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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/12/28/ergonomic-keyboard-designed-from-the-ground-up/ | Ergonomic Keyboard Designed From The Ground Up | Bryan Cockfield | [
"computer hacks"
] | [
"3d printed",
"arduino",
"cherry mx",
"custom",
"ergonomic",
"keyboard",
"oled",
"Teensy"
] | In 2011, [Fabio] had been working behind a keyboard for about a decade when he started noticing wrist pain. This is a common long-term injury for people at desk jobs, but rather than buy an ergonomic keyboard he decided that none of the commercial offerings had all of the features he needed. Instead, he set out on a
fi... | 15 | 9 | [
{
"comment_id": "4277810",
"author": "brett",
"timestamp": "2017-12-28T21:32:05",
"content": "QMK firmware is very popular in the mechanical keyboard community with tons of features, runs on avr processors and has some support for arm boards as well.http://qmk.fm/https://github.com/qmk/qmk_firmware"... | 1,760,374,545.566249 | ||
https://hackaday.com/2017/12/28/hackaday-superconference-cory-grosser/ | Hackaday Superconference Talk: Cory Grosser | Jenny List | [
"cons",
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"Cory Grosser",
"design",
"Supplyframe Design Lab"
] | When we look at a product or project here at Hackaday it is likely that our interest has been caught by its internal technology, or perhaps by its functionality. It is easy to forget that there is another angle to each and every item that graces these pages, and it is every bit as important as those we have already men... | 4 | 2 | [
{
"comment_id": "4277764",
"author": "Pete",
"timestamp": "2017-12-28T19:48:29",
"content": "I’ve always disliked the design of our silverware, as the handle outweighs the working end, meaning they won’t stay in the bowl or on the plate. My functional considerations were outweighed by the SO’s appr... | 1,760,374,545.268549 | ||
https://hackaday.com/2017/12/27/34c3-the-first-day-is-a-doozy/ | 34C3: The First Day Is A Doozy | Elliot Williams | [
"cons",
"Featured",
"News"
] | [
"34C3",
"bbs",
"chaos communication congress",
"Intel Management Engine",
"lidar",
"roomba"
] | It’s 5 pm, the sun is slowly setting on the Leipzig conference center, and although we’re only halfway through the first day, there’s a ton that you should see. We’ll report some more on the culture of the con later — for now here’s just the hacks.
Electric Car Charging Stations: Spoofing and Reflashing
Electric autos ... | 8 | 3 | [
{
"comment_id": "4276834",
"author": "mogwopjr",
"timestamp": "2017-12-28T01:02:32",
"content": "That was truly, to my layman’s eye, the Ultimate Apollo Guidance Computer Talk.WOW.I hope Fran Blanch and Dave catch the replay.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,374,545.324084 | ||
https://hackaday.com/2017/12/27/dead-ebay-thermal-camera-is-an-organ-donor/ | Dead EBay Thermal Camera Is An Organ Donor | Al Williams | [
"digital cameras hacks"
] | [
"flir",
"Flir lepton",
"lepton",
"lepton module"
] | [Damien] wanted to build a thermal camera. He was dismayed about how much a microbolometer costs so
he salvaged one from a dead FLIR he picked up on eBay for 75 pounds
. That’s about $100, and less than half what a new sensor costs. He selected one that didn’t turn on, which he hoped meant the Lepton 3 160×120 pixel mi... | 16 | 4 | [
{
"comment_id": "4276596",
"author": "sashi ono",
"timestamp": "2017-12-27T21:45:16",
"content": "Cool use of the breakout board.http://www.pureengineering.com/projects/lepton",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4276672",
"author": "William DeRi... | 1,760,374,545.381415 | ||
https://hackaday.com/2017/12/27/3d-printed-airplane-engine-runs-on-air/ | 3D Printed Airplane Engine Runs On Air | Bryan Cockfield | [
"Engine Hacks"
] | [
