://hackaday.com/2018/01/01/much-assembly-required-game-your-way-to-assembly-guru-status/
Much Assembly Required: Game Your Way To Assembly Guru Status
Al Williams
[ "Software Hacks" ]
[ "assembly", "game", "robot" ]
https://hackaday.com/wp-…12/bot.png?w=800
It can be hard these days to find an excuse to create something for learning purposes. Want a microcontroller board? Why make one when you can buy an Arduino or a Blue Pill for nearly nothing? Want to control a 3D printer? Why write the code when you can just download something that works well like Marlin or Repetier? ...
18
9
[ { "comment_id": "4282609", "author": "jopseg", "timestamp": "2018-01-01T18:29:06", "content": ">implying this won’t be botted", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4282670", "author": "Ostracus", "timestamp": "2018-01-01T19:28:19", "conten...
1,760,374,539.936883
https://hackaday.com/2018/01/01/34c3-microphone-bugs/
34C3: Microphone Bugs
Sven Gregori
[ "cons", "Radio Hacks" ]
[ "34C3", "fm radio", "microphone", "rf transmitter", "spy", "spy gear", "surveillance" ]
https://hackaday.com/wp-…atured.jpg?w=800
Inspiration can come from many places. When [Veronica Valeros] and [Sebastian Garcia] from the MatesLab Hackerspace in Argentina learned that it took [Ai Weiwei] four years to discover his home had been bugged, they decided to have a closer look into some standard audio surveillance devices. Feeling there’s a shortage ...
32
17
[ { "comment_id": "4282530", "author": "Gravis", "timestamp": "2018-01-01T17:19:06", "content": "I think the real lesson here is that modern spying is done best when you use existing hardware and modify the controlling software. :)", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,374,540.010078
https://hackaday.com/2017/12/31/one-string-one-print-one-harp/
One String, One Print, One Harp
James Hobson
[ "3d Printer hacks", "Musical Hacks" ]
[ "bearing", "guitar", "harp", "instrument", "string", "tune" ]
https://hackaday.com/wp-…p-main.jpg?w=800
To exclude musical instruments in the overflowing library of possibility that 3D printing enables would be a disservice to makers and musicians everywhere. For the minds over at [Makefast Workshop], an experimental idea took shape: a single stringed harp . The TuneFast Harp needed enough notes for a full octave, robust...
9
4
[ { "comment_id": "4281574", "author": "Dan", "timestamp": "2017-12-31T20:06:30", "content": "So I love 3D printing as much as the next guy..but when it’s just a block with some holes popped through it, is 3D printing really the appropriate construction method? Could this have just been a block cut fr...
1,760,374,540.41835
https://hackaday.com/2017/12/31/old-logic-analyzer-becomes-new-pc-case/
Old Logic Analyzer Becomes New PC Case
Dan Maloney
[ "classic hacks", "computer hacks" ]
[ "Case mod", "H-P", "logic analyzer" ]
https://hackaday.com/wp-…847730.jpg?w=800
There are a lot of cool ways to wrap a case around your custom PC build. But the off-the-shelf stuff doesn’t really set your machine apart from the herd, no matter how many RGB LEDs you put inside. If you really want to stand out, think out of the box, and build your PC into the case of an old logic analyzer . Looking ...
26
13
[ { "comment_id": "4281385", "author": "Ostracus", "timestamp": "2017-12-31T15:06:22", "content": "Retro when you remember old luggable computers.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4281397", "author": "Bob", "timestamp": "2017-12-3...
1,760,374,540.621211
https://hackaday.com/2017/12/31/find-your-way-with-tiny-laser-beams/
Find Your Way With Tiny Laser Beams
Kristina Panos
[ "Microcontrollers", "Wearable Hacks" ]
[ "assistive technolgy", "friggin lasers", "haptic", "haptic feedback", "spatial", "time of flight", "vibration motor", "wayfinding" ]
https://hackaday.com/wp-…ce-800.png?w=800
For their final project in embedded microcontroller class, [Aaheli, Jun, and Naomi] turned their focus toward assistive technology and created an Electronic Travel Aid (ETA) for the visually impaired that uses haptic feedback to report the presence of obstacles. We have seen a few of these types of devices in the past,...
10
3
[ { "comment_id": "4281312", "author": "Dan", "timestamp": "2017-12-31T12:55:37", "content": "I get the whole desire to develop assistive technology, but is this something that anyone really NEEDS?It’s already a relatively tiny minority that are totally blind, and most of them (especially if they’ve b...
1,760,374,540.545258
https://hackaday.com/2017/12/31/wireless-charger-truck-mod-keeps-juice-flowing-on-the-move/
Wireless Charger Truck Mod Keeps Juice Flowing On The Move
James Hobson
[ "Wireless Hacks" ]
[ "modification", "toyota", "truck", "wireless charging" ]
https://hackaday.com/wp-…-imgur.gif?w=728
Wireless charging is great tech, but its relative novelty means it may not be everywhere you want it. When one of those places is your vehicle, well, you make like [Braxen McConnell] and crack it open to install a wireless charger ! After dismantling the centre console, [McConnell] had to make a few cuts behind the sce...
