url stringlengths 37 208 | title stringlengths 4 148 | author stringclasses 173
values | publish_date stringclasses 1
value | categories listlengths 0 12 | tags listlengths 0 27 | featured_image stringlengths 0 272 | content stringlengths 0 56.1k | comments_count int64 0 900 | scraped_comments_count int64 0 50 | comments listlengths 0 50 | scraped_at float64 1.76B 1.76B |
|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/12/16/digital-kiln/ | Digital Kiln | Brian McEvoy | [
"Tool Hacks"
] | [
"digital",
"digital control",
"digitally",
"electric",
"foundry",
"high temperature",
"kiln",
"metal",
"metalurgy",
"pid",
"refractory",
"solid state relay",
"temperature",
"tool",
"tools"
] | A kiln or foundry is too often seen as a piece of equipment which is only available if a hackspace is lucky enough to have one or individuals are dedicated enough to drop the cash for one of their own. [The Thought Emporium] thought that way until he sourced materials to
make his own kiln
which can also be seen after t... | 31 | 10 | [
{
"comment_id": "4256147",
"author": "Internet",
"timestamp": "2017-12-16T14:45:43",
"content": "It costs half the price of a commercial model not including a failed—and exploded—paint can version but also importantly, also not including any of the maker’s time to research, experiment or actually bu... | 1,760,374,558.550977 | ||
https://hackaday.com/2017/12/16/the-smartest-air-freshener-in-the-room/ | The Smartest Air Freshener In The Room | James Hobson | [
"home hacks",
"how-to",
"Wireless Hacks"
] | [
"Adafruit.IO",
"air freshener",
"Fusion 360",
"instructables",
"IoT",
"ITTT",
"neopixel",
"NodeMCU"
] | Many automatic air fresheners are wasteful in that they either ceaselessly spritz the room, and manual ones need to be — well — manually operated. This will not do in an era of smart products, so Instructables user [IgorF2] has put together an air freshener that does
more than check if you’re around
before freshening t... | 6 | 4 | [
{
"comment_id": "4256225",
"author": "Ostracus",
"timestamp": "2017-12-16T15:31:49",
"content": "Problem with the automatic ones is they’re cheap and don’t last long.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4256489",
"author": "Vije Miller (@VijeMil... | 1,760,374,557.894033 | ||
https://hackaday.com/2017/12/15/give-workshop-pencils-a-flush-mounted-home/ | Give Workshop Pencils A Flush-Mounted Home | Donald Papp | [
"how-to",
"Misc Hacks"
] | [
"clutter",
"elbow joint",
"flush mount",
"organization",
"organizer",
"pen holder",
"pencil holder",
"workshop"
] | Pencils and pens are apt to go wandering in a busy workshop if they don’t have a handy storage spot. For most of us a soup can or an old coffee mug does the trick, but for a prettier and more useful holder [Stuff I Made] has
a short video
demonstrating a storage unit made from an elbow fitting and a scrap piece of plyw... | 17 | 8 | [
{
"comment_id": "4255292",
"author": "opgjas",
"timestamp": "2017-12-16T07:06:33",
"content": "The prettier the workshop the more likely it isn’t used to make something productive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4255899",
"author": "j... | 1,760,374,558.327647 | ||
https://hackaday.com/2017/12/15/turning-saw-blades-into-throwing-stars/ | Turning Saw Blades Into Throwing Stars | Tom Nardi | [
"Weapons Hacks"
] | [
"metal working",
"ninja",
"Shuriken"
] | The holidays are nearly upon us, and if you haven’t found the perfect gift for the Mall Ninja in your life yet, this latest hack might be just what you’re looking for. On his YouTube channel,
[The Nocturnal Alchemist] demonstrates how to make ninja throwing stars (shuriken) out of an old circular saw blade
. One could ... | 12 | 4 | [
{
"comment_id": "4255109",
"author": "Internet",
"timestamp": "2017-12-16T04:55:40",
"content": "A belt sander plus sharpened throwing star being sanded is potentially dangerous.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4255889",
"author": "joh... | 1,760,374,558.444498 | ||
https://hackaday.com/2017/12/15/coin-cell-powered-sea-turtle-research/ | Coin Cell Powered Sea Turtle Research | Sven Gregori | [
"green hacks"
] | [
"coin cell",
"coin cell challenge",
"data logger",
"sea turtle",
"temperature logging"
] | Hacking and tinkering are always fun and games, but one just has to appreciate when all efforts are additionally aimed towards doing something good. [Nikos] sets an example by combining his interest in technology with his passion for wildlife conservation by creating a
low cost and ultra-low power temperature logger
— ... | 18 | 3 | [
{
"comment_id": "4254692",
"author": "rogerclarkmelbourne",
"timestamp": "2017-12-16T00:32:35",
"content": "I’m not sure why this is on HackadayI googled “waterproof data logger temperature” and there are loads of small products which already do thise.g.http://www.onsetcomp.com/products/data-loggers... | 1,760,374,558.272086 | ||
https://hackaday.com/2017/12/15/a-robot-arm-for-virtual-beer-pong/ | A Robot Arm For Virtual Beer Pong | Kristina Panos | [
"Beer Hacks",
"Microcontrollers",
"Robots Hacks"
] | [
"beer pong",
"bots just wanna have fun",
"ece4760",
"gyroscope",
"micro servos",
"pic32",
"trebuchet"
] | Leave it to engineering students to redefine partying. [Hyun], [Justin], and [Daniel] have done exactly that for their final project by building
a virtually-controlled robotic arm that plays beer pong
.
There are two main parts to this build: a sleeve worn by the user, and the robotic arm itself. The sleeve has IMUs at... | 2 | 2 | [
{
"comment_id": "4254369",
"author": "Saabman",
"timestamp": "2017-12-15T21:45:01",
"content": "Ahh to be back in uni again having the time to make weird shit .",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4254435",
"author": "buckfutter",
"timestamp... | 1,760,374,558.480534 | ||
https://hackaday.com/2017/12/15/brute-forcing-passwords-with-a-3d-printer/ | Brute Forcing Passwords With A 3D Printer | Adam Fabio | [
"3d Printer hacks"
] | [
"3d printer",
"g-code",
"rubber ducky",
"usb"
] | Many of us use a 4 digit pin code to lock our phones.
[David Randolph] over at Hak5 has come up a simple way to use a 3D printer to brute force these passwords
. Just about every 3D printer out there speaks the same language, G-code. The same language used in CAD and CNC machines for decades.
[David] placed a numeric k... | 18 | 9 | [
{
"comment_id": "4254228",
"author": "Internet",
"timestamp": "2017-12-15T20:20:31",
"content": "Semi related.https://learn.sparkfun.com/tutorials/building-a-safe-cracking-robot",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4254274",
"author": "jwrm... | 1,760,374,558.219776 | ||
https://hackaday.com/2017/12/15/thermistors-and-3d-printing/ | Thermistors And 3D Printing | Al Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Original Art"
] | [
"3d printing",
"beta equation",
"hot end",
"Steinhart-Hart model",
"temperature table",
"thermistor"
] | I always find it interesting that 3D printers — at least the kind most of us have — are mostly open-loop devices. You tell the head to move four millimeters in the X direction and you assume that the stepper motors will make it so. Because of the mechanics, you can calculate that four millimeters is so many steps and d... | 24 | 9 | [
{
"comment_id": "4253960",
"author": "PWalsh",
"timestamp": "2017-12-15T18:05:56",
"content": "Damn, your illustrator is good!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4253983",
"author": "Adam",
"timestamp": "2017-12-15T18:19:34",
... | 1,760,374,558.072928 | ||
https://hackaday.com/2017/12/15/design-a-microcontroller-with-security-in-mind/ | Design A Microcontroller With Security In Mind | Roger Cheng | [
"Microcontrollers"
] | [
"IME",
"IoT",
"iot security",
"mediatek",
"microcontrollers",
"Microsoft Research",
"security",
"TPM"
] | There are many parts to building a secure networked device, and the entire industry is still learning how to do it right. Resources are especially constrained for low-cost microcontroller devices. Would it be easier to build more secure devices if microcontrollers had security hardware built-in? That is the investigati... | 22 | 13 | [
{
"comment_id": "4253800",
"author": "Night",
"timestamp": "2017-12-15T16:54:39",
"content": "Crypto subprocessor and WiFi subsystem on same die that is a black-box to end user? I don’t think so. It would be better idea to have crypto chip that can be interfaced to microcontroller of your choice usi... | 1,760,374,558.391177 | ||
https://hackaday.com/2017/12/15/hardware-heroes-isambard-kingdom-brunel/ | Hardware Heroes: Isambard Kingdom Brunel | Jenny List | [
"Featured",
"History",
"Slider"
] | [
"Brunel",
"civil engineering",
"engineering",
"Hardware Heroes",
"Isambard Kingdom Brunel"
] | There are some notable figures in history that you know of for just one single thing. They may have achieved much in their lifetimes or they may have only been famous for Andy Warhol’s fifteen minutes, but through the lens of time we only know them for that single achievement. Then on the other hand there are those his... | 45 | 19 | [
{
"comment_id": "4253548",
"author": "David @dtl",
"timestamp": "2017-12-15T15:04:43",
"content": "It was an enjoyable visit – shame it wasn’t slightly warmer…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4253697",
"author": "Jenny List",
"... | 1,760,374,558.166189 | ||
https://hackaday.com/2017/12/15/modernizing-puerto-ricos-grid/ | Modernizing Puerto Rico’s Grid | Bryan Cockfield | [
"Repair Hacks"
] | [
"damage",
"distribution",
"electricity",
"generation",
"grid",
"hurricane",
"infrastructure",
"power",
"puerto rico",
"repair",
"wind"
] | After two massive hurricanes impacted Puerto Rico three months ago, the island was left with extensive damage to its electrical infrastructure. Part of the problem was that the infrastructure was woefully inadequate to withstand a hurricane impact at all. It is possible to harden buildings and infrastructure against ex... | 44 | 9 | [
{
"comment_id": "4253264",
"author": "Alan Hightower",
"timestamp": "2017-12-15T12:30:41",
"content": "I don’t understand why this is a problem in the first place. It’s not like ‘getting hit by a cat 5 hurricane – frequently’ wasn’t a statistical certainty and a design constraint of any system depl... | 1,760,374,558.872221 | ||
https://hackaday.com/2017/12/15/retractable-console-allows-wheelchair-user-to-get-up-close-and-personal/ | Retractable Console Allows Wheelchair User To Get Up Close And Personal | Dan Maloney | [
"Medical Hacks"
] | [
"arduino",
"control",
"Joystick",
"LM293m pantograph",
"mobility",
"multiple sclerosis",
"WheelChair"
] | [Rhonda] has multiple sclerosis (MS), a disease that limits her ability to walk and use her arms. She and the other residents of The Boston Home, an extended care facility for people with MS and other neuromuscular diseases, rely on their wheelchairs for mobility. [Rhonda]’s chair comes with a control console that swin... | 5 | 5 | [
{
"comment_id": "4252843",
"author": "opless",
"timestamp": "2017-12-15T11:21:19",
"content": "Nice hack. Shame the chair manufacturer can’t be bothered to customise / listen to customers.In the UK there’s a Cambridge company called Dragon Mobility that actually tailors their chairs for their client... | 1,760,374,559.056011 | ||
https://hackaday.com/2017/12/14/dumb-coffee-grinder-gets-smarter-with-time/ | Dumb Coffee Grinder Gets Smarter With Time | Kristina Panos | [
"Microcontrollers"
] | [
"atmega328p",
"AVR",
"coffee grinder",
"grind timer",
"oled",
"rancilio rocky"
] | [Forklift] has a Rancilio Rocky, a prosumer-level coffee grinder that’s been a popular mainstay for the last few decades. It’s a simple machine with a direct-drive motor. Rocky has one job, and it will do that job in one of 55 slightly different ways as long as someone is pushing the grind button. What Rocky doesn’t ha... | 10 | 6 | [
{
"comment_id": "4251892",
"author": "nathan",
"timestamp": "2017-12-15T06:20:18",
"content": "Holy crap. I actually am tired of my Super Jolly which doesn’t have a shot timer but a doser timer. I am going to build my own timer system, but this seems like incredible overkill, though it’s pretty simi... | 1,760,374,559.153314 | ||
https://hackaday.com/2017/12/14/putting-wind-in-vr-by-watching-the-audio-signal/ | Putting Wind In VR By Watching The Audio Signal | Donald Papp | [
"Virtual Reality"
] | [
"3d printed",
"audio",
"feedback",
"kickstarter",
"physical feedback",
"pivot",
"virtual reality",
"vr",
"wind",
"zephvr"
] | A simple way to integrate physical feedback into a virtual experience is to use a fan to blow air at the user. This idea has been done before, and the fans are usually the easy part. [Paige Pruitt] and [Sean Spielberg] put a twist on things in their (now-canceled) Kickstarter campaign called
ZephVR
, which featured two... | 11 | 5 | [
{
"comment_id": "4251677",
"author": "bty",
"timestamp": "2017-12-15T04:35:03",
"content": "to do this for a single game you could hook into the process and grab the object’s velocity, or the wind audio volume, etc.Detecting wind sound and somehow deducing airspeed doesn’t seem reliable approach, ma... | 1,760,374,559.102994 | ||
https://hackaday.com/2017/12/13/statistics-and-hacking-a-stout-little-distribution/ | Statistics And Hacking: A Stout Little Distribution | Sean Boyce | [
"hardware",
"how-to"
] | [
"dht11",
"math is beautiful",
"NodeMCU",
"python",
"statistics"
] | Previously, we discussed
how to apply the most basic hypothesis test: the z-test
. It requires a relatively large sample size, and might be appreciated less by hackers searching for truth on a tight budget of time and money.