"3d prining",
"airplane",
"compressed air",
"engine",
"motor",
"piston",
"propeller",
"rc"
] | One of the most important considerations when flying remote-controlled airplanes is weight. Especially if the airplane has a motor, this has a huge potential impact on weight. For this reason, [gzumwalt] embarked on his own self-imposed challenge to
build an engine with the smallest weight and the lowest parts count po... | 13 | 7 | [
{
"comment_id": "4276504",
"author": "starhawk",
"timestamp": "2017-12-27T20:06:10",
"content": "Thermoacoustic engine. It’s a very strange stirling variant that, in principle, requires only one moving part (the piston), and the tolerances are so generous that you can literally make it out of scraps... | 1,760,374,545.939214 | ||
https://hackaday.com/2017/12/27/jst-is-not-a-connector/ | JST Is Not A Connector | Roger Cheng | [
"Engineering",
"Hackaday Columns",
"Parts"
] | [
"connector",
"JST",
"series",
"specification",
"standards"
] | When reading about cool projects and products, it’s common to see wiring plugs labelled “JST connector.” This looks fine until we start getting hands-on and begin hacking things together. Inevitably we find the JST connector from one part fails to fit in the JST connector of another. This is the moment we learn “JST” i... | 45 | 21 | [
{
"comment_id": "4276415",
"author": "Charles Beyer",
"timestamp": "2017-12-27T18:13:11",
"content": "Learned this one the hard way a couple months back when getting large capacity batteries for my drone experiment. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,374,545.51663 | ||
https://hackaday.com/2017/12/27/your-3d-printer-could-print-stone/ | Your 3D Printer Could Print Stone | Al Williams | [
"3d Printer hacks",
"Crowd Funding"
] | [
"3d printing clay",
"ceramic",
"clay",
"paste extruder",
"porcelain",
"syringe pump"
] | Most of our 3D printers print in plastic. While metal printing exists, the setup for it is expensive and the less expensive it is, the less impressive the results are. But there are other materials available, including ceramic. You don’t see many hobby-level ceramic printers, but a company, StoneFlower, aims to change... | 38 | 16 | [
{
"comment_id": "4276344",
"author": "Snee",
"timestamp": "2017-12-27T16:44:30",
"content": "A good design for an accessible paste-extruder, but for once I’d like to see a demo of a “new” 3DP tech that doesn’t involve printing only in vase/spiralize contour mode. It’s basically easy mode for any and... | 1,760,374,545.642466 | ||
https://hackaday.com/2017/12/27/2017-as-the-hardware-world-turns/ | 2017: As The Hardware World Turns | Brian Benchoff | [
"Current Events",
"Featured",
"Rants",
"Slider"
] | [
"hardware",
"Year in Review"
] | The year is almost over, and now it’s time to look back on the last fifty-odd weeks. What happened in this year in hacking? 2017 will go down as the beginning of another AI renaissance, although we’re not going to call it that; this year was all about neural nets and machine learning and advancements resulting from the... | 28 | 13 | [
{
"comment_id": "4276295",
"author": "dcfusor2015",
"timestamp": "2017-12-27T15:43:17",
"content": "Who cares about a bug in Wine? Only gamers and fools use it, there are plenty of native solutions for all else, or by golly, like me you can write your own code to talk to that esoteric chinese compu... | 1,760,374,545.72192 | ||
https://hackaday.com/2017/12/27/balance-like-a-mountain-goat-on-this-simple-stewart-platform/ | Balance Like A Mountain Goat On This Simple Stewart Platform | Dan Maloney | [
"Microcontrollers"
] | [
"accelerometer",
"goat",
"Gough-Stewart platform",
"microcontroller",
"MPU-6050",
"pic32",
"stepper"
] | No goats were harmed in the making of
this 3-DOF Stewart platform
for [Bruce Land]’s microcontrollers course at Cornell.