22
11
[ { "comment_id": "4280992", "author": "Jan", "timestamp": "2017-12-31T09:16:25", "content": "“Wireless charging is great tech” sorry but I think you mean a “cool” trick. As the technology reduces the efficiency of the charging, it leaks RF in close close proximity of the charging area and you can’t u...
1,760,374,540.903497
https://hackaday.com/2017/12/30/34c3-north-koreas-consumer-technology/
34C3: North Korea’s Consumer Technology
Adam Fabio
[ "cons", "Phone Hacks", "Slider" ]
[ "34C3", "chaos communications congress", "consumer electronics", "DPRK", "North Korea", "smartphone" ]
https://hackaday.com/wp-…a-hack.png?w=800
[Will Scott] and [Gabe Edwards] shed some light on the current state of consumer computing technology at 34C3 in their talk DPRK Consumer Technology . The pair has also created a website to act as a clearinghouse for this information — including smartphone OS images up at koreaComputerCenter.org . Not a whole lot is kn...
19
5
[ { "comment_id": "4280915", "author": "David", "timestamp": "2017-12-31T06:24:06", "content": "“To buy an app, a user goes to a physical store and picks from a catalog. The store owner then downloads the app to the customer’s phone via a cable.”This tells us all we need to know about them strangle th...
1,760,374,540.816876
https://hackaday.com/2017/12/30/a-clear-christmas-tree-means-more-lights/
A Clear Christmas Tree Means More Lights!
James Hobson
[ "Arduino Hacks", "Holiday Hacks" ]
[ "acrylic", "christmas", "led", "rgb", "tree", "uno" ]
https://hackaday.com/wp-…atured.gif?w=605
For all the hustle and bustle of the holiday season, people still find ways to make time for their passions. In the lead up to Christmas, [Edwin Mol] and a few co-workers built themselves an LED Christmas tree that adds a maker’s touch to any festive decor. Before going too far, they cut out a cardboard mock-up of the ...
2
1
[ { "comment_id": "4281302", "author": "Dan", "timestamp": "2017-12-31T12:49:29", "content": "Nice little build, though to be honest I’m not sure that I’d have actually recognized it as a “Christmas tree” unless it was explained. It looks more like some kind of sci-fi thing, or maybe more crudely, an ...
1,760,374,540.967027
https://hackaday.com/2017/12/30/laptop-with-raspberry-pi-inside-learns-to-speak-battery/
Laptop With Raspberry Pi Inside Learns To Speak Battery
Mike Szczys
[ "laptops hacks", "Raspberry Pi", "Slider" ]
[ "laptop", "raspberry pi laptop", "sony vaio" ]
https://hackaday.com/wp-…p-rear.jpg?w=595
Early in November we took a look at a one of the best Raspberry Pi laptops we had ever seen, using the shell of a Sony VAIO. Laptops used to be hulking beasts, and that played into [Frank Adams’] hands as he got rid of the motherboard and had enough space to replace it with a Raspberry Pi and a few other support boards...
6
4
[ { "comment_id": "4280223", "author": "Vinalon", "timestamp": "2017-12-31T00:19:47", "content": ">But the when trying to use the Pi’s I2C [Frank] couldn’t figure out to send a repeated start command.Blegh. Peripherals. You’d think something like the Raspberry Pi would have this sort of thing worked o...
1,760,374,541.020243
https://hackaday.com/2018/01/01/how-hackerspaces-spend-money/
How Hackerspaces Spend Money
Adam Fabio
[ "Hackerspaces", "News" ]
[ "budget", "membership", "milwaukee makerspace", "money" ]
https://hackaday.com/wp-…ollars.jpg?w=800
Running a hackerspace is no easy task. One of the biggest issues is money — how to collect in dues and donations, managing it, and how to spend it. Everyone has different interests and would like to see the budget go to their favorite project or resource. Milwaukee Makerspace has come up with a novel way to handle this...
13
6
[ { "comment_id": "4282441", "author": "David", "timestamp": "2018-01-01T15:26:15", "content": "Seems like a great idea. Unfortunately, I don’t have an active hackerspace here in Rhode Island. I never was highly involved with the Space back in PGH, but they managed to last a few years.", "parent_i...
1,760,374,541.071135
https://hackaday.com/2018/01/01/flowing-light-art-inspired-by-plankton/
Flowing Light Art Inspired By Plankton
James Hobson
[ "Misc Hacks" ]
[ "art", "flow", "mirror", "Starry Night", "turbulent", "vortex" ]
https://hackaday.com/wp-…x5402x.jpg?w=800
With today’s technology, art can be taken in directions that have never before been possible. Taking advantage of this, [teamlab] — an art collective from Japan — have unveiled an art installation that integrates the attendee into the spectacle. In the dark room of the piece ‘ Moving Creates Vortices and Vortices Creat...