As an alternative, we briefly mentioned the t-test. The basic procedure still applies: form hyp... | 18 | 5 | [
{
"comment_id": "4249054",
"author": "Steven Clark",
"timestamp": "2017-12-13T18:15:24",
"content": "I kinda wonder why the T distribution curves don’t follow the ones for dice (a pyramid at 1 DoF, closer to a normal as more dice added to the sum). I guess the assumption is that the populations are... | 1,760,374,559.217768 | ||
https://hackaday.com/2017/12/13/the-tiniest-of-555-pianos/ | The Tiniest Of 555 Pianos | Jenny List | [
"Musical Hacks"
] | [
"555",
"coin cell",
"coin cell challenge",
"music",
"piano",
"synth"
] | The 555 timer is one of that special club of integrated circuits that has achieved silicon immortality. Despite its advanced age and having had its functionality replicated and superceded in almost every way, it remains in production and is still extremely popular because it’s simply so
useful
. If you are of A Certain... | 23 | 11 | [
{
"comment_id": "4248955",
"author": "Moryc",
"timestamp": "2017-12-13T16:49:04",
"content": "I can’t hear anything…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4248979",
"author": "Kyle",
"timestamp": "2017-12-13T17:05:23",
"conte... | 1,760,374,559.551388 | ||
https://hackaday.com/2017/12/13/accident-forgiveness-comes-to-gplv2/ | Accident Forgiveness Comes To GPLv2 | Tom Nardi | [
"Business",
"Current Events",
"Featured",
"Original Art",
"Slider",
"Software Development"
] | [
"accident forgiveness",
"foss",
"gpl",
"open source",
"red hat",
"Richard Stallman",
"software licensing"
] | Years ago, while the GPLv3 was still being drafted, I got a chance to attend a presentation by Richard Stallman.
He did his whole routine as St IGNUcius
, and then at the end said he would be answering questions in a separate room off to the side. While the more causal nerds shuffled out of the presentation room, I wen... | 40 | 15 | [
{
"comment_id": "4248870",
"author": "Ostracus",
"timestamp": "2017-12-13T15:12:28",
"content": "Sounds like the difference between “grace” given informally, vs grace given in a formal manner. As the original copyright holder one does have some leeway.“I was familiar with the clause about “Tivoizati... | 1,760,374,560.096309 | ||
https://hackaday.com/2017/12/13/bluetooth-gun-safe-cracked-by-researchers/ | Bluetooth Gun Safe Cracked By Researchers | Tom Nardi | [
"News",
"Security Hacks",
"Wireless Hacks"
] | [
"adb",
"bluetooth",
"remote-exploit",
"responsible disclosure",
"ubertooth",
"Vaultek"
] | Believe it or not, there are quite a few people out there who have purchased gun safes that can be remotely unlocked by Bluetooth. Now we can understand
why
somebody might think this was a good idea: the convenience of being able to hit a button on your phone and have your weapon available in the heat of the moment is ... | 64 | 23 | [
{
"comment_id": "4248702",
"author": "Hopo28",
"timestamp": "2017-12-13T12:15:15",
"content": "“manufacturer during the right thing” -> “manufacturer doing the right thing.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4248707",
"author": "Jonathan Wilso... | 1,760,374,559.436864 | ||
https://hackaday.com/2017/12/13/generate-random-numbers-the-hard-way/ | Generate Random Numbers The Hard Way | Will Sweatman | [
"Arduino Hacks"
] | [
"art",
"noise",
"random number generator",
"vtol"
] | Your job is to create a random number generator.
Your device starts with a speaker and a membrane. On this membrane will sit a handful of small, marble-size copper balls. An audio source feeds the speaker and causes the balls to bounce to and fro. If a ball bounces high enough, it will gain the opportunity to travel do... | 24 | 10 | [
{
"comment_id": "4248549",
"author": "geocrasher",
"timestamp": "2017-12-13T09:15:18",
"content": "If you want a random string to seed a generator with, just set a windows admin in down of an open vim and have them try to exit it without using google.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,559.613174 | ||
https://hackaday.com/2017/12/12/its-curtains-for-blu-chip/ | It’s Curtains For Blu Chip | Al Williams | [
"ARM",
"Cellphone Hacks"
] | [
"ble",
"bluchip",
"bluetooth low energy",
"curtains"
] | In theory, there is no reason you can’t automate things all over your house. However — unless you live alone — you need to consider that most people won’t accept your kludgy looking circuits on a breadboard hanging everywhere. Lighting has become easy now that there are a lot of commercial options. However, there are s... | 20 | 6 | [
{
"comment_id": "4248398",
"author": "ScriptGiddy",
"timestamp": "2017-12-13T06:36:50",
"content": "Cute! I’ll give this a run. Does this beat the ESP8266 in terms of cost? I don’t see a price mentioned.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4248400... | 1,760,374,559.491049 | ||
https://hackaday.com/2017/12/12/connecting-cherry-mx-key-switches-to-lego-just-got-easier/ | Connecting Cherry MX Key Switches To LEGO Just Got Easier | Steven Dufresne | [
"Peripherals Hacks"
] | [
"cherry mx",
"cherry switches",
"keyboard",
"lego",
"mechanical keyboard"
] | The Cherry MX Blue keyswitch
Here on Hackaday, we like keyboard hacks. Given how much time we all spend pounding away on them, they’re natural hacks to come up with. If you’re pulling the circuitry from an existing keyboard then chances are the keys are pressed either by pushing down on rubber domes (AKA the membrane t... | 12 | 8 | [
{
"comment_id": "4248241",
"author": "kris",
"timestamp": "2017-12-13T03:16:19",
"content": "shut up and take my money",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4248252",
"author": "All Systems Bakkoi (@AllBakkoi)",
"timestamp": "2017-12-13T03:32:... | 1,760,374,559.666627 | ||
https://hackaday.com/2017/12/14/adsl-robustness-verified-by-running-over-wet-string/ | ADSL Robustness Verified By Running Over Wet String | Roger Cheng | [
"Network Hacks"
] | [
"adsl",
"error correction",
"saltwater",
"strings",
"wet"
] | A core part of the hacker mentality is the desire to test limits: trying out ideas to see if something interesting, informative, and/or entertaining comes out of it. Some employees of Andrews & Arnold (a UK network provider) applied this mentality towards connecting their ADSL test equipment to some unlikely materials.... | 44 | 17 | [
{
"comment_id": "4250113",
"author": "doppler",
"timestamp": "2017-12-14T12:18:20",
"content": "Yes, but how well does ADSL carry over a wet noodle?? That’s what I want to know.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4250135",
"author": "Ric... | 1,760,374,559.791776 | ||
https://hackaday.com/2017/12/14/cncd-macbook-breathes-easy/ | CNC’d MacBook Breathes Easy | Tom Nardi | [
"cnc hacks",
"computer hacks",
"Mac Hacks"
] | [
"airflow",
"cnc",
"Cutting and Machining",
"macbook",
"overheating"
] | Sick of his 2011 Macbook kicking its fans into overdrive every time the temperatures started to climb, [Arthur] decided to go with the nuclear option and cut some ventilation holes into the bottom of the machine’s aluminum case. But it just so happens that he had the patience and proper tools for the job, and the final... | 65 | 22 | [
{
"comment_id": "4249920",
"author": "Bill Sussman",
"timestamp": "2017-12-14T09:34:45",
"content": "Apple’s garbage thermal management really pisses me off, I’ve owned a couple of macbooks since they switched to intel and they all have the same problem of almost melting down into a pile of slag if ... | 1,760,374,559.950911 | ||
https://hackaday.com/2017/12/13/building-a-drone-that-almost-follows-you-home/ | Building A Drone That (Almost) Follows You Home | Lewin Day | [
"drone hacks"
] | [
"cornell",
"drone",
"drones",
"final project",
"university",
"university project"
] | There’s a great deal of research happening around the topic of autonomous vehicles of all creeds and colours.
[Ryan] decided this was an interesting field, and took on an autonomous drone as his final project at Cornell University.
The main idea was to create a drone that could autonomously follow a target which provid... | 9 | 3 | [
{
"comment_id": "4249766",
"author": "Daniel",
"timestamp": "2017-12-14T06:12:02",
"content": "These project confuse me. These problems were solved years ago in the open source community with project such as APM and PX4 and today there are toy drones that you can buy on the shelves of Wal-mart do al... | 1,760,374,559.833336 | ||
https://hackaday.com/2017/12/13/will-hack-for-espresso/ | Will Hack For Espresso | James Hobson | [
"home hacks",
"Microcontrollers"
] | [
"bluetooth",
"closed loop",
"coffee",
"espresso",
"Ground",
"lunar",
"particle photon"
] | [Avidan Ross] has an unyielding passion for coffee. Brewing a proper espresso is more than measuring fluid ounces, and to that end, his office’s current espresso machine was not making the cut. What’s a maker to do but enlist his skills to brew some
high-tech coffee
.