If the name “Stewart platform” doesn’t ring a bell, the video below will help you out. [Team Microgoats] built a small version of the mechanical system commonly seen in flight simulators, opting for ... | 4 | 4 | [
{
"comment_id": "4276452",
"author": "dave",
"timestamp": "2017-12-27T18:59:55",
"content": "my radio control helicopter has a flight controller that does this with 3 servos and a 120 degree swash plate. flybarless controllers like this have been around for years.",
"parent_id": null,
"depth... | 1,760,374,545.426788 | ||
https://hackaday.com/2017/12/27/aireon-hitchhikes-on-iridium-to-track-airplanes/ | Aireon Hitchhikes On Iridium To Track Airplanes | Roger Cheng | [
"Network Hacks",
"Radio Hacks"
] | [
"ads-b",
"air traffic control",
"ais",
"aviation",
"gps",
"gps tracker",
"hacking satellites",
"Iridium NEXT",
"payload",
"satellite communication",
"Satellites",
"ships",
"SpaceX",
"transponder"
] | SpaceX just concluded 2017 by launching 10 Iridium NEXT satellites. A footnote on the launch was the “hosted payload” on board each of the satellites: a small box of equipment from
Aireon.
They will track every aircraft around the world in real-time, something that has been technically possible but nobody claimed they ... | 21 | 7 | [
{
"comment_id": "4276015",
"author": "Karol Wojtyla Pogromca Kutasow",
"timestamp": "2017-12-27T10:47:39",
"content": "This system really might help in tracking planes if something like 9/11 is to repeat.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "427632... | 1,760,374,545.884726 | ||
https://hackaday.com/2017/12/26/vacuum-molding-with-kitchen-materials/ | Vacuum Molding With Kitchen Materials | Brian McEvoy | [
"how-to"
] | [
"carbon fiber",
"epoxy",
"fiber",
"fiberglass",
"Fibre",
"glas",
"glass",
"glassing",
"longboard",
"vacuum"
] | Vacuum pumps are powerful tools because the atmospheric pressure on our planet’s surface is strong. That pressure is enough to crush evacuated vessels with impressive implosive force. At less extreme pressure differences, [hopsenrobsen] shows us how to cleverly use kitchen materials for
vacuum molding fiberglass parts
... | 14 | 8 | [
{
"comment_id": "4275922",
"author": "Andy",
"timestamp": "2017-12-27T09:11:11",
"content": "Acutally you can decrease the effort of applying the resin by hand, using an infusion technique[1,2(is also applicable to fibre glas)].Therefore, you need a resin reservoir attached to the form on the far s... | 1,760,374,546.016211 | ||
https://hackaday.com/2017/12/26/the-bedside-light-app-that-phones-home/ | The Bedside Light App That Phones Home | Jenny List | [
"Security Hacks"
] | [
"android",
"IoT",
"security",
"xiaomi"
] | Desiring a bedside lamp with a remote control, [Peadar]’s wife bought a Xiaomi Yeelight, an LED model with an accompanying Android app. And since he’s a security researcher by trade, he subjected the app to a close examination and found it to be demanding permissions phoning home to a far greater extent than you’d expe... | 31 | 17 | [
{
"comment_id": "4275651",
"author": "Cobalt Griffon",
"timestamp": "2017-12-27T03:08:58",
"content": "Creepy, I’d send that thing to the ‘strip for parts’ pile straight away, might give the control chip a wack with a strong magnet on the way.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,546.242185 | ||
https://hackaday.com/2017/12/26/exploring-options-for-diy-waterproofing/ | Exploring Options For DIY Waterproofing | Dan Maloney | [
"Misc Hacks"
] | [
"coatings",
"conformal",
"encapsulating",
"epoxy",
"nail polish",
"potting",
"silicone",
"waterproofing",
"weatherproofing"
] | TL;DR — Don’t use silicone to pot electronics.