9
4
[ { "comment_id": "4282294", "author": "chabon", "timestamp": "2018-01-01T12:39:26", "content": "Nice, but without ANY tech info, this should not be in HaD.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4282418", "author": "Ostracus", "timesta...
1,760,374,541.117279
https://hackaday.com/2018/01/01/why-is-donald-duck-on-the-radio-math-behind-single-sideband-explained/
Why Is Donald Duck On The Radio? Math Behind Single Sideband Explained
Al Williams
[ "Radio Hacks" ]
[ "am", "amplitude modulation", "modulation" ]
https://hackaday.com/wp-…/12/am.png?w=800
AM, or amplitude modulation, was the earliest way of sending voice over radio waves. That makes sense because it is easy to modulate a signal and easy to demodulate it, as well. A carbon microphone is sufficient to crudely modulate an AM signal and diode — even a piece of natural crystal — will suffice to demodulate it...
20
6
[ { "comment_id": "4282219", "author": "describe", "timestamp": "2018-01-01T09:56:58", "content": "FHSS is way better than AM.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4282631", "author": "ph13blog", "timestamp": "2018-01-01T18:55:26", ...
1,760,374,541.172167
https://hackaday.com/2017/12/31/toy-r-c-car-upgrade-to-hobby-grade-parts/
Toy R/C Car Upgrade To Hobby Grade Parts
Adam Fabio
[ "classic hacks" ]
[]
https://hackaday.com/wp-…rccar1.png?w=800
[HobbyPartz] wanted his toy grade Radio Controlled (R/C) to drive a bit more like the real thing, so he upgraded it to hobby grade electronics . If you didn’t know, there’s a pecking order in the R/C world. There are the toy grade cars which you can find at your local big box store, and the hobby grade cars, which grac...
13
10
[ { "comment_id": "4282139", "author": "Alan Hightower", "timestamp": "2018-01-01T06:43:34", "content": "Must have been a really slow new years at HaD…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4282168", "author": "geocrasher", "timestamp"...
1,760,374,541.317576
https://hackaday.com/2017/12/31/an-iot-christmas-tree-for-your-hacker-mas-celebrations/
An IoT Christmas Tree For Your Hacker-Mas Celebrations
James Hobson
[ "Holiday Hacks", "Raspberry Pi" ]
[ "alexa", "christmas", "ESP8266", "IoT", "mqtt", "neopixel", "NodeMCU", "tree" ]
https://hackaday.com/wp-…s-tree.jpg?w=791
Smart Christmas trees may soon come to mean something more than a fashionably decorated tree. Forging ahead with this new definition, [Ayan Pahwa], with help from [Akshay Kumar], [Anshul Katta], and [Abhishek Maurya] turned their office’s Christmas Tree into an IoT device you can watch live! As an IoT device, the tree ...
0
0
[]
1,760,374,541.214547
https://hackaday.com/2017/12/31/have-your-own-200-water-street-digital-clock/
Have Your Own 200 Water Street Digital Clock
Jenny List
[ "clock hacks", "News" ]
[ "clock", "DotStar", "water street clock" ]
https://hackaday.com/wp-…atured.jpg?w=800
On the front of a building in New York City, above a branch of the ubiquitous Starbucks coffee chain, there is a clock. It is no ordinary clock, the 200 Water Street clock is an art installation created by the artist [Rudolph de Harak], and consists of 72 lighted numbers which are illuminated in sequence to show hours,...
11
5
[ { "comment_id": "4281702", "author": "Yarr", "timestamp": "2018-01-01T00:04:43", "content": "The lack of holes in the 0, 4, 6, 8 and 9 digits looks really, really ugly…", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4281757", "author": "Clara", ...
1,760,374,541.268729
https://hackaday.com/2017/12/31/making-a-classic-chip-from-discretes/
Making A Classic Chip From Discretes
Jenny List
[ "classic hacks" ]
[ "mc1466", "regulator", "reverse engineering" ]
https://hackaday.com/wp-…atured.jpg?w=800
A hackspace discussion of voltage regulators within our earshot touched on the famous μA723, then moved on to its competitors. Kits-of-parts for linear regulators were ten-a-penny in the 1970s, it seems. A rambling tale ensued, involving a Lambda power supply with a blown-up chip, and ended up with a Google search for ...
11
6
[ { "comment_id": "4281677", "author": "[skaarj]", "timestamp": "2017-12-31T23:04:16", "content": "Straight from the Oilfield in the middle of Sahara I replicated some 741 opamps using subminiature tubes from the Soviet Union in order to build a canbus transveiver for an arduino to talk to a diesel en...