For a proper espresso, the mass of the grounds and ... | 22 | 5 | [
{
"comment_id": "4249602",
"author": "Saabman",
"timestamp": "2017-12-14T03:12:19",
"content": "Bloody hell just working on one of those machines is torturous enough let alone fitting in extra components !Well done",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,560.011554 | ||
https://hackaday.com/2017/12/13/color-changing-clock-uses-pcb-digits/ | Color Changing Clock Uses PCB Digits | Al Williams | [
"clock hacks"
] | [
"clock",
"neopixel"
] | There’s an old saying, that you should do everything at least twice. Once to learn how to do it, and then a second time to do it right. Perhaps [Zweben] would agree, since he wasn’t satisfied with his first Neopixel clock and proceeded to build
another one
. One lesson learned: soldering 180 tiny solder joints isn’t mu... | 6 | 4 | [
{
"comment_id": "4249418",
"author": "Saabman",
"timestamp": "2017-12-14T00:36:08",
"content": "It’s interesting that clocks seem to be a common project and with lots of variety in their design.It’s an area I can relate to. I’ve wanted a bedside clock for some time and have made do with a cheap nast... | 1,760,374,560.240657 | ||
https://hackaday.com/2017/12/13/guitar-game-plays-with-enhanced-realism/ | Guitar Game Plays With Enhanced Realism | Kristina Panos | [
"Arduino Hacks",
"Microcontrollers",
"Musical Hacks"
] | [
"arduino",
"bluetooth",
"dds",
"guitar",
"guitar hero",
"Karplus-Strong",
"pic32"
] | There’s a lot more to learning how to play the guitar than just playing the right notes at the right time and in the right order. To produce any sound at all requires learning how to do completely different things with your hands simultaneously, unless maybe you’re a direct descendant of Eddie Van Halen and thus born t... | 5 | 4 | [
{
"comment_id": "4249421",
"author": "Saabman",
"timestamp": "2017-12-14T00:40:09",
"content": "Those $25 ukuleles are vastly improved by adding a set of good strings.I’m glad someone has done a project like this and I’m going to look into it about further as it was always something I thought should... | 1,760,374,560.196314 | ||
https://hackaday.com/2017/12/13/extraterrestrial-autonomous-lander-systems-to-touch-down-on-mars/ | Extraterrestrial Autonomous Lander Systems To Touch Down On Mars | Brian Benchoff | [
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"autonomous",
"Extraterrestial",
"jpl",
"mars",
"Mars Landing",
"nasa"
] | The future of humans is on Mars. Between SpaceX, Boeing, NASA, and every other national space program, we’re going to Mars. With this comes a problem: flying to Mars is relatively easy, but landing a large payload on the surface of another planet is orders of magnitude more difficult. Mars, in particular, is tricky: it... | 24 | 6 | [
{
"comment_id": "4249133",
"author": "Dan",
"timestamp": "2017-12-13T19:46:37",
"content": "Landing on Mars is not harder than anywhere else, it is just energetically more expensive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4249232",
"author": ... | 1,760,374,560.308863 | ||
https://hackaday.com/2017/12/12/car-lights-for-reflow-heat-source/ | Car Lights For Reflow Heat Source | Michael Uttmark | [
"hardware",
"how-to"
] | [
"halogen",
"Halogen lamp",
"halogen light",
"ir",
"reflow"
] | If you only have a car and you need to unsolder some tricky surface mount components: what would you do? If you’re Kasyan TV, you’d remove your car’s halogen lights and get to town. That’s right: car lights for reflow.
When the friend of the host of Kasyan TV needed to remove some roasted toasted FETs from his motherbo... | 26 | 12 | [
{
"comment_id": "4248103",
"author": "RandyKC",
"timestamp": "2017-12-13T00:12:27",
"content": "Now, reflow soldiering with an Easy-Bake oven? That would be a hack!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4248213",
"author": "Maltheal Alistar"... | 1,760,374,560.373169 | ||
https://hackaday.com/2017/12/12/old-tv-lends-case-to-retro-magic-mirror/ | Old TV Lends Case To Retro Magic Mirror | Dan Maloney | [
"classic hacks",
"Raspberry Pi"
] | [
"Case mod",
"chromium",
"kiosk",
"Magic Mirror",
"news weather",
"Pimoroni",
"retro",
"tv"
] | Remember the days when the television was the most important appliance in the house? On at dawn for the morning news and weather, and off when Johnny Carson said goodnight, it was the indispensable portal to the larger world. Broadcast TV may have relinquished its hold on the public mind in favor of smartphones, but
an... | 10 | 9 | [
{
"comment_id": "4247966",
"author": "danjovic",
"timestamp": "2017-12-12T21:39:48",
"content": "What an awesome mod!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4247973",
"author": "heatgap",
"timestamp": "2017-12-12T21:51:36",
"content": "Well... | 1,760,374,560.515097 | ||
https://hackaday.com/2017/12/12/christal-gordon-sensors-fusion-and-neurobiology/ | Christal Gordon: Sensors, Fusion, And Neurobiology | Al Williams | [
"Engineering"
] | [
"2017 Hackaday Superconference",
"sensor fusion",
"Superconference"
] | Some things don’t sound like they should go together, but they do. Peanut butter and chocolate. Twinkies and deep frying. Bacon and maple syrup. Sometimes mixing things up can produce great results. [Dr. Christal Gordon’s] expertise falls into that category. She’s an electrical engineer, but she also studies neuroscien... | 3 | 2 | [
{
"comment_id": "4247924",
"author": "Ostracus",
"timestamp": "2017-12-12T20:45:45",
"content": "Sensor fusion for a better shopping bot.“Pretty amazing. Our robots are lucky if they can navigate that well and they probably don’t refuel and rebuild plus they probably are much bigger and heavier.”A t... | 1,760,374,560.5586 | ||
https://hackaday.com/2017/12/12/miss-mitchells-comet/ | Maria Mitchell: The First Woman Astronomy Professor | Dan Maloney | [
"Biography",
"Featured"
] | [
"astronomy",
"comet",
"history",
"Maria Mitchell",
"Miss Mitchell's comet",
"women in technology"
] | On an October night in 1847, a telescope on the roof of the Pacific National Bank building on Nantucket Island was trained onto the deep black sky. At the eyepiece was an accomplished amateur astronomer on the verge of a major discovery — a new comet, one not recorded in any almanac. The comet, which we today know by t... | 11 | 8 | [
{
"comment_id": "4247802",
"author": "Ren",
"timestamp": "2017-12-12T18:19:14",
"content": "As an astronomy fanboy, I enjoyed this article.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4247902",
"author": "noirwhal",
"timestamp": "2017-12-1... | 1,760,374,560.613202 | ||
https://hackaday.com/2017/12/12/how-mini-can-a-mini-lamp-be/ | How Mini Can A Mini Lamp Be? | Jenny List | [
"3d Printer hacks"
] | [
"3d printed desk lamp",
"coin cell",
"coin cell challenge",
"desk lamp"
] | If there is one constant in the world of making things at the bench, it is that there is never enough light. With halogen lamps, LEDs, fluorescent tubes, and more, there will still be moments when the odd tiny part slips from view in the gloom.
It’s fair to say that [OddDavis]’
articulated mini lamp
will not provide al... | 4 | 3 | [
{
"comment_id": "4247747",
"author": "Murdock",
"timestamp": "2017-12-12T17:26:58",
"content": "I have a couple of little 4″ tall lamps I got from who know where, and they are absolutely amazing for illuminating tight spots.It’s a lot like this one:https://www.amazon.co.uk/Funtime-LF6590-Mini-Desk-L... | 1,760,374,560.651588 | ||
https://hackaday.com/2017/12/12/living-on-the-moon-the-challenges/ | Living On The Moon: The Challenges | Steven Dufresne | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"grounding",
"helium 3",
"lunar",
"moon",
"oxygen",
"photovoltaic",
"regolith",
"solar panels",
"space suit",
"underground",
"water"
] | Invariably
when we write about living on Mars
, some ask why not go to the Moon instead? It’s much closer and has a generous selection of minerals. But its lack of an atmosphere adds to or exacerbates the problems we’d experience on Mars. Here, therefore, is a fun thought experiment about that age-old dream of living o... | 185 | 31 | [
{
"comment_id": "4247584",
"author": "Rick Bryan",
"timestamp": "2017-12-12T15:29:59",
"content": "If you’re pretty sure that the lunar day is a little over four weeks, and then the lunar night an additional four weeks, then you should go fix the “Lunar day” Wikipedia page. It seems to think that i... | 1,760,374,561.2035 | ||
https://hackaday.com/2017/12/12/cocktail-machine-mixes-perfect-drinks-every-time/ | Cocktail Machine Mixes Perfect Drinks Every Time | Steven Dufresne | [
"cooking hacks"
] | [
"arduino",
"drink dispenser",
"drink mixing robot",
"load cell",
"peristaltic pump"
] | For many of us. the holiday season is coming up and that means hosting parties and mixing drinks, which can get tiresome. [GreatScott] has come up with a solution, what he calls a
crude cocktail mixing machine
. But don’t be fooled — it may look crude on the surface, and vibrate a bit while working, but the mechanism i... | 14 | 9 | [
{
"comment_id": "4247567",
"author": "mmiscool",
"timestamp": "2017-12-12T15:10:05",
"content": "So this is what all the buzzed people are about.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4247592",
"author": "Clemens",
"timestamp": "2017-12-12T15:... | 1,760,374,560.709391 | ||
https://hackaday.com/2017/12/14/reverse-engineering-the-nintendo-wavebird/ | Reverse Engineering The Nintendo Wavebird | Tom Nardi | [
"classic hacks",
"Nintendo Hacks",
"Wireless Hacks"
] | [
"Fourier",
"gamecube",
"HackRF",
"modulation",
"nintendo",
"reverse engineering",
"WaveBird"
] | Readers who were firmly on Team Nintendo in the early 2000’s or so can tell you that there was no accessory cooler for the Nintendo GameCube than the WaveBird. Previous attempts at wireless game controllers had generally either been sketchy third-party accessories or based around IR, and in both cases the end result wa... | 21 | 9 | [
{
"comment_id": "4251375",
"author": "Dennis M.",
"timestamp": "2017-12-15T00:12:33",
"content": "I have 4 of these for the old Gamecube never knew they were called “wavebirds”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4251378",
"author": "ehric... | 1,760,374,560.920518 | ||
https://hackaday.com/2017/12/14/hacking-an-aux-port-for-a-google-home-mini/ | Hacking An AUX Port For A Google Home Mini | Al Williams | [
"google hacks"
] | [
"aux",
"google home mini",
"jack socket",
"voltage divider"
] | Even if you don’t want to add an AUX audio output port to your Google Home Mini, you’ll still want to see
a pair of videos from [SnekTek]
. After all, you’ll eventually want to open it up, and putting it over some boiling water might not have been your first idea. You can see both videos, below.
However, he did want to... | 10 | 7 | [
{
"comment_id": "4251213",
"author": "Olsen",
"timestamp": "2017-12-14T22:04:06",
"content": "Now I gotta look up a teardown! I love cheap tiny computers! I’m surprised that there wasn’t an underground market in 1984 for hacking and modding the telescreens.",
"parent_id": null,
"depth": 1,
... | 1,760,374,560.860026 | ||
https://hackaday.com/2017/12/14/this-coin-cell-can-move-that-train/ | This Coin Cell Can Move That Train! | Jenny List | [
"Toy Hacks"
] | [
"coin cell",
"coin cell challenge",
"model railroad",
"railroad",
"supercapacitor"
] | [Mike Rigsby]
has moved a train with a coin cell
. A CR2477 cell to be exact, which is to say one of the slightly more chunky examples, and the train in question isn’t the full size variety but a model railroad surrounding a Christmas tree, but nevertheless, the train moved.