That’s the conclusion [GreatScott!] comes to after trying out
several methods for waterproofing electronics
. His efforts stem from
a recent video
in which he discovered that water and electricity sometimes actually do mix, as long as the water is distilled and the electro... | 49 | 16 | [
{
"comment_id": "4275388",
"author": "Ostracus",
"timestamp": "2017-12-27T00:18:26",
"content": "And now we need an article on properly potting your pot.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4275440",
"author": "RX3115",
"timestamp": "2017-12... | 1,760,374,546.104321 | ||
https://hackaday.com/2017/12/26/liquidwatch-is-dripping-with-style/ | LiquidWatch Is Dripping With Style | Tom Nardi | [
"Arduino Hacks",
"clock hacks",
"contests"
] | [
"2017 Coin Cell Challenge",
"atmega328",
"coin cell",
"watch"
] | Some of the entries for the 2017 Coin Cell Challenge have already redefined what most would have considered possible just a month ago. From starting cars to welding metal, coin cells are being pushed way outside of their comfort zone with some very clever engineering. But not every entry has to drag a coin cell kicking... | 13 | 4 | [
{
"comment_id": "4275202",
"author": "twarde murzynskie paly",
"timestamp": "2017-12-26T21:16:03",
"content": "I love this project, truly amazing use of LEDs",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4275626",
"author": "PWalsh",
"timest... | 1,760,374,546.33977 | ||
https://hackaday.com/2017/12/26/a-visit-from-saint-rich/ | A Visit From Saint Rich | Dan Maloney | [
"Fiction",
"Holiday Hacks",
"Slider"
] | [
"geek poetry",
"Magic Mirror",
"poem",
"poetry",
"raspberry pi",
"Richard Stallman",
"Twas the Night Before Christmas"
] | With apologies to Clement Clarke Moore, Richard Stallman, and the English-speaking world in general — ed
.
‘Twas the night before Christmas
While up in my bed,
I stared at the ceiling
With feelings of dread.
I’d really no reason for portents of doom
Lying there, sleepless, in gathering gloom.
We’d wrapped all the prese... | 12 | 10 | [
{
"comment_id": "4275049",
"author": "lukilukeskywalker",
"timestamp": "2017-12-26T18:16:48",
"content": "Not a hack… lel",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4275050",
"author": "lukilukeskywalker",
"timestamp": "2017-12-26T18:17:3... | 1,760,374,546.390251 | ||
https://hackaday.com/2017/12/26/an-automated-ice-cream-topper-for-the-ultimate-in-zero-effort-desserts/ | An Automated Ice Cream Topper For The Ultimate In Zero Effort Desserts | Jenny List | [
"cooking hacks"
] | [
"chocolate sauce",
"ice cream",
"pic32",
"sprinkles",
"toppings",
"whipped cream"
] | It’s a highly personal facet of the eating experience, the choice of topping applied to your frozen dessert. Everybody has their own preferences when it comes to whipped cream, sprinkles, and chocolate syrup. Should the maintenance of those preferences become a chore, there is a machine for that, and it comes courtesy ... | 2 | 2 | [
{
"comment_id": "4275001",
"author": "captnmike",
"timestamp": "2017-12-26T17:20:53",
"content": "No video?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4275032",
"author": "Endre Mathistad",
"timestamp": "2017-12-26T17:56:54",
"content": "tldr b... | 1,760,374,546.282733 | ||
https://hackaday.com/2017/12/26/fast-3d-printing-with-raspberry-pi-but-not-how-you-think/ | Fast 3D Printing With Raspberry Pi — But Not How You Think | Al Williams | [
"3d Printer hacks",
"Featured",
"Raspberry Pi",
"Slider"
] | [
"3d printing",
"kinematics",
"klipper",
"raspberry pi"
] | Although we tend to think of 3D printers as high-tech toys, most of them are not especially powerful in the brain department. There are some exceptions, but most 3D printers run on either an 8-bit Arduino or some Arduino variant with a lot of I/O. There are a few 32-bit boards, but if you grab a random 3D printer, its ... | 117 | 24 | [
{
"comment_id": "4274887",
"author": "brucedesertrat",