1,760,374,541.622733
https://hackaday.com/2017/12/30/34c3-using-your-car-as-video-game-controller/
34C3: Using Your Car As Video Game Controller
Christian Trapp
[ "car hacks", "cons" ]
[ "34C3", "car hacking", "ccc", "game controller", "OBDII", "reverse engineering", "teardown" ]
https://hackaday.com/wp-…atured.jpg?w=800
Despite the presence of human drivers, modern cars are controlled by computers. In his talk at the Chaos Communication Congress [Guillaume Heilles] and [P1kachu] demonstrate the potential of taking control of a car’s computer . This of course leads to the natural conclusion of emulate an Xbox controller and using the c...
6
4
[ { "comment_id": "4279966", "author": "Redhatter (VK4MSL)", "timestamp": "2017-12-30T21:30:36", "content": "https://hackaday.com/2017/12/22/turn-a-car-into-a-game-controller/Sounds familiar.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4279978", "author":...
1,760,374,541.673194
https://hackaday.com/2017/12/30/beefbot-your-robotic-grill-master/
BeefBot: Your Robotic Grill Master
James Hobson
[ "cooking hacks", "Robots Hacks" ]
[ "Beef", "chef", "cook", "Cronell", "grill", "Steak" ]
https://hackaday.com/wp-…2/hero.jpg?w=800
Have you ever been too busy to attend to the proper cooking of a steak? Well, lament no more, and warn your cardiologist. A trio of students from Cornell University have designed and built the steak-grilling BeefBot to make your delicious dinner dreams a reality. [Jonah Mittler], [Kelsey Nedd], and [Martin Herrera] — e...
6
6
[ { "comment_id": "4279839", "author": "akldsjfk@lkajdslfjkaks.com", "timestamp": "2017-12-30T19:21:52", "content": "TFW you didn’t work on your end of term project until the last moment AND skipped lunch that day. Why not just attach an arm to the lid so you can close it on top of the steak? Kind of ...
1,760,374,541.713473
https://hackaday.com/2017/12/30/electromagnet-powered-pendulum/
Electromagnet-Powered Pendulum
James Hobson
[ "classic hacks" ]
[ "analog", "circuit", "electromagnet", "hall sensor", "magnet", "neodymium", "pendulum" ]
https://hackaday.com/wp-…-imgur.gif?w=728
We’re always happy to see hackers inspired to try something different by what they see on Hackaday. To [SimpleTronic] has a project that will let you stretch your analog electronics skills in a really fun way. It’s an electromagnet pendulum analog circuit . Whether you’re building it, or just studying the schematics, t...
44
14
[ { "comment_id": "4279639", "author": "skn", "timestamp": "2017-12-30T15:50:26", "content": "I think there’s room for reducing the component count here. One of the spare gates could be biased into linear operation and the input(s) AC coupled to the hall sensor. Use the remaining gate to square it up ...
1,760,374,541.960758
https://hackaday.com/2017/12/30/espple-a-wireless-apple-1-on-an-esp8266/
Espple: A Wireless Apple 1 On An ESP8266
Dan Maloney
[ "classic hacks", "computer hacks" ]
[ "6502", "Apple 1", "emulator", "ESP8266", "pal", "Steve Wozniak", "telnet", "wireless" ]
https://hackaday.com/wp-…espple.jpg?w=800
The Apple 1 was one of the three big hobbyist computers that burst onto the scene in 1977. Unlike the PET 2001 and the TRS-80, only a couple hundred Apple 1s were ever produced, and with only a handful in existence today, you’ll have to fork out some serious money to get a Wozniak original for yourself. The Apple 1 exp...
23
13
[ { "comment_id": "4279429", "author": "Remon", "timestamp": "2017-12-30T12:57:26", "content": "Whoh! this is so cool! Especially the transmitting 60-MHz PAL.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4279437", "author": "piero", "timestamp": "2017-...
1,760,374,541.780016
https://hackaday.com/2017/12/30/fresh-baked-plastic-tiles-for-all/
Fresh-Baked Plastic Tiles For All!
James Hobson
[ "green hacks", "home hacks", "how-to" ]
[ "green", "hdpe", "instructable", "plastic", "recycle", "TILE" ]
https://hackaday.com/wp-…c-tile.jpg?w=800
Recycling aims to better the planet, but — taken into the hands of the individual — it can be a boon for one’s home by trading trash for building materials. [fokkejongerden], a student at the [Delft University of Technology] in the Netherlands, proposes one solution for all the plastic that passes through one’s dwellin...
46
18
[ { "comment_id": "4279269", "author": "Lars R.", "timestamp": "2017-12-30T09:25:32", "content": "How can this be a good thing for the ground water?DIY landfill 4.0 everywhere?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4279331", "author": "steelma...
1,760,374,541.881293
https://hackaday.com/2017/12/29/34c3-hacking-the-nintendo-switch/
34C3: Hacking The Nintendo Switch
Tom Nardi
[ "cons", "Nintendo Hacks", "Security Hacks", "Slider" ]
[ "34C3", "emmc", "exploit", "Nintendo Switch", "webkit" ]
https://hackaday.com/wp-…atured.jpg?w=800
There’s a natural order to the world of game console hacking: every time a manufacturer releases a new game console they work in security measures that prevent the end user from running anything but commercially released games, and in turn every hacker worth his or her salt tries to break through. The end goal, despite...