A coin cell on its own will not move a model... | 28 | 10 | [
{
"comment_id": "4250939",
"author": "david",
"timestamp": "2017-12-14T19:41:03",
"content": "It turns it into ten volts but great job!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4251033",
"author": "mpmitch2000",
"timestamp": "2017-12-14T20:39:12... | 1,760,374,561.339065 | ||
https://hackaday.com/2017/12/14/using-gmail-with-oauth2-in-linux-and-on-an-esp8266/ | Using Gmail With OAUTH2 In Linux And On An ESP8266 | Sean Boyce | [
"Arduino Hacks",
"google hacks",
"how-to",
"Original Art"
] | [
"Arduino-compatible",
"ESP8266",
"Gmail",
"Google API",
"NodeMCU",
"oauth",
"oauth2"
] | One of the tasks I dread is configuring a web server to send email correctly via Gmail. The simplest way of sending emails is SMTP, and there are a number of scripts out there that provide a simple method to send mail that way with a minimum of configuration. There’s even PHP
mail()
, although it’s less than reliable.
... | 21 | 11 | [
{
"comment_id": "4250746",
"author": "kevinmkessler",
"timestamp": "2017-12-14T18:39:30",
"content": "OAuth is just so complex, I would suggest for most people who just want to send a email from a microcontroller to create a new gmail account for your toys, set the less secure bit, and use tried and... | 1,760,374,561.271678 | ||
https://hackaday.com/2017/12/14/friday-hack-chat-eagle-one-year-later/ | Friday Hack Chat: Eagle One Year Later | Brian Benchoff | [
"Hackaday Columns"
] | [
"autodesk",
"cadsoft",
"eagle",
"EagleCad",
"Hack Chat",
"pcb",
"PCB design",
"software"
] | Way back in June of 2016, Autodesk acquired Cadsoft, and with it EagleCAD, the popular PCB design software. There were plans for some features that should have been in Eagle two decades ago, and right now Autodesk is rolling out an impressive list of features that include UX improvements, integration with MCAD and Fusi... | 103 | 37 | [
{
"comment_id": "4250634",
"author": "The old empty barn",
"timestamp": "2017-12-14T17:09:11",
"content": "To be honest, I am a loss why anyone uses Eagle anymore. For a similar cost there are generally better options (in my opinion) with perpetual licenses and for true open source types, there is K... | 1,760,374,561.485905 | ||
https://hackaday.com/2017/12/14/the-zombie-rises-again-drone-registration-is-back/ | The Zombie Rises Again: Drone Registration Is Back | Jenny List | [
"drone hacks",
"News",
"Slider"
] | [
"drone",
"drone law",
"drone registration",
"multirotor"
] | It’s a trope of horror movies that demonic foes always return. No sooner has the bad guy been dissolved in a withering hail of holy water in the denoeument of the first movie, than some foolish child in a white dress at the start of the next is queuing up to re-animate it with a careless drop of blood or something. If ... | 69 | 11 | [
{
"comment_id": "4250554",
"author": "Mark Gunderson",
"timestamp": "2017-12-14T16:12:19",
"content": "Am I terrible for thinking this is reasonable? Model aircraft used to require considerable practice to fly. Now literally anybody with a few hundred bucks can go buy a drone (multirotor) and ten mi... | 1,760,374,562.024173 | ||
https://hackaday.com/2017/12/14/truly-terrible-dimensioned-drawings/ | Truly Terrible Dimensioned Drawings | Brian Benchoff | [
"Engineering",
"Featured",
"Original Art",
"Rants",
"Slider"
] | [
"datasheet",
"datasheets",
"drafting",
"drawing",
"engineering",
"engineering drawing",
"stupid datasheets"
] | I’m in the planning stages of a side project for Hackaday right now. It’s nothing
too
impressive, but this is a project that will involve a lot of electromechanical parts. This project is going to need a lot of panel mount 1/8″ jacks and sockets, vertical mount DIN 5 connectors, pots, switches, and other carefully craf... | 147 | 30 | [
{
"comment_id": "4250443",
"author": "jcwren",
"timestamp": "2017-12-14T15:07:09",
"content": "I do a fair amount of footprints for SMT parts. It’s disgusting how hard it is to figure out where a pin is located without going through a bunch of addition, subtraction, and division. They could have mad... | 1,760,374,561.913433 | ||
https://hackaday.com/2017/12/12/keep-track-of-your-weight-while-sleeping/ | Keep Track Of Your Weight While Sleeping | Will Sweatman | [
"Arduino Hacks"
] | [
"bed",
"ikea",
"ikea bed",
"scale"
] | When the average person looks at a bed, they think about sleeping. Because that’s what beds are for. You cover them with soft, warm cloths and fluffy pillows and you sleep on them. [Peter] is not your average person. He’s a maker. And when he looks at a bed, he thinks about giving it the ability to
track his weight
.
T... | 36 | 13 | [
{
"comment_id": "4247106",
"author": "???? (@samwhiteUK)",
"timestamp": "2017-12-12T09:31:05",
"content": "wow.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4247112",
"author": "Cluso99",
"timestamp": "2017-12-12T09:55:33",
"content": "Sounds a b... | 1,760,374,561.724112 | ||
https://hackaday.com/2017/12/11/laser-cutter-alignment-mod-skips-beam-combiner/ | Laser Cutter Alignment Mod Skips Beam Combiner | Tom Nardi | [
"Arduino Hacks",
"hardware",
"Laser Hacks"
] | [
"arduino",
"beam combiner",
"K40",
"laser cutter",
"visible laser"
] | A lot of the DIY laser engravers and cutters we cover here on Hackaday are made with laser diodes salvaged from Blu-ray drives and projectors, which are visible lasers in the 400 – 450nm range (appearing as violet or blue). Unfortunately there is an upper limit in terms of power on visible diode lasers, most builds max... | 27 | 13 | [
{
"comment_id": "4246975",
"author": "reggy",
"timestamp": "2017-12-12T06:22:25",
"content": "Clever, but I wonder how exact it is in the main lasers beam path, give it is on a movable mount. More pictures would be nice. I like the idea though.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,561.653474 | ||
https://hackaday.com/2017/12/11/make-christmas-commercial-again-with-this-tiny-tv-ornament/ | Make Christmas Commercial Again With This Tiny TV Ornament | Dan Maloney | [
"Holiday Hacks",
"News"
] | [
"advertisement",
"christmas",
"commercial",
"lipo",
"ornament",
"Pi Zero W",
"raspberry pi",
"TFT LCD",
"youtube"
] | Readers of a certain age will remember a time when the Christmas season in the US officially kicked off after Thanksgiving. That was when advertisers began saturation bombing the communal mind with holiday-themed TV commercials night and day. Broadcast TV no longer holds sway like it did back then, and advertisers now ... | 11 | 6 | [
{
"comment_id": "4246887",
"author": "Mark",
"timestamp": "2017-12-12T04:32:15",
"content": "That is just brilliant!And I am more and more sure about getting a 3D printer soon.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4247474",
"author": "dave"... | 1,760,374,562.069485 | ||
https://hackaday.com/2017/12/11/the-internet-of-blast-gates/ | The Internet Of Blast Gates | Brian Benchoff | [
"Arduino Hacks",
"Tool Hacks"
] | [
"arduino",
"automation",
"blast gate",
"dust collection"
] | There’s nothing quite like building out a shop filled with tools, but even that enviable task has a lot of boring work that goes into it. You’ve got to run power, you’ve got to build benches, and you need to build a dust collection system. That last one is usually just fitting a bunch of pipe and tubes together and add... | 22 | 9 | [
{
"comment_id": "4246739",
"author": "Internet",
"timestamp": "2017-12-12T01:38:11",
"content": "Not sure cheap correctly refers to an Arduino. At least not an official one. Different story with the clones.Neat idea though. Surprising that this isn’t already a cheap, commercial product though.",
... | 1,760,374,562.128924 | ||
https://hackaday.com/2017/12/11/a-remote-controlled-air-plane/ | A Remote Controlled Air-Plane | Brian Benchoff | [
"3d Printer hacks"
] | [
"air powered",
"air powered plane",
"rc plane",
"remote control"
] | The Air Hogs Sky Shark was a free-flying model airplane powered by compressed air. When it was released in the late ’90s, it was a fairly innovative toy featuring a strikingly novel compressed air engine made entirely out of injection molded plastic. Sales of these model planes took off, and landed on the neighbor’s ro... | 37 | 13 | [
{
"comment_id": "4246481",
"author": "RandyKC",
"timestamp": "2017-12-11T21:04:23",
"content": "This sort of propulsion would be nice to have to use with R/C gliders. Give a little boost to reach the next thermal.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,562.202594 | ||
https://hackaday.com/2017/12/11/mike-harrison-at-the-superconference-flying-lcd-pixels/ | Mike Harrison At The Superconference: Flying LCD Pixels | Elliot Williams | [
"cons",
"hardware",
"Slider"
] | [
"2017 Hackaday Superconference",
"art",
"Hackaday Supercon",
"lcd",
"Mike Harrison",
"Superconference"
] | Mike Harrison, perhaps better known to us as the titular Mike of YouTube channel mikeselectricstuff, is a hardware hacking genius. He’s the man behind
this year’s Superconference badge
, and his hacks and teardowns have graced our pages many times. The best thing about Mike is that his day job is designing implausibly ... | 18 | 8 | [
{
"comment_id": "4246634",
"author": "KAN",
"timestamp": "2017-12-11T23:35:13",
"content": "Aww man, I’m pretty sure he said he was going to talk about software! Would have loved to have seen how he handled these 3d objects!Really cool stuff though, that talk was worth a watch.",
"parent_id": nu... | 1,760,374,562.261454 | ||
https://hackaday.com/2017/12/11/what-you-need-to-know-about-the-intel-management-engine/ | What You Need To Know About The Intel Management Engine | Brian Benchoff | [
"computer hacks",
"News",
"Security Hacks",
"Slider"
] | [
"intel",
"Intel Management Engine",
"management engine",
"ME",
"security"
] | Over the last decade, Intel has been including a tiny little microcontroller inside their CPUs. This microcontroller is connected to everything, and can shuttle data between your hard drive and your network adapter. It’s always on, even when the rest of your computer is off, and with the right software, you can wake it... | 95 | 27 | [
{
"comment_id": "4246225",
"author": "KMLM",
"timestamp": "2017-12-11T18:06:05",
"content": "How does it harvest energy when it is not plugged in anything? Has intel come up with a free energy harvesting engine inside the ime too?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,562.401733 | ||
https://hackaday.com/2017/12/11/smart-station-runs-entertainment-is-entertainment/ | Smart Station Runs Entertainment, Is Entertainment | Kristina Panos | [
"home entertainment hacks",
"Microcontrollers"
] | [
"accelerometer",
"bluetooth",
"bruce land",