"timestamp": "2017-12-26T15:30:27",
"content": "This is potentially a huge leap forward in any CNC system, not just printers.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4274907",
"author": "m... | 1,760,374,547.014586 | ||
https://hackaday.com/2017/12/26/sound-isolated-server-rack/ | Sound Isolated Server Rack | Adam Fabio | [
"computer hacks"
] | [
"rack",
"server",
"sound isolation"
] | Servers are most often found in climate controlled data centers. This means they aren’t exactly built for creature comforts like quiet operation. Quite the contrary — many server chassis include fans which absolutely scream when the machine is under load. [Whiskykilo] needed to set up a 12 U rack in his basement for wo... | 47 | 16 | [
{
"comment_id": "4274723",
"author": "PAVUK",
"timestamp": "2017-12-26T12:19:40",
"content": "Exhaust fans are pointed directly at the wall with a few centimetres gap. What I am missing here is before/after comparison of noise and components temperature. I do wonder what is the temperature resistanc... | 1,760,374,546.490141 | ||
https://hackaday.com/2017/12/26/monoprice-mini-laser-engraver-hack/ | Monoprice Mini Laser Engraver Hack | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"laser",
"laser engraver",
"laser engraving",
"monoprice mini select 3d"
] | There’s an old saying, that in theory there’s no difference between theory and practice, but in practice there is. That sentiment could easily be applied to refitting a 3D printer to hold a laser. There shouldn’t be much to it, rig up a laser module to turn on under computer control, mount it to your hot end carriage a... | 12 | 5 | [
{
"comment_id": "4274609",
"author": "Dan",
"timestamp": "2017-12-26T10:55:25",
"content": "I’d say the design of the Mini makes it a rather dangerous laser platform since it’s completely open, but then so is every one of these cheap Chinese diode laser cutters/engravers so suppose it’s the norm any... | 1,760,374,546.581988 | ||
https://hackaday.com/2017/12/25/a-laser-cut-arcade-cabinet-for-ants/ | A Laser Cut Arcade Cabinet For Ants | Tom Nardi | [
"classic hacks",
"Laser Hacks",
"Raspberry Pi"
] | [
"Adafruit-retrogame",
"arcade cabinet",
"emulation",
"gaming",
"miniature",
"retropie",
"SPI ILI9163"
] | Most of us would probably like to have an arcade cabinet at home, but it’s hard to justify the space they take up. Sure it’s an awesome conversation starter when friends are over, and you might even play it regularly, but at some point you’ll look over at the corner and realize there’s probably something more practical... | 2 | 1 | [
{
"comment_id": "4274263",
"author": "Galane",
"timestamp": "2017-12-26T07:11:10",
"content": "How does that compare in size to these?https://www.youtube.com/watch?v=jh5z7CnNBBwWhile there are four available, you actually only need to buy one. A simple hack with a 4 position switch and some solderin... | 1,760,374,546.745925 | ||
https://hackaday.com/2017/12/25/the-wifi-repeater-you-probably-have-on-your-bench/ | The WiFi Repeater You Probably Have On Your Bench | Al Williams | [
"Slider",
"Wireless Hacks"
] | [
"bridge",
"ESP8266",
"mqtt",
"repeater",
"wifi"
] | Few things are as frustrating as a WiFi signal that drops in and out. On a public network it is bad enough but at home? Even if you can live with it, your cohabitants will certainly impune your technical abilities if they don’t have solid WiFi. One solution is a WiFi repeater. You can buy one, of course. But you can a... | 29 | 13 | [
{
"comment_id": "4274003",
"author": "NiHaoMike",
"timestamp": "2017-12-26T03:31:59",
"content": "What about use two ESP8266 interlinked via SPI so it can repeat onto a different channel?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4274071",
"auth... | 1,760,374,546.647527 | ||
https://hackaday.com/2017/12/25/interfacing-with-a-digital-speedometer/ | Interfacing With A Digital Speedometer | Tom Nardi | [
"hardware",
"Microcontrollers",