37
11
[ { "comment_id": "4279299", "author": "MK 2", "timestamp": "2017-12-30T10:11:23", "content": "“The end goal, [edit] is not to run bootleg games,”Yeah sure…As noted before Hackaday is either incredibly naive or just willfully blind when it comes to software piracy.", "parent_id": null, "depth"...
1,760,374,542.134007
https://hackaday.com/2017/12/29/arduino-trivia-box-is-a-gift-unto-itself/
Arduino Trivia Box Is A Gift Unto Itself
Tom Nardi
[ "Arduino Hacks", "Holiday Hacks" ]
[ "arduino", "ESP8266", "gift box", "magic smoke", "secret santa", "trivia" ]
https://hackaday.com/wp-…x_feat.jpg?w=800
There’s something about impressing strangers on the Internet that brings out the best in us. Honestly, we wouldn’t be able to run this site otherwise. A perfect example of this phenomenon is the annual Reddit Secret Santa, where users are challenged to come up with thoughtful gifts for somebody they’ve never even met b...
3
3
[ { "comment_id": "4279478", "author": "Ragnar", "timestamp": "2017-12-30T13:34:56", "content": "What a nice idea! I will steal it in future, tho, for personal gifts.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4280131", "author": "Jenn", "timestamp":...
1,760,374,542.182317
https://hackaday.com/2017/12/29/34c3-fitbit-sniffing-and-firmware-hacking/
34C3: Fitbit Sniffing And Firmware Hacking
Brian McEvoy
[ "cons", "Security Hacks", "Wearable Hacks" ]
[ "34C3", "8909", "bluetooth", "ccc", "fitbit", "fitness", "reverse engineering", "security", "sniffing", "talk", "wearable" ]
https://hackaday.com/wp-…atured.jpg?w=800
If you walked into a gym and asked to sniff exercise equipment you would get some mighty strange looks. If you tell hackers you’ve sniffed a Fitbit, you might be asked to give a presentation. [Jiska] and [DanielAW] were not only able to sniff Bluetooth data from a run-of-the-mill Fitbit fitness tracker, they were also ...
19
7
[ { "comment_id": "4278987", "author": "Ostracus", "timestamp": "2017-12-30T02:23:24", "content": "“If you walked into a gym and asked to sniff exercise equipment you would get some mighty strange looks.”Just tell them you’re from the EPA.", "parent_id": null, "depth": 1, "replies": [ ...
1,760,374,542.24125
https://hackaday.com/2017/12/29/seven-segment-flip-clock-display-finally-finished/
Seven-Segment Flip Clock Display Finally Finished
Rich Hawkes
[ "clock hacks" ]
[ "7 segment", "ATMega 48", "clock", "cnc", "flip", "FlipClock" ]
https://hackaday.com/wp-…eature.png?w=800
Earlier this year, we mentioned in a Hackaday Links article that [Spencer Hamblin] was in the process of building a seven-segment flip clock. Well, it’s finally finished, and it looks great ! Vintage seven segment digits make up the display. These digits work the same way that flip-dot displays work – current through e...
24
15
[ { "comment_id": "4278731", "author": "Andrew Sowa", "timestamp": "2017-12-29T21:12:34", "content": "This looks amazing", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4279208", "author": "JanW", "timestamp": "2017-12-30T07:57:06", "con...
1,760,374,542.304593
https://hackaday.com/2017/12/29/ken-shirriff-becomes-a-core-memory-repairman-again/
[Ken Shirriff] Becomes A Core Memory Repairman (Again)
Mike Szczys
[ "computer hacks", "Repair Hacks" ]
[ "computer history museum", "core memory", "fuse", "IBM 1401", "ken shirriff", "psu", "repair" ]
https://hackaday.com/wp-…repair.jpg?w=800
Lately, [Ken Shirriff] has been on some of the most incredible hardware adventures. In his most recent undertaking we find [Ken] elbow-deep in the core memory of a 50-year-old machine, the IBM 1401. The computer wasn’t shut down before mains power was cut, and it has refused to boot ever since. The culprit is in the co...
5
4
[ { "comment_id": "4278640", "author": "Dax", "timestamp": "2017-12-29T19:47:27", "content": "MRAM is the new core memoryhttps://en.wikipedia.org/wiki/Magnetoresistive_random-access_memory>”In the simplest “classic” design, each cell lies between a pair of write lines arranged at right angles to each ...
1,760,374,542.351507
https://hackaday.com/2017/12/29/retrotechtacular-1950s-televisions-were-beasts/
Retrotechtacular: 1950s Televisions Were Beasts
Mike Szczys
[ "Retrotechtacular" ]
[ "manufacturing", "RCA", "television", "tv" ]
https://hackaday.com/wp-…acular.jpg?w=800
Television has been around for a long time, but what we point to and call a TV these days is a completely different object from what consumers first fell in love with. This video of RCA factory tours from the 1950s drives home how foreign the old designs are to modern eyes. Right from the start the apparent chaos of th...