"pic32",
"PIC32MX250F128B"
] | It’s that special time of year—time for the parade of student projects from [Bruce Land]’s embedded microcontroller design course at Cornell. [Timothy], [Dhruv], and [Shaurya] are all into remote sensing and control applications, so
they built a smart station that combines audiovisual entertainment with environmental s... | 10 | 1 | [
{
"comment_id": "4246135",
"author": "Ren",
"timestamp": "2017-12-11T16:32:41",
"content": "I was enthusiastically reading the article, until I read “PIC32″…Why would an instructor burden his students with THAT????",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,562.486018 | ||
https://hackaday.com/2017/12/11/the-ibm-pc-that-broke-ibm/ | The IBM PC That Broke IBM | Steven Dufresne | [
"Featured",
"History",
"Original Art",
"Slider"
] | [
"dos",
"ibm",
"IBM PC",
"ms-dos",
"PC DOS"
] | It was the dawn of the personal computer age, a time when Apple IIs, Tandy TRS-80s, Commodore PETs, the Atari 400 and 800, and others had made significant inroads into schools and people’s homes. But IBM, whose name was synonymous with computers, was nowhere to be seen. And yet within a few years, the IBM PC would be t... | 128 | 37 | [
{
"comment_id": "4246039",
"author": "Michael Harpe",
"timestamp": "2017-12-11T15:08:51",
"content": "One big reason they got to market so fast is that the 5110 is a straight-out-of-the-app-note implementation of the 8088. The Intel datasheets describe that design in some detail. IBM also got tons o... | 1,760,374,564.96835 | ||
https://hackaday.com/2017/12/11/a-bluetooth-speaker-for-babies/ | A Bluetooth Speaker For Babies | James Hobson | [
"Arduino Hacks",
"Musical Hacks"
] | [
"baby",
"bluetooth",
"display",
"led",
"matrix",
"mega",
"speaker"
] | [Mike Clifford] of [Modustrial Maker] had not one, not two, but five friends call him to announce that their first children were on the way, and he was inspired to build them a Bluetooth speaker with a
unique LED matrix display
as a fitting gift. Meant to not only entertain guests, but to audio-visually stimulate each ... | 11 | 5 | [
{
"comment_id": "4245896",
"author": "mop",
"timestamp": "2017-12-11T12:15:02",
"content": "MTBF of those chinese switching regulators is measured in hours if you’re unlucky or hundreds of hours if you’re lucky.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,564.511771 | ||
https://hackaday.com/2017/12/11/opencv-never-forgets-a-face/ | OpenCV Never Forgets A Face | Al Williams | [
"Security Hacks",
"Software Hacks"
] | [
"eigenfaces",
"haar cascade",
"opencv"
] | All the cool phones now are doing facial recognition. While that sounds like a big job, you can add face detection and recognition easily to your projects if you can support the OpenCV library. [LinuxHint] has a great
tutorial that steps you from the basics of OpenCV to actually acquiring and identifying faces
. It is ... | 12 | 4 | [
{
"comment_id": "4245763",
"author": "LOL",
"timestamp": "2017-12-11T09:34:29",
"content": "“hairy classification algorithms”http://blogs.elpais.com/.a/6a00d8341bfb1653ef0162fbcf8a88970d-550wi",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4245988",
... | 1,760,374,564.463544 | ||
https://hackaday.com/2017/12/10/roller-coaster-tycoon-irl/ | Roller Coaster Tycoon IRL | Dan Maloney | [
"3d Printer hacks"
] | [
"arduino mega",
"model",
"modeling",
"roller coaster",
"train"
] | Additive manufacturing has come a long way, but surely we’re not at the point where we can 3D-print a roller coaster, right?
It turns out that you can
, as long as 1/25th scale is good enough for you.
Some people build model railroads, but [Matt Schmotzer] has always had a thing for roller coasters. Not content with
Ro... | 13 | 10 | [
{
"comment_id": "4245594",
"author": "Mike Andrews",
"timestamp": "2017-12-11T06:25:34",
"content": "Kings Island, not “Kings Park”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4245605",
"author": "Alex",
"timestamp": "2017-12-11T06:35:36",
"con... | 1,760,374,564.413968 | ||
https://hackaday.com/2017/12/10/light-switch-for-the-lazy/ | Light Switch For The Lazy | James Hobson | [
"ATtiny Hacks",
"home hacks"
] | [
"automation",
"bluetooth",
"home",
"instructables",
"Lazy",
"light",
"remote",
"switch"
] | [Will Donaldson] has whipped up a quick hack for anyone thinking of dipping their toe into home automation — or otherwise detest flicking off the bedroom light before navigating their way to their bed: a
remote control light switch
!
This remote switch uses a sg90 servo, an Arduino Uno, and pairs of ATtiny85s with HC-0... | 39 | 19 | [
{
"comment_id": "4245416",
"author": "Nova",
"timestamp": "2017-12-11T03:18:42",
"content": "This is perfect, I love how it has a middle position that mechanically decouples it from the switch, that way you can over-ride it whenever needed.",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,564.645422 | ||
https://hackaday.com/2017/12/10/hackaday-links-december-10-2017/ | Hackaday Links: December 10, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"3d printed plane",
"coin cell challenge",
"flite test",
"kickstarter",
"Lattepanda",
"multimeter"
] | We have a contest going on right now challenging you to do the most with a coin cell
. There are already quite a few interesting entries, and a few Hackaday writers are getting into the action by asking the question, ‘how do you open up a coin cell?’. The first thoughts were to open a lithium coin cell up while submerg... | 14 | 6 | [
{
"comment_id": "4245234",
"author": "hackereducation",
"timestamp": "2017-12-11T00:43:42",
"content": "121GW…intentional? When that meter reaches 88mh you’re gonna see some serious s***",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4245312",
"auth... | 1,760,374,564.219305 | ||
https://hackaday.com/2017/12/18/3d-printed-key-saves-the-day/ | 3D Printed Key Saves The Day | Adam Fabio | [
"3d Printer hacks"
] | [
"3d print",
"lock",
"locksport",
"mailbox"
] | When [Odin917’s] parents went away on vacation, they took the apartment mailbox key with them. With the mail quickly piling up in the mailbox, he needed to get in there. He could have had the building super replace the lock, for a fee of course. Instead he had his parents
email a photo of the key, which he used to 3D p... | 53 | 11 | [
{
"comment_id": "4260535",
"author": "Mitch Hunrud",
"timestamp": "2017-12-18T21:39:42",
"content": "Not that I don’t love this, but ….. he couldn’t have them mail the key to a friend?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4260653",
"author"... | 1,760,374,564.72916 | ||
https://hackaday.com/2017/12/18/how-provably-loaded-dice-lead-to-unprovable-cheating/ | How Provably Loaded Dice Lead To Unprovable Cheating | Donald Papp | [
"Misc Hacks"
] | [
"analysis",
"CHEATING",
"games",
"loaded dice",
"p-value",
"settlers of catan",
"statistics"
] | Here’s a really interesting writeup by [Mike] that has two parts. He shows that not only is it possible to load wooden dice by placing them in a dish of water, but that when using these dice to get an unfair advantage in
Settlers of Catan
,
observation of dice rolls within the game is insufficient to prove that the che... | 16 | 6 | [
{
"comment_id": "4260434",
"author": "RMD",
"timestamp": "2017-12-18T19:51:54",
"content": "Wait, am I missing a place where he did control rolls of his dice before putting them in water? Gaming dice are often not quite as well balanced as casino dice.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,564.56975 | ||
https://hackaday.com/2017/12/18/books-you-should-read-the-3d-printing-handbook/ | Books You Should Read: The 3D Printing Handbook | Brian Benchoff | [
"Hackaday Columns",
"Reviews"
] | [
"3d printing",
"book review",
"reviews"
] | 3D printing was invented in the 80s, twenty years passed, patents expired, and then several diverse uses for 3D printing technology were found. As such, the tips and techniques for 3D printing — especially filament-based printing — have been discussed and documented almost entirely on the Internet, mostly in chat rooms... | 12 | 9 | [
{
"comment_id": "4260375",
"author": "RandyKC",
"timestamp": "2017-12-18T18:54:42",
"content": "One positive review (the first review) from “Sherri” on Nov 30th, 37 negative (1star) reviews for a total of 38 reviews?I agree, I wouldn’t hold my breath waiting for that book to come in the mail.",
... | 1,760,374,565.109865 | ||
https://hackaday.com/2017/12/18/a-dynamometer-for-measuring-motor-power/ | A Dynamometer For Measuring Motor Power | Jenny List | [
"Tech Hacks"
] | [
"dynamometer",
"dyno",
"measurement",
"motors"
] | If you have ever ventured into the world of motor vehicles you may be familiar with a dynamometer, possibly as a machine to which your vehicle is taken for that all-important printout that gives you bragging rights (or not) when it comes to its ability to lay down rubber. A dynamometer is essentially a variable load fo... | 26 | 7 | [
{
"comment_id": "4260166",
"author": "Peter Neilson",
"timestamp": "2017-12-18T16:40:09",
"content": "Can’t let this go by without mention of an early hacker, a fellow named Joule. Yes, THAT guy.https://www.aps.org/publications/apsnews/201506/physicshistory.cfm",
"parent_id": null,
"depth": ... | 1,760,374,564.791166 | ||
https://hackaday.com/2017/12/18/3d-printing-the-final-frontier/ | 3D Printing The Final Frontier | Tom Nardi | [
"Engineering",
"Featured",
"Interviews",
"Slider",
"Space"
] | [
"3d printing",
"cubesat",
"ESA",
"nasa",
"space"
] | While down here there’s room for debate about the suitability of 3D printing for anything more serious than rapid prototyping, few would say the same once you’ve slipped the surly bonds of Earth. With 3D printing, astronauts would have the ability to produce objects and tools on-demand from a supply of inert raw buildi... | 29 | 14 | [
{
"comment_id": "4260086",
"author": "Ostracus",
"timestamp": "2017-12-18T15:28:15",
"content": "“The implications of such technology for deep space travel or off-world settlement simply cannot be overstated.”The Bobiverse series uses this to good effect.",
"parent_id": null,
"depth": 1,
... | 1,760,374,565.054077 | ||
https://hackaday.com/2017/12/18/small-jet-engine-model-from-students-who-think-big/ | Small Jet Engine Model From Students Who Think Big | Roger Cheng | [
"Engine Hacks",
"Microcontrollers"
] | [
"3d printed",
"flow sensor",
"jet",
"jet engine",
"jet turbine",
"microcontroller",
"pressure sensor",
"student project",
"temperature sensor"
] | We love to highlight great engineering student projects at Hackaday. We also love environment-sensing microcontrollers, 3D printing, and jet engines. The
X-Plorer 1 by JetX Engineering
checks all the boxes.