"Transportation Hacks"
] | [
"atmega",
"pwm",
"resin potting",
"scooter",
"speedometer"
] | After swapping the engine out in his scooter, [James Stanley] made an unfortunate discovery. The speedometer was digitally controlled, and while the original engine had a sensor which would generate pulses for it to interpret, his new engine didn’t. Learning that the original sensor would pull the signal wire to ground... | 5 | 2 | [
{
"comment_id": "4273759",
"author": "Ostracus",
"timestamp": "2017-12-26T00:23:46",
"content": "” Since the wheel is of a known circumference, timing the pulses from the sensor allows calculation of the current speed.”Kind of like those bike computers. Main concern is how close the magnet and senso... | 1,760,374,546.697572 | ||
https://hackaday.com/2017/12/25/how-much-of-a-battery-pack-does-your-electric-car-need/ | How Much Of A Battery Pack Does Your Electric Car Need? | Jenny List | [
"Slider",
"Transportation Hacks"
] | [
"electric semi-truck",
"electric truck",
"electric vehicles",
"truck"
] | [Elon Musk] recently staged one of his characteristic high-profile product launches, at which he unveiled a new Tesla electric semi-truck. It was long on promise and short on battery pack weight figures, so of course [Real Engineering] smelled a rat. His video investigating the issue is below the break, but it’s not th... | 143 | 25 | [
{
"comment_id": "4273578",
"author": "duh",
"timestamp": "2017-12-25T21:14:52",
"content": "“Perhaps we might call them railroads”Hahaha! YES!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4273589",
"author": "Truth",
"timestamp": "2017-12-2... | 1,760,374,547.286279 | ||
https://hackaday.com/2017/12/25/rubiks-cube-table-has-a-hidden-surprise/ | Rubik’s Cube Table Has A Hidden Surprise | Adam Fabio | [
"classic hacks",
"home hacks"
] | [
"Hidden storage",
"rubiks cube",
"table"
] | [Nothorwitzer] built a pretty incredible
Rubik’s Cube table with hidden storage
. The coolest feature of this table is the way it opens. Twisting the top section of the cube causes two drawers to pop out from the sides. The further you turn the top, the more the drawers extend. As the top hits its rotational limit, the... | 9 | 4 | [
{
"comment_id": "4273494",
"author": "macegr",
"timestamp": "2017-12-25T19:26:26",
"content": "> The lid fit is so close that air pressure ensures the top doesn’t slam down when it is dropped.*sigh* Typical amateurs not designing their furniture to work in a hard vacuum. It’s almost 2018!",
"par... | 1,760,374,547.061319 | ||
https://hackaday.com/2017/12/25/the-most-tasteful-of-christmas-sweaters-come-with-a-trainset/ | The Most Tasteful Of Christmas Sweaters Come With A Trainset | Jenny List | [
"Holiday Hacks",
"News"
] | [
"christmas jumper",
"christmas sweater",
"model railroad"
] | Ah, Christmas, the time of festive good cheer, cherubic carol-singers standing in the crunchy snow, church bells ringing out across the frozen landscape, Santa Claus in his red suit flying down the chimney with a sack of presents, the scent of Christmas meals cooking heavy upon the air, and
a Canadian guy wearing a tra... | 3 | 3 | [
{
"comment_id": "4273430",
"author": "Someone",
"timestamp": "2017-12-25T17:58:00",
"content": "Oh god, I need this now.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4274516",
"author": "Telimektar",
"timestamp": "2017-12-26T10:04:46",
"content":... | 1,760,374,547.102467 | ||
https://hackaday.com/2017/12/25/low-power-motor-can-run-for-years-on-a-coin-cell/ | Low-Power Motor Can Run For Years On A Coin Cell | Dan Maloney | [
"Misc Hacks",
"Slider"
] | [
"BLDC",
"brushless",
"coin cell",
"magnetic bearing",
"motor",
"neodymium",
"pulse"
] | Can you run an electric motor for two years on a single lithium coin cell? [IamWe] figured out how to do it, and even though his
donut motor
doesn’t look like any motor we’ve ever seen before, it’s a pretty solid lesson in low-current design.