34
9
[ { "comment_id": "4278581", "author": "nsayer", "timestamp": "2017-12-29T18:14:18", "content": "I was born into a world at the tail end of the console TV era. We had a giant furniture-TV in our den that was where we watched afternoon cartoons after school and eventually played games on our Odyssey 2....
1,760,374,542.545929
https://hackaday.com/2017/12/29/take-the-coin-cell-challenge-this-weekend/
Take The Coin Cell Challenge This Weekend!
Mike Szczys
[ "contests" ]
[ "2017 Coin Cell Challenge", "coin cell" ]
https://hackaday.com/wp-…incell.jpg?w=800
The year is drawing to a close, and we have a weekend project for you to while away the remaining hours. Take the Coin Cell Challenge ! The point of the challenge is to do something interesting with a coin cell. That’s it! It’s a challenge that can be as simple or as involved as you want. Low power is where it’s at the...
7
4
[ { "comment_id": "4278635", "author": "TacticalNinja", "timestamp": "2017-12-29T19:42:06", "content": "Squeezing juice out from a cell by heating it up. That’s awesome.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4278940", "author": "Paul", "timestam...
1,760,374,542.473829
https://hackaday.com/2017/12/29/dig-into-the-apple-device-design-guide/
Dig Into The Apple Device Design Guide
Roger Cheng
[ "Cellphone Hacks", "iphone hacks" ]
[ "apple", "apple charger", "apple iphone", "case design", "design", "guide", "guides", "iphone dock", "manuals", "phone mount", "QI", "qi charger", "qi hack", "RTFM", "service manual" ]
https://hackaday.com/wp-…p-16x9.jpg?w=800
Millions of people worldwide have just added new Apple gadgets to their lives thanks to the annual end of December consumerism event. Those who are also Hackaday readers are likely devising cool projects incorporating their new toys. This is a good time to remind everybody that Apple publishes information useful for su...
8
5
[ { "comment_id": "4278540", "author": "nraynaud", "timestamp": "2017-12-29T16:36:30", "content": "one thing missing from the documentation for the non flat surfaces are the profiles of the curves, I had some issue with my iPhone5 where they did not give the fillet radius for the corners (I guess they...
1,760,374,542.64241
https://hackaday.com/2017/12/29/3d-printing-without-support-2/
Try This For 3D Printing Without Support
Al Williams
[ "3d Printer hacks", "Featured", "Original Art", "Skills", "Slider" ]
[ "3D printed supports", "glue", "Gluing", "gluing 3d printed parts", "openscad", "support" ]
https://hackaday.com/wp-…erhang.jpg?w=800
Have a look at the object to the right. Using a conventional fused deposition printer, how would you print the object? There’s no flat surface to lay on the bed without generating a lot of overhangs. That usually requires support. In theory, you might be able to print the bottom of the sphere down, but it is difficult ...
46
24
[ { "comment_id": "4278489", "author": "Drexus", "timestamp": "2017-12-29T15:28:02", "content": "Interesting problem. Myself, I would have printed a two-part inverse support model: one as a cube with a round hole in it, and another as a large cylinder with a square hole in it. Each would be used as a ...
1,760,374,542.838128
https://hackaday.com/2017/12/28/barbara-mcclintock-against-the-genetic-grain/
Barbara McClintock: Against The Genetic Grain
Steven Dufresne
[ "Biography", "Hackaday Columns", "History", "Original Art" ]
[ "Nobel", "nobel prize winners", "women in technology" ]
https://hackaday.com/wp-…intock.jpg?w=800
The tale of much of Barbara McClintock’s life is that of the scientist working long hours with a microscope seeking to solve mysteries. The mystery she spent most of her career trying to solve was how all cells in an organism can contain the same DNA, and yet divide to produce cells serving different functions; basical...
8
5
[ { "comment_id": "4277713", "author": "Ostracus", "timestamp": "2017-12-28T18:34:23", "content": "“McClintock valued the freedom to pursue research exactly as she wanted, without interference or outside direction. By 1931 her reputation was so good that she was granted that freedom through a series o...
1,760,374,542.694064
https://hackaday.com/2017/12/28/fingerling-disemboweled-for-your-entertainment/
Fingerling Disemboweled For Your Entertainment
Tom Nardi
[ "Teardown", "Toy Hacks" ]
[ "Fingerling", "industrial design", "teardown", "tilt sensor", "toy" ]
https://hackaday.com/wp-…g_feat.jpg?w=800
Due to the graphic nature of this post, small children and the elderly may want to leave the room. One of the hottest toys this holiday season has been gutted like a fish so that we may better understand the nature of its existence. Or maybe just what kind of sensors and motors the craftsmen over at WowWee managed to c...
21
5
[ { "comment_id": "4277623", "author": "bullestock", "timestamp": "2017-12-28T16:55:24", "content": "I knew that you could charge a capacitor, but I was not aware that you could charge a coil.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4277640", "a...