This engineering student exercise took its members through the development process of a jet engine. Starting from... | 21 | 7 | [
{
"comment_id": "4259905",
"author": "Gravis",
"timestamp": "2017-12-18T12:44:38",
"content": "I find it ridiculous that they never actually had the components made out of metal and made a functional engine. I realize their reason was “traditional manufacturing costs” but once you make it out of pl... | 1,760,374,565.165981 | ||
https://hackaday.com/2017/12/18/machined-lightsaber-pen-for-a-more-civilized-age/ | Machined Lightsaber Pen For A More Civilized Age | Tom Nardi | [
"hardware",
"Misc Hacks",
"Slider"
] | [
"lathe",
"light saber",
"metal working",
"star wars"
] | In an increasingly paperless society, writing implements are becoming an obsolete technology for many of us. Certainly not the kind of thing the average person would think to spend more than a couple bucks on, to say nothing of machining one out of a solid piece of aluminum bar stock. But clearly [Bob] is not most peop... | 13 | 7 | [
{
"comment_id": "4260036",
"author": "CM",
"timestamp": "2017-12-18T15:01:56",
"content": "Looks more like a sonic screwdriver",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4260048",
"author": "Olsen",
"timestamp": "2017-12-18T15:05:29",
... | 1,760,374,565.220604 | ||
https://hackaday.com/2017/12/10/fully-functional-oscilloscope-on-a-pic/ | Fully-functional Oscilloscope On A PIC | Bryan Cockfield | [
"Microcontrollers"
] | [
"cornell",
"design",
"electrical engineering",
"microcontroller",
"ntsc",
"oscilloscope",
"pic",
"pic32",
"samples",
"video"
] | When troubleshooting circuits it’s handy to have an oscilloscope around, but often we aren’t in a lab setting with all of our fancy, expensive tools at our disposal. Luckily the price of some basic oscilloscopes has dropped considerably in the past several years, but if you want to roll out your own solution to the “po... | 15 | 6 | [
{
"comment_id": "4245160",
"author": "Biomed",
"timestamp": "2017-12-10T23:26:41",
"content": "Impressive! This would take care of 50% of my needs… and adding a second trace another 20%.But what’s this ” (almost) an engineering degree” stuff? Tons of HAMS have the best EE’s beat hands down. Tim Sam... | 1,760,374,565.387121 | ||
https://hackaday.com/2017/12/10/making-rubber-stamps-with-openscad/ | Making Rubber Stamps With OpenSCAD | Tom Nardi | [
"3d Printer hacks",
"Toy Hacks"
] | [
"3D printed mold",
"mold release",
"openscad",
"rubber stamp",
"urethane"
] | There’s an old saying that goes “If you can’t beat ’em, join ’em”, but around these parts a better version might be “If you can’t buy ’em, make ’em”. A rather large portion of the projects that have graced these pages have been the product of a hacker or maker not being able to find a commercial product to fit their ne... | 21 | 5 | [
{
"comment_id": "4244415",
"author": "Internet",
"timestamp": "2017-12-10T18:08:52",
"content": "What about using laser engraving to produce similar molds?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4244423",
"author": "Internet",
"timest... | 1,760,374,565.447578 | ||
https://hackaday.com/2017/12/10/tapping-into-a-ham-radios-potential-with-sdrplay/ | Tapping Into A Ham Radio’s Potential With SDRPlay | Dan Maloney | [
"Radio Hacks"
] | [
"amateur",
"antenna",
"FT-450D",
"ham",
"Omni-Rig",
"RF",
"sdr",
"sdrplay",
"spectrum",
"waterfall",
"yaesu"
] | Software-defined radios are great tools for the amateur radio operator, allowing visualization of large swaths of spectrum and letting hams quickly home in on faint signals with the click of a mouse. High-end ham radios often have this function built in, but by
tapping into the RF stage of a transceiver with an SDR
, e... | 18 | 12 | [
{
"comment_id": "4243505",
"author": "Ostracus",
"timestamp": "2017-12-10T15:07:43",
"content": "“A little sleuthing with the Yaesu manual — ham radio gear almost always includes schematics …”Days of yore when PCs use to have that.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,565.504762 | ||
https://hackaday.com/2017/12/10/rock-out-with-the-nod-bang/ | Rock Out With The Nod Bang | Will Sweatman | [
"Arduino Hacks",
"Musical Hacks"
] | [
"headphones"
] | In our years here on Hackaday, we’ve seen our fair share of musical hacks. They even have their own category! (Pro Tip – you can find it under the drop down menu in the Categories section). But this one takes the cake. [Andrew Lee] is a student at New York University who had a task of creating a project for his physica... | 7 | 5 | [
{
"comment_id": "4243387",
"author": "Ken N",
"timestamp": "2017-12-10T12:48:39",
"content": "A great start. I can immediately see that always having to nod to drive the beat will get old pretty fast, but an easy upgrade would be to use nods to set the beat (like tap timing that already exists in ma... | 1,760,374,565.560845 | ||
https://hackaday.com/2017/12/10/spice-up-your-dice-with-bluetooth/ | Spice Up Your Dice With Bluetooth | Sven Gregori | [
"Wireless Hacks"
] | [
"accelerometer",
"bluetooth",
"board games",
"dice",
"leds"
] | There’s no shortage of projects that replace your regular board game dice with an electronic version of them, bringing digital features into the real world. [Jean] however goes the other way around and brings the real world into the digital one with his
Bluetooth equipped electronic dice
.
These dice are built around a... | 19 | 9 | [
{
"comment_id": "4243192",
"author": "Alphatek",
"timestamp": "2017-12-10T09:31:51",
"content": "Quality work. Dice hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4243310",
"author": "Notimpressed",
"timestamp": "2017-12-10T11:36:29",
"conten... | 1,760,374,565.617074 | ||
https://hackaday.com/2017/12/09/frankenkorg-or-the-modern-remote-keyboard/ | FrankenKorg: The Modern Remote Keyboard | James Hobson | [
"Musical Hacks"
] | [
"atmega",
"frankenstein",
"instrument",
"keytar",
"korg",
"music"
] | On a dreary night in November, [Smecher] collected the instruments of electronic life around him to infuse a musical spark into
FrankenKorg
— a resurrected keytar.
This hack is a “re-braining” of a RK-100 Korg Keytar, replacing the original circuits with an ATMega32 — the original functionality and appearance are prese... | 7 | 3 | [
{
"comment_id": "4246275",
"author": "Ren",
"timestamp": "2017-12-11T18:51:43",
"content": "” In light of that, the original boards were ditched after a brief investigation, ”Where are the commenters that scream“You threw out the guts and replaced them with a modern circuit!” “Heresy!”in all the oth... | 1,760,374,565.66472 | ||
https://hackaday.com/2017/12/09/camping-in-a-corolla/ | Camping In A…. Corolla? | James Hobson | [
"Transportation Hacks"
] | [
"camper",
"camping",
"car",
"conversion",
"Corolla",
"Memory Foam",
"toyota"
] | A weekend away camping in the wilds can do wonders for one’s sanity, and the joy of spending it in a recently converted camping vehicle adds to the delight. In a twist on the conventional camper, redditor [Gongfucius] and his wife have converted their 2005 Toyota Corolla into the perfect
getaway vehicle for two
.
To ma... | 72 | 27 | [
{
"comment_id": "4242865",
"author": "Ostracus",
"timestamp": "2017-12-10T03:08:51",
"content": "Something to keep in mind next time the economy tanks.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4243111",
"author": "Richard Collins",
"tim... | 1,760,374,565.853569 | ||
https://hackaday.com/2017/12/09/mit-is-building-a-better-3d-printer/ | MIT Is Building A Better 3D Printer | Tom Nardi | [
"3d Printer hacks",
"hardware",
"Laser Hacks"
] | [
"3d printing",
"extruder",
"hot end",
"laser",
"mit"
] | Traditional desktop 3D printing technology has effectively hit a wall. The line between a $200 and a $1000 printer is blurrier now than ever before, and there’s a fairly prevalent argument in the community that you’d be better off upgrading two cheap printers and pocketing the change than buying a single high-end print... | 79 | 22 | [
{
"comment_id": "4242739",
"author": "Dax",
"timestamp": "2017-12-10T00:10:18",
"content": "That’s still pushing plastic through a single nozzle, which requires rapid movements and lots of noise and energy.The obvious solution is to borrow from inkejt printers where the ink is pumped out by a piezoe... | 1,760,374,565.980254 | ||
https://hackaday.com/2017/12/09/finished-dryer-will-text-you/ | Finished Dryer Will Text You | Rich Hawkes | [
"hardware",
"home hacks"
] | [
"espurna",
"internet of things",
"ITead Sonoff",
"laundry",
"laundry monitor",
"powershell"
] | Here’s a slightly different way to check on the status of your laundry. Instead of checking if the machine is vibrating, or listening for sound, or pulling everything apart and hacking an ESP8266 into it, check the power that the machine is drawing. This is what [Scrand] did in his
IoT dryer build
.
The secret behind t... | 35 | 9 | [
{
"comment_id": "4242582",
"author": "Jeff",
"timestamp": "2017-12-09T21:07:05",
"content": "My drier has a rotating dial. I attached a tilt sensor to it hooked to a ESP8266. $5 and done.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4242720",
"auth... | 1,760,374,566.229704 | ||
https://hackaday.com/2017/12/09/pogo-pins-make-light-work-of-iot-switches/ | Pogo Pins Make Light Work Of IoT Switches | Jenny List | [
"Microcontrollers"
] | [
"ESP8266",
"mains switch",
"Pogo pin"
] | Living in a condo with inadequate opportunity for fresh light wiring presented a problem for [Raphael Luckom], which he solved by taking a few off-the-shelf ESP8266-based IoT mains switches. That in itself is nothing particularly new these days, but what makes his switches special is that when faced with fiddly solderi... | 7 | 3 | [
{
"comment_id": "4242470",
"author": "Timminater",
"timestamp": "2017-12-09T19:20:54",
"content": "Why dont use a sonoff s20?cheaper, same CPU and has a programming pcb, only need to solder a 4 pin header.at the moment on action at Banggood btw:https://goo.gl/c43UABeasy to flash easyesp of tasmota",... | 1,760,374,566.023355 | ||
https://hackaday.com/2017/12/09/ask-hackaday-prove-santa-exists/ | Ask Hackaday: Prove Santa Exists | Jenny List | [
"Ask Hackaday",
"Holiday Hacks"
] | [
"Father Christmas",
"Grandfather Frost",
"Santa Claus",
"St. Nicholas"
] | There is no question, that Santa Claus exists. He’s real, with the sleigh, the beard, and the reindeer and everything. He distributes gifts to billions of children in an evening, squeezes down a billion chimneys without getting that stylish red outfit dirty, and gets back home to the North Pole before sunrise. What mor... | 63 | 27 | [
{
"comment_id": "4242208",
"author": "Ostracus",
"timestamp": "2017-12-09T15:27:26",
"content": "Pepper’s Ghost combined with hallucinogenics.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4242210",
"author": "ping-panther",
"timestamp": "2017-12-09T1... | 1,760,374,566.123924 | ||
https://hackaday.com/2017/12/09/feed-your-cat-the-modern-way/ | Feed Your Cat The Modern Way | Jenny List | [
"home hacks"
] | [
"cat",
"cat feeder",
"cat food",
"ESP8266",
"NodeMCU"
] | Feeding the cat should be a moment of magic, in which you bond with your adorable pet as she rubs seductively against your ankles. As you place the saucer of tender and moist meaty chunks on the floor, she bounds the length of your kitchen, excited expression on her little kitty face, and tail in the air.