The donut motor is really just a brushless DC motor with a sign-pole stator a... | 29 | 12 | [
{
"comment_id": "4273317",
"author": "John blackthorn",
"timestamp": "2017-12-25T14:09:30",
"content": "This is not what I was expecting, mainly because it rotates in a way I didn’t even consider, and the magnetic bearing is a very nice touch.",
"parent_id": null,
"depth": 1,
"replies":... | 1,760,374,547.352796 | ||
https://hackaday.com/2017/12/25/powder-coating-with-a-fluidized-bed/ | Powder Coating With A Fluidized Bed | Dan Maloney | [
"Misc Hacks"
] | [
"aeration",
"coatings",
"finish",
"fluidized bed",
"magnetic stir bar",
"paint",
"powder coating"
] | There’s no beating the beauty and durability of a high-quality powder-coated part. There’s just something about the look and feel of the finish that goes far beyond mere painting and makes it worth the effort and expense. The typical electrostatic spray powder-coating setup can be expensive, though, and not necessarily... | 16 | 5 | [
{
"comment_id": "4273157",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-25T09:41:02",
"content": "Nice job on that… but why did you ruin the presentation with an imaginary video? Please turn it around 90° in future.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,547.408166 | ||
https://hackaday.com/2017/12/24/art-eavesdrops-on-life-and-pagers/ | Art Eavesdrops On Life And Pagers | Al Williams | [
"Radio Hacks"
] | [
"art",
"pager",
"POGSAG",
"RTL-SDR",
"sdr",
"software-defined radio"
] | Before cell phones, pagers were the way to communicate on the go. At first, they were almost a status symbol. Eventually, they became the mark of someone who couldn’t or wouldn’t carry a cell phone. However, apparently, there are still some users that clutch their pagers with a death grip, including medical professiona... | 32 | 11 | [
{
"comment_id": "4273024",
"author": "Ostracus",
"timestamp": "2017-12-25T06:05:30",
"content": "“However, apparently, there are still some users that clutch their pagers with a death grip, including medical professionals.”Is there less chance of the dreaded, “the movie patrons are jamming my cellph... | 1,760,374,547.482977 | ||
https://hackaday.com/2017/12/24/hexbright-repair-keeps-torch-out-of-landfill/ | Hexbright Repair Keeps Torch Out Of Landfill | Lewin Day | [
"Repair Hacks"
] | [
"hexbright",
"repair"
] | The Hexbright was a Kickstarter project from a few years ago, to create an open source, rechargeable LED light.
[Nick] quite likes them, and has learned a thing or two about keeping them operational
.
The torches have a few key issues which [Nick] lists for us, before outlining the necessary repairs. These problems hig... | 27 | 9 | [
{
"comment_id": "4273073",
"author": "pacman10101",
"timestamp": "2017-12-25T07:21:14",
"content": "I guess “man fixes flashlight” was too straight forwardregardless, merry Christmas, y’all!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4273177",
"a... | 1,760,374,547.549111 | ||
https://hackaday.com/2017/12/24/hackaday-links-not-a-creature-was-stirring-except-for-a-trackball/ | Hackaday Links: Not A Creature Was Stirring, Except For A Trackball | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"hackerspace",
"msp430",
"noisebridge",
"NVIDIA",
"OPL2",
"osh park",
"PCB ruler"
] | Hey, did you know Hackaday is starting an Open Access, peer-reviewed journal?
The Hackaday Journal of What You Don’t Know (HJWYDK)
is looking for submissions detailing the tools, techniques, and skills that we don’t know, but should. Want to teach everyone how to make sand think? Write a paper and tell us about it!