1,760,374,542.755121
https://hackaday.com/2017/12/28/antenna-alignment-and-hunting-rogue-access-points-with-the-esp8266/
Hunting Rogue Access Points With The ESP8266
Sean Boyce
[ "Featured", "how-to", "Skills", "Wireless Hacks" ]
[ "antenna tuning", "cantenna", "ESP8266", "fox hunt" ]
https://hackaday.com/wp-…00x250.jpg?w=800
Cantennas outperform every consumer-grade Wi-Fi antenna I’ve had the bad luck of purchasing. Cantenna is a mashup of ‘can’ and ‘antenna’ creating the nickname for a directional waveguide antenna built from re-purposed steel cans. For anyone who has yet to build one, it makes an excellent afternoon project. Here are som...
32
11
[ { "comment_id": "4277487", "author": "Gravis", "timestamp": "2017-12-28T15:09:31", "content": "Waiting for the next article: Making Rogue Access Points with the ESP8266. ;)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4277492", "author": "Marcelo",...
1,760,374,542.909505
https://hackaday.com/2017/12/28/fidget-spinner-becomes-a-brushless-motor-remains-useless/
Fidget Spinner Becomes A Brushless Motor; Remains Useless
Al Williams
[ "Toy Hacks" ]
[ "brushless DC motor", "Fidget Spinner", "spinner" ]
https://hackaday.com/wp-…pinner.png?w=800
Your grandmother means well. But by the time she figures out something’s a fad, it is old news. So maybe you got a fidget spinner in your stocking this year. Beats coal. Before you regift it to your niece, you could repurpose it to be a motor . Technically, [B.Aswinth Raj] made a brushless motor, although it isn’t goin...
7
4
[ { "comment_id": "4277287", "author": "prwnd", "timestamp": "2017-12-28T12:10:10", "content": "Easter egg: if you skip into the video on youtube.com, the loading animation will be a fidget soinner, too!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4277435", ...
1,760,374,543.045439
https://hackaday.com/2017/12/28/coasty-the-coaster-toaster/
Coasty The Coaster Toaster
Tom Nardi
[ "hardware", "Laser Hacks" ]
[ "450nm", "Bart Dring", "coaster", "coasty", "grbl", "laser cutter", "stepper driver" ]
https://hackaday.com/wp-…y_feat.jpg?w=800
Whether or not you feel the need to laser cut custom drink coasters, you have to be impressed by the amount of thought that went into Coasty. They say that justice is blind, and while we can’t promise you anything at your next court date, we can at least say with confidence that we’re not the kind of people who will tu...
11
6
[ { "comment_id": "4277184", "author": "Galane", "timestamp": "2017-12-28T10:18:57", "content": "Coasters, intended to protect your fancy wood table from dripping condensation on the outside of cold drink glasses. Then you cut them full of holes that defeat the purpose of the coaster.A useful purpose ...
1,760,374,543.004531
https://hackaday.com/2017/12/27/environmentally-aware-jewelry-gets-attention/
Environmentally Aware Jewelry Gets Attention
Tom Nardi
[ "Arduino Hacks", "ATtiny Hacks", "contests", "Wearable Hacks" ]
[ "2017 Coin Cell Challenge", "attiny85", "coin cell", "jewelry", "light", "temperature" ]
https://hackaday.com/wp-…j_feat.jpg?w=800
We didn’t include a “Most Ornate” category in this year’s Coin Cell Challenge, but if we had, the environmentally reactive jewelry created by [Maxim Krentovskiy] would certainly be the one to beat. Combining traditional jewelry materials with an Arduino-compatible microcontroller, RGB LEDs, and environmental sensors; t...
5
3
[ { "comment_id": "4277093", "author": "Chrystusy Jedzo Guwno", "timestamp": "2017-12-28T08:04:42", "content": "Wearing one of these in a no-go zone in Berlin or Paris is a bad idea.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4277627", "author": "W...
1,760,374,542.955243
https://hackaday.com/2017/12/27/a-guidebook-to-the-world-of-counterfeit-parts/
A Guidebook To The World Of Counterfeit Parts
Tom Nardi
[ "hardware", "Parts" ]
[ "components", "counterfeit", "counterfeit parts", "forgery" ]
https://hackaday.com/wp-…s_feat.jpg?w=800
We’ve all experienced it: that sinking feeling you get when you’ve powered up your latest circuit and nothing happens. Maybe you made a mistake in your design or you shorted something while soldering. It’s even possible that ESD damaged one of your chips. All of these issues and more are possible, maybe even inevitable...
33
14
[ { "comment_id": "4276840", "author": "ytrewq", "timestamp": "2017-12-28T01:11:32", "content": "Some more info with plenty of photos.http://www.aeri.com/counterfeit-electronic-component-detection/", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "4277092", ...