If Hackaday m... | 17 | 8 | [
{
"comment_id": "4242064",
"author": "Chrischi",
"timestamp": "2017-12-09T13:00:20",
"content": "Nice one. Take a look at my CatFeederhttps://hackaday.io/project/20428-meow",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4242143",
"author": "polobunny... | 1,760,374,566.281548 | ||
https://hackaday.com/2017/12/09/never-let-your-christmas-tree-run-dry-with-added-ultrasound/ | Never Let Your Christmas Tree Run Dry, With Added Ultrasound | Jenny List | [
"Holiday Hacks"
] | [
"chip",
"SMS text",
"ultrasonic",
"ultrasonic rangefinder"
] | Winter in the parts of the Northern Hemisphere for which observing Christmas includes bringing half a forest into the house should really be divided into two seasons. No-spruce-needles-in-the-carpet season, and spruce-needles-doggedly-clinging-to-the-carpet season. Evergreen trees were not designed for indoor use, and ... | 10 | 4 | [
{
"comment_id": "4241904",
"author": "Biomed",
"timestamp": "2017-12-09T10:25:00",
"content": "Nice idea. Now I can throw out that slowly yellowing ping pong ball used for a “see it all the way across the room” water level indicator these past 20+ years.",
"parent_id": null,
"depth": 1,
... | 1,760,374,566.32872 | ||
https://hackaday.com/2017/12/08/bluetooth-speaker-in-a-bag/ | Bluetooth Speaker In A Bag | James Hobson | [
"Musical Hacks",
"Wireless Hacks"
] | [
"bag",
"bluetooth",
"charger",
"flashlight",
"speaker"
] | [VanTourist] — irked by what he sees as complicated project videos — has demonstrated that you can build a high quality, multi-function Bluetooth speaker
inside three hours
.
Using simple hand tools — primarily a crimper, wire stripper, razor cutter and some glue — he’s packed this repurposed GoPro accessory bag with q... | 10 | 3 | [
{
"comment_id": "4241774",
"author": "echodelta",
"timestamp": "2017-12-09T07:49:34",
"content": "And I can destroy blurtooth noise makers in 3 seconds if they are playing in the same soundspace that I am in.There, is a jammer that has a public use for something no one needs in an emergency.",
"... | 1,760,374,566.37658 | ||
https://hackaday.com/2017/12/08/a-wireless-webcam-without-a-cumbersome-cloud-service/ | A Wireless Webcam Without A Cumbersome Cloud Service | James Hobson | [
"Portable Video Hacks",
"Raspberry Pi",
"Wireless Hacks"
] | [
"camera",
"motion",
"Nanny cam",
"open source",
"security",
"stream",
"webcam",
"wireless"
] | After a friend bought a nannycam that required the use of a cloud service to make the device useful, [Martin Caarels] thought to himself — as he puts it — ”
I can probably do this with a Raspberry Pi!
”
Altogether, [Caarels] gathered together a 4000mAh battery, a Raspberry Pi 3 with a micro SD card for storage, a Logi... | 42 | 12 | [
{
"comment_id": "4241529",
"author": "jonsmirl",
"timestamp": "2017-12-09T03:14:24",
"content": "Much cheaper to buy a $20 security camera with ONVIF support.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4241540",
"author": "starhawk",
"tim... | 1,760,374,566.606266 | ||
https://hackaday.com/2017/12/08/restoring-a-piece-of-musical-history/ | Restoring A Piece Of Musical History | Anool Mahidharia | [
"Musical Hacks"
] | [
"analog synthesizer",
"Jupiter 8",
"keyboard",
"restoration",
"roland",
"synthesizer"
] | Every restoration project involves various levels of grit, determination, gumption and doggedness. But [Darren Glen]’s
restoration of a Jupiter-8
is an absolute labor of love. The
Jupiter-8
, launched by Roland in 1981, was their flagship “polyphonic analog subtractive” synthesizer and was used by many legendary acts ... | 14 | 5 | [
{
"comment_id": "4241410",
"author": "BD594",
"timestamp": "2017-12-09T00:45:08",
"content": "gimmie",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4241418",
"author": "MK 2",
"timestamp": "2017-12-09T00:50:42",
"content": "I used to own one of the... | 1,760,374,566.522972 | ||
https://hackaday.com/2017/12/08/driver-board-makes-nixie-projects-easier-than-ever/ | Driver Board Makes Nixie Projects Easier Than Ever | Dan Maloney | [
"classic hacks",
"clock hacks"
] | [
"driver",
"IN-12",
"IN-14",
"nixie",
"pwm",
"rgb",
"spi",
"STM32 F3"
] | We know, we know — yet another Nixie clock. But really, this one has a neat trick:
an easy to use, feature packed driver for Nixies
that makes good-looking projects a snap.
As cool as Nixies are — we’ll admit that to a certain degree, familiarity breeds contempt — they can be tricky to integrate. [dekuNukem] notes that... | 13 | 5 | [
{
"comment_id": "4241249",
"author": "kai4065",
"timestamp": "2017-12-08T22:21:51",
"content": "Boooring. If you can use tubes like some sort of 7 Seg. LED Display, where’s the fun building one?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4241252",
... | 1,760,374,566.663676 | ||
https://hackaday.com/2017/12/08/danielle-applestone-building-the-workforce-of-2030/ | Danielle Applestone: Building The Workforce Of 2030 | Dan Maloney | [
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"assembly",
"automation",
"cnc",
"employment",
"manufacturing",
"outreach",
"stem",
"workers",
"workforce"
] | You wake up one morning with The Idea — the one new thing that the world can’t do without. You slave away at it night and day, locked in a garage expending the perspiration that Edison said was 99 percent of your job. You Kickstart, you succeed, you get your prototypes out the door. Orders for the new thing pour in, yo... | 46 | 14 | [
{
"comment_id": "4241062",
"author": "Ren",
"timestamp": "2017-12-08T19:44:10",
"content": "So, how do we go about getting all those tiny County Libraries around the country an Anet A8?B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4241070",
"author": ... | 1,760,374,566.754663 | ||
https://hackaday.com/2017/12/08/radiosondes/ | Radiosondes: Getting Data From Upstairs | Dan Maloney | [
"Misc Hacks",
"Slider"
] | [
"barometer",
"helium",
"hydrogen",
"radiosonde",
"sonde",
"telemetry",
"thermometer",
"weather",
"weather balloon"
] | Ever since I first learned about radiosondes as a kid, I’ve been fascinated by them. To my young mind, the idea that weather bureaus around the world would routinely loft instrument-laden packages high into the atmosphere to measure temperature, pressure, and winds aloft seemed extravagant. And the idea that this telem... | 41 | 20 | [
{
"comment_id": "4240966",
"author": "Shrek",
"timestamp": "2017-12-08T18:11:44",
"content": "“In the age of the vacuum tube, radiosondes were obviously somewhat chunky,”At first glance I read “In the age before the vacuum tube”I was a bit excited to read on and learn just how THAT worked!!",
"p... | 1,760,374,566.832214 | ||
https://hackaday.com/2017/12/08/coin-cell-challenge-jump-starting-a-car/ | Coin Cell Challenge: Jump Starting A Car | Tom Nardi | [
"contests"
] | [
"boost converter",
"coin cell",
"jump start",
"supercapacitor"
] | Clearly a believer in the old adage, “Go Big or Go Home”, [Ted Yapo] has decided to do something that
seems
impossible at first glance:
starting his car with a CR2477 battery
. He’s done the math and it looks promising, though it’s yet to be seen if the real world will be as accommodating. At the very least, [Ted]
foun... | 80 | 21 | [
{
"comment_id": "4240832",
"author": "jcwren",
"timestamp": "2017-12-08T16:32:25",
"content": "It’ll be a product on Kickstarter next week.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4240845",
"author": "Nevermnd",
"timestamp": "2017-12-0... | 1,760,374,566.951464 | ||
https://hackaday.com/2017/12/08/how-cheap-can-a-3d-printer-get-the-anet-a8/ | How Cheap Can A 3D Printer Get? The Anet A8 | Elliot Williams | [
"3d Printer hacks",
"Reviews"
] | [
"3d printer",
"A8",
"anet a8",
"cheap",
"cheap 3D printers",
"review",
"work"
] | The short answer: something like $200, if your time is worth $0/hour. How is this possible? Cheap kit printers, with laser-cut acrylic frames, but otherwise reasonably solid components. In particular, for this review, an Anet A8. If you’re willing to add a little sweat equity and fix up some of the bugs, an A8 can be t... | 89 | 48 | [
{
"comment_id": "4240738",
"author": "DimkaS",
"timestamp": "2017-12-08T15:18:55",
"content": "Anet A6 has more rigid frame and its price is almost the same as A8.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4240745",
"author": "Alphatek",
... | 1,760,374,567.262763 | ||
https://hackaday.com/2017/12/08/fill-your-hot-tub-with-sand-for-science/ | Fill Your Hot Tub With Sand. For Science! | Lewin Day | [
"classic hacks"
] | [
"fluid bed",
"fluidized bed",
"hot tub",
"sand",
"science",
"spa"
] | Here at Hackaday, we can understand if you don’t like sand. It’s coarse, rough and irritating, and it gets everywhere. With that said,
[Mark Rober] discovered a great way to have fun with sand right in your own back garden.
We’ll preface this by stating that this isn’t the easiest hack to pull off on a lazy Saturday af... | 62 | 18 | [
{
"comment_id": "4240519",
"author": "Darren",
"timestamp": "2017-12-08T12:13:46",
"content": "Am I the only one that thought, what would happen if the air compressor crapped out when one of the kids went under the sand?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,567.054307 | ||
https://hackaday.com/2017/12/08/curbside-mower-gets-electric-transplant/ | Curbside Mower Gets Electric Transplant | Tom Nardi | [
"Engine Hacks",
"hardware",
"Tool Hacks"
] | [
"dewalt",
"electric conversion",
"electric mower",
"trash"
] | There’s few things more exciting to a hacker or maker than seeing a piece of hardware on the curb. An old computer, an appliance, maybe if you’re really lucky some power tools. So we can only imagine the rush that known lawn equipment aficionado [AmpEater] had when he saw a seemingly intact push mower in the trash. The... | 28 | 11 | [
{
"comment_id": "4240362",
"author": "AKA the A",
"timestamp": "2017-12-08T09:59:12",
"content": "“much lower cost”The battery packs alone must cost as much several years worth of a paid contractor doing the yard work…",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,567.120315 | ||
https://hackaday.com/2017/12/07/biometric-authentication-with-a-cheap-usb-hub/ | Biometric Authentication With A Cheap USB Hub | Tom Nardi | [
"computer hacks",
"hardware",
"Security Hacks"
] | [
"authentication",
"biometric",
"fingerprint scanner",
"libpam-fprintd",
"thinkpad",
"USB hub"
] | It’s fair to say that fingerprints aren’t necessarily the best idea for device authentication, after all, they’re kind of everywhere. But in some cases, such as a device that never leaves your home, fingerprints are an appealing way to speed up repetitive logins. Unfortunately, fingerprint scanners aren’t exactly ubiqu... | 26 | 7 | [
{
"comment_id": "4240202",
"author": "sexton16",
"timestamp": "2017-12-08T07:09:50",
"content": "https://www.aliexpress.com/item/Security-USB-Biometric-Fingerprint-Reader-Password-Lock-For-Computer-Laptop-PC-L059-New-hot/32818596252.html",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,567.32964 | ||
https://hackaday.com/2017/12/07/diy-wooden-building-blocks/ | DIY Wooden Building Blocks | Rich Hawkes | [
"Toy Hacks"
] | [
"shop tools",
"tinkertoys",
"toys"
] | If you have access to a drill press, saw, and sander, and are looking for a great present for smaller children this holiday season, [Jonny] may have you covered. He’s come up with a pretty good how to on making some
simple block and dowel building blocks similar to the Tinkertoy building set
s
.