1,760,374,543.261761
https://hackaday.com/2017/12/29/sonoff-factory-tour-is-a-lesson-on-life-in-shenzhen/
Sonoff Factory Tour Is A Lesson On Life In Shenzhen
Dan Maloney
[ "Misc Hacks" ]
[ "china", "ESP8266", "factory", "Guangdong", "IoT", "ITEAD", "manufacturing", "shenzhen", "sonoff" ]
https://hackaday.com/wp-…682304.png?w=800
Judging by the popularity of “How It’s Made” and other shows of the genre, watching stuff being made is a real crowd pleaser. [Jonathan Oxer] from SuperHouse is not immune to the charms of a factory tour, so he went all the way to China to visit the factory where Sonoff IoT devices are made , and his video reveals a lo...
24
7
[ { "comment_id": "4278387", "author": "ScriptGiddy", "timestamp": "2017-12-29T12:03:38", "content": "That looks about right :-) vacuum molded trays….vacuum molded trays everywhere", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "4278433", "author": "werecatf"...
1,760,374,543.377808
https://hackaday.com/2017/12/29/amazon-echo-dot-upgraded-to-retro-futuristic-look/
Amazon Echo Dot Upgraded To Retro Futuristic Look
Bob Baddeley
[ "Misc Hacks" ]
[ "Alexa Echo", "Amazon Alexa", "Amazon Echo", "amazon echo dot", "casemod", "radio", "retro radio" ]
https://hackaday.com/wp-…o_head.jpg?w=800
It takes a surprising amount of planning and work if you want something to look old. [vemeT5ak] wanted the Echo Dot sitting on his desk to fit a different aesthetic motivated by a 1940s Canadian radio. Armed with Solidworks, a Tormach CNC, and some woodworking tools at Sector67 hackerspace, he built a retro-futuristic ...
18
13
[ { "comment_id": "4278315", "author": "BaZ", "timestamp": "2017-12-29T10:09:08", "content": "Hmm shame you can still see the Dot through the grill, might have been better off with a layer of black lady’s tights/pantyhose to disguise it slightly better. The light ring would still show through, and mic...
1,760,374,543.317359
https://hackaday.com/2017/12/28/34c3-ultimate-apollo-guidance-computer-talk/
34C3: Ultimate Apollo Guidance Computer Talk
Tom Nardi
[ "classic hacks", "cons", "hardware" ]
[ "34C3", "agc", "Apollo Guidance Computer", "chaos communication congress", "computing history", "DSKY" ]
https://hackaday.com/wp-…c_feat.png?w=800
While it might not be as exciting as the Saturn V rocket itself, the Apollo Guidance Computer (AGC) was one of the most important developments of the entire Apollo program. While comically underwhelming compared to modern hardware, the AGC was nothing short of revolutionary when it was developed in the 1960’s. Before t...
14
7
[ { "comment_id": "4278187", "author": "TL", "timestamp": "2017-12-29T06:16:10", "content": "Fran at Franlab on youtube has a project with the smithsonian to refurbish this computer. There is a Go-fund-me page to raise funds to remake the DSKY display. Her latest update was another company has stole...
1,760,374,543.42725
https://hackaday.com/2017/12/28/learning-arm-assembly-with-visual/
Learning ARM Assembly With VisUAL
Adil Malik
[ "Microcontrollers" ]
[ "arm", "assembly", "emulator", "visual" ]
https://hackaday.com/wp-…visual.png?w=800
Learning assembly is very important if you want to get a grasp of how a computer truly works under the hood. VisUAL is a very capable ARM emulator for those interested in learning the ARM assembly. The GUI: A simply program to ADD two numbers In addition to supporting a large subset of ARM instructions, the CPU is emul...
13
7
[ { "comment_id": "4278102", "author": "Ostracus", "timestamp": "2017-12-29T03:07:33", "content": "“Learning assembly is very important if you want to get a grasp of how a computer truly works under the hood. VisUAL is a very capable ARM emulator for those interested in learning the ARM assembly.”I im...
1,760,374,543.479696
https://hackaday.com/2017/12/28/34c3-hacking-into-a-cpus-microcode/
34C3: Hacking Into A CPU’s Microcode
Elliot Williams
[ "computer hacks", "cons", "News", "Slider" ]
[ "34C3", "amazing", "arm", "ccc", "hack", "hacking", "microcode", "security", "trojan" ]
https://hackaday.com/wp-…atured.png?w=800
Inside every modern CPU since the Intel Pentium fdiv bug, assembly instructions aren’t a one-to-one mapping to what the CPU actually does. Inside the CPU, there is a decoder that turns assembly into even more primitive instructions that are fed into the CPU’s internal scheduler and pipeline. The code that drives the de...
67
22
[ { "comment_id": "4277969", "author": "Ostracus", "timestamp": "2017-12-29T00:12:36", "content": "“This means nearly undetectable malware that’s resident inside the CPU. (And you think the Intel Management Engine hacks made you paranoid!)”Maybe history should have been economically different where FD...
1,760,374,543.627953