This is a fairly simple... | 15 | 7 | [
{
"comment_id": "4240119",
"author": "Tom",
"timestamp": "2017-12-08T05:34:53",
"content": "This looks very cool. I’d like to see a little more control over the subtle elements that will make or break the success of the toy though.For example, there are lots of lego copies on the market, but lego st... | 1,760,374,567.485344 | ||
https://hackaday.com/2017/12/07/hands-on-with-pocketbeagle/ | Hands On With PocketBeagle | Al Williams | [
"ARM",
"Linux Hacks"
] | [
"beagleboard",
"beaglebone",
"ken shirriff",
"PocketBeagle"
] | [Ken Shirriff] is no stranger to the pages of Hackaday. His blog posts are always interesting, and the recent one talking about the
PocketBeagle
is no exception. If you are old enough to remember the days when a Unix workstation set you back tens of thousands of dollars, you won’t be able to help yourself marveling at ... | 31 | 10 | [
{
"comment_id": "4239838",
"author": "Gravis",
"timestamp": "2017-12-08T00:47:31",
"content": "“512K of RAM”? I’m pretty sure it has a smidgen more than that. 640K at least! ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4239869",
"author": "jac... | 1,760,374,567.554371 | ||
https://hackaday.com/2017/12/07/another-defeat-of-the-intel-management-engine/ | Another Defeat Of The Intel Management Engine | Bryan Cockfield | [
"Slider",
"Software Hacks"
] | [
"Black Hat",
"black hat europe 2017",
"flaw",
"intel",
"management engine",
"security",
"vulnerability"
] | If you have a computer with an Intel processor that’s newer than about 2007, odds are high that it also contains a mystery software package known as the Intel Management Engine (ME). The ME has complete access to the computer below the operating system and can access a network, the computer’s memory, and many other par... | 53 | 13 | [
{
"comment_id": "4239640",
"author": "Nevermnd",
"timestamp": "2017-12-07T21:19:30",
"content": "Not to state the obvious– an ‘Intel’ fan myself– But I’m presuming also this applies only to Intel (not x86 generally), so rather than going ‘stone age’, buy AMD (?)",
"parent_id": null,
"depth":... | 1,760,374,567.64541 | ||
https://hackaday.com/2017/12/07/alan-yates-introduction-to-vacuum-technology/ | Alan Yates: Introduction To Vacuum Technology | Jenny List | [
"cons",
"hardware"
] | [
"2017 Hackaday Superconference",
"alan yates",
"Hackaday SuperConference",
"Superconference",
"vacuum",
"vacuum technology"
] | When we mention vacuum technology, it’s not impossible that many of you will instantly turn your minds to vacuum tubes, and think about triodes, or pentodes. But while there is a lot to interest the curious in the electronics of yesteryear, they are not the only facet of vacuum technology that should capture your atten... | 17 | 7 | [
{
"comment_id": "4239653",
"author": "BillSF9c",
"timestamp": "2017-12-07T21:27:49",
"content": "Grade A Overview / Primer. Will be looking for Alan’s other HaDs. For a geek, (us or him) he is a phun kinda guy! We may have to grow up, but we can still play with our toys or make them.",
"parent_i... | 1,760,374,567.703838 | ||
https://hackaday.com/2017/12/06/measuring-hf-signal-speeds-in-a-diy-coaxial-collinear-antenna/ | Measuring HF Signal Speeds In A DIY Coaxial Collinear Antenna | Inderpreet Singh | [
"Wireless Hacks"
] | [
"antenna",
"RTL",
"sdr"
] | Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted by the aircraft and contains information such as GPS position, pressure, altitude, and callsign among other things at a 1090 MHz frequency, which can be decoded... | 4 | 4 | [
{
"comment_id": "4238635",
"author": "Thinkerer",
"timestamp": "2017-12-07T02:44:02",
"content": "You may mean pressure altitude (ADS-B also reports geometric altitude), but at any rate since I’m under a final approach path this might be an interesting things to tinker with – great article!",
"p... | 1,760,374,567.751519 | ||
https://hackaday.com/2017/12/06/snitch-on-your-ac-devices-with-stolen-power/ | Snitch On Your AC Devices With Stolen Power | Lewin Day | [
"classic hacks"
] | [
"ac",
"AC power",
"arm",
"current transformer",
"low power",
"power saving"
] | Low power devices are always intriguing, as they open up possibilities for applications with the need to operate remotely, or for very long periods without attention. There are all manner of techniques for powering such devices, too, such as using solar panels, super capacitors, or other fancy devices.
The Micro Power ... | 14 | 7 | [
{
"comment_id": "4238328",
"author": "Olsen",
"timestamp": "2017-12-06T21:34:30",
"content": "Gotta read this!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4238459",
"author": "janostman",
"timestamp": "2017-12-06T23:08:25",
"content": "Its not r... | 1,760,374,567.800804 | ||
https://hackaday.com/2017/12/06/sarah-petkus-on-building-a-cartoon-to-go-to-mars/ | Sarah Petkus On Building A Cartoon To Go To Mars | Brian Benchoff | [
"cons",
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"noodle feet",
"robots",
"Sarah"
] | Sarah Petkus is a robot mom (which means she’s the mother to a robot, not that Sarah herself is a robot, at least as far as we’re aware), whose child, Noodle Feet, is a character in Sarah’s graphic novel
Gravity Road
. Unlike every other robot on the planet, Noodle Feet is a content-based robot. Instead of robotic arms... | 24 | 14 | [
{
"comment_id": "4238191",
"author": "Josh",
"timestamp": "2017-12-06T20:07:43",
"content": "Yes, it seems weird up front, but check out some of her vlogs. Noodle Feet is actually a pretty interesting ‘bot. And kind of endearingly adorable, what with the graphic novel integration and such.",
"pa... | 1,760,374,567.977749 | ||
https://hackaday.com/2017/12/06/the-last-interesting-rover-had-a-gas-turbine-engine/ | The Last Interesting Rover Had A Gas Turbine Engine | Jenny List | [
"car hacks",
"Engine Hacks",
"History"
] | [
"British Leyland",
"car",
"engine",
"rover",
"turbine",
"turboshaft"
] | If you have a car parked outside as you are reading this, the overwhelming probability is that it has a reciprocating piston engine powered by either petrol(gasoline), or diesel fuel. A few of the more forward-looking among you may own a hybrid or even an electric car, and fewer still may have a piston engine car power... | 57 | 12 | [
{
"comment_id": "4238107",
"author": "Chris (MN)",
"timestamp": "2017-12-06T18:25:28",
"content": "What, no (clear) pics in the article of the turbine engine?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4238225",
"author": "Ren",
"timestam... | 1,760,374,568.078778 | ||
https://hackaday.com/2017/12/06/friday-hack-chat-contributing-to-open-source-development/ | Friday Hack Chat: Contributing To Open Source Development | Brian Benchoff | [
"Hackaday Columns"
] | [
"96Boards",
"contributions",
"Hack Chat",
"open hardware",
"open source"
] | Open Source is how the world runs. Somewhere, deep inside the box of thinking sand you’re sitting at right now, there’s code you can look at, modify, compile, and run for yourself. At every point along the path between your router and the horrific WordPress server that’s sending you this webpage, there are open source ... | 13 | 4 | [
{
"comment_id": "4238064",
"author": "Richard",
"timestamp": "2017-12-06T17:26:49",
"content": "How do you make a living by working on Open Source projects from home?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4238091",
"author": "Ostracus",
... | 1,760,374,567.909953 | ||
https://hackaday.com/2017/12/06/casein-cello-carrotinet-and-copper-oxide-science-grab-bag/ | Casein, Cello, Carrotinet, And Copper Oxide, Science Grab Bag | Brian McEvoy | [
"chemistry hacks",
"Musical Hacks"
] | [
"astrophotography",
"casein",
"cello",
"clarinet",
"conductive",
"conductive paint",
"crystal garden",
"music",
"vegetable"
] | One of our favorite turnips, oops, citizen scientists [The Thought Emporium], has released his second
Grab Bag video
which can also be seen after the break. [The Thought Emporium] dips into a lot of different disciplines as most of us are prone to do. Maybe one of his passions will get your creative juices flowing and ... | 3 | 3 | [
{
"comment_id": "4237991",
"author": "Ostracus",
"timestamp": "2017-12-06T16:24:58",
"content": "” Or maybe it will convince some clever folks to take better notes so they can share with the rest of the world.”Geeks and documentation. Uphill all the way.",
"parent_id": null,
"depth": 1,
... | 1,760,374,568.18452 | ||
https://hackaday.com/2017/12/06/when-is-a-10-bit-a-d-an-8-bit-a-d/ | When Is A 10-bit A/D An 8-bit A/D? | Al Williams | [
"Hackaday Columns",
"hardware",
"Microcontrollers"
] | [
"adc",
"analog to digital",
"dithering",
"effective number of bits",
"enob",
"noise"
] | Marketing guys love bigger numbers. Bigger is better, right? After all, Subway called it a “footlong” not an 11-incher. So when it comes to analog to digital (A/D) conversion, more bits are better, right? Well, that depends. It is easy to understand that an A/D will have a low and high measurement and the low will be z... | 25 | 11 | [
{
"comment_id": "4237887",
"author": "Xykon42",
"timestamp": "2017-12-06T15:15:42",
"content": "Not every bit is worth 4mV in your example. The first is 1mV, the second 2mV and so on.Otherwise, great article. Thanks!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,568.254775 | ||
https://hackaday.com/2017/12/07/radio-amateuring-like-its-1975/ | Radio Amateuring Like It’s 1975 | Jenny List | [
"Radio Hacks"
] | [
"amateur radio",
"ham radio",
"radio"
] | It was a tweet from an online friend in the world of amateur radio, featuring a transmitter design published in
Sprat
, the journal of the G-QRP club for British enthusiasts of low-power radio. The transmitter was very simple, but seriously flawed: keying the power supply line would cause it to exhibit key clicks and f... | 33 | 17 | [
{
"comment_id": "4239535",
"author": "MikePDX",
"timestamp": "2017-12-07T19:27:18",
"content": "In agreeing with you, I’ll observe that amateur radio is like sailing. It’s beautiful how a few discrete parts and the magic of radio can come together to cross a long distance. Just as a few bits of wood... | 1,760,374,568.424362 | ||
https://hackaday.com/2017/12/07/the-internet-of-non-electronic-things/ | The Internet Of Non-Electronic Things | Dan Maloney | [
"3d Printer hacks",
"Radio Hacks"
] | [
"attenuation",
"backscatter",
"conductive",
"dipole",
"filament",
"mechanical",
"reflection",
"wifi"
] | The bill of materials for even the simplest IoT project is likely to include some kind of microcontroller with some kind of wireless module. But could the BOM for a useful IoT thing someday list only a single item? Quite possibly, if
these electronics-less 3D-printed IoT devices
are any indication.
While you may think ... | 10 | 5 | [
{
"comment_id": "4239394",
"author": "Ostracus",
"timestamp": "2017-12-07T16:38:56",
"content": "“It’s a surprisingly simple system, and although the devices shown might need some mechanical tune-ups, the proof of concept has a lot of potential.”Turning the human eardrum into a kind of bug.",
"p... | 1,760,374,568.349093 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.