Sen... | 9 | 5 | [
{
"comment_id": "4272812",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-25T00:35:14",
"content": "NoiseBridge isn’t the only hackerspace getting kicked out of their accommodation by the landlord:https://forum.hsbne.org/t/2018-location-priorities/2428/5Property developers around Brisbane see... | 1,760,374,547.598299 | ||
https://hackaday.com/2017/12/24/wishing-the-family-a-sinusoidal-christmas/ | Wishing The Family A Sinusoidal Christmas | Tom Nardi | [
"3d Printer hacks",
"Holiday Hacks"
] | [
"3d printed",
"audacity",
"Fusion 360",
"holidays",
"waveform"
] | When it’s time to put together the annual Christmas card, most families take a few pictures of the kids, slap on a generic greeting, and call it a day. It used to be fairly common for the whole family to get dressed up and pose for a special Christmas picture, but who has the time anymore? It’s not like we have hours a... | 16 | 7 | [
{
"comment_id": "4272683",
"author": "drenehtsral",
"timestamp": "2017-12-24T21:19:54",
"content": "I’d tried and failed at a similar attempt. What I did was record a sample, get an FFT for a bunch of narrow bins, and imported the resulting intensity over frequency and time grid as a height map in o... | 1,760,374,547.655869 | ||
https://hackaday.com/2017/12/24/programmable-christmas-tree-is-a-javascript-interpreter/ | Programmable Christmas Tree Is A JavaScript Interpreter | Adil Malik | [
"Holiday Hacks",
"LED Hacks"
] | [
"javascript",
"Nodejs",
"RGB LED",
"xmas",
"xmas tree"
] | Here at Hackaday, we find Christmas time very exciting because it means an influx of holiday-themed hacks that really help us get into the festive mood. [Andrew’s] programmable Christmas tree hosted at
HackMyXmas
is certainly one of our favorites. The project consists of a 500 RGB LEDs wrapped around a typical Christma... | 4 | 2 | [
{
"comment_id": "4272764",
"author": "Charles",
"timestamp": "2017-12-24T23:13:07",
"content": "No video….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4272949",
"author": "gandrewstone",
"timestamp": "2017-12-25T04:01:28",
"content... | 1,760,374,547.69942 | ||
https://hackaday.com/2017/12/24/hackaday-at-34c3/ | Hackaday At 34C3 | Elliot Williams | [
"cons",
"News"
] | [
"34C3",
"chaos communication congress",
"cons"
] | It’s that time of year. While the rest of the Christmas-celebrating world sits around and plays with the toys that they got out from under the tree, German nerds head off to the biggest European hacker con: the
34th annual Chaos Communications Congress
, running Dec. 27th through 30th.
The CCC is both a grandparent amo... | 19 | 6 | [
{
"comment_id": "4272458",
"author": "pacman10101",
"timestamp": "2017-12-24T17:47:34",
"content": "“tuwat” is that pronounced “twat”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4272471",
"author": "markust21",
"timestamp": "2017-12-24T18... | 1,760,374,548.385049 | ||
https://hackaday.com/2017/12/24/led-christmas-tree-is-perfect-holiday-build/ | LED Christmas Tree Is Perfect Holiday Build | Will Sweatman | [
"LED Hacks"
] | [
"christmas tree",
"deadbug",
"flickering led",
"led",
"linear shift feedback register",
"tree"
] | Soon the most wonderful time of the year will be upon us. Families all over the globe will gather together to exchange gifts, eat good food and enjoy some quality time with each other. For many, it will be the first time they’ve seen each other since the last holiday season. For us hackers – this translates to a time ... | 4 | 3 | [
{
"comment_id": "4272315",
"author": "BD594",
"timestamp": "2017-12-24T15:08:57",
"content": "Very nice soldering skills and makes mine look like crap. :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4272386",
"author": "jacobchrist",
"tim... | 1,760,374,548.073867 | ||
https://hackaday.com/2017/12/24/edward-snowden-introduces-baby-monitor-for-spies/ | Edward Snowden Introduces Baby Monitor For Spies | Tom Nardi | [
"Android Hacks",
"Cellphone Hacks",
"News",
"Security Hacks"
] | [
"android",
"baby monitor",
"edward snowden",
"Monitoring",
"privacy",
"security",
"surveillance"
] | Famed whistleblower [Edward Snowden]
has recently taken to YouTube to announce Haven
: an Open Source application designed to allow security-conscious users turn old unused Android smartphones and tablets into high-tech monitoring devices for free. While arguably Haven doesn’t do anything that wasn’t already possible w... | 25 | 15 | [
{
"comment_id": "4272169",
"author": "Gecko",
"timestamp": "2017-12-24T12:19:27",
"content": "Sweet I have a small pile of old single core and dual core android phones that I will want to test these out on.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "427217... | 1,760,374,548.209936 | ||
https://hackaday.com/2017/12/24/a-calculator-with-3g-inside/ | A Calculator With 3G Inside | Jenny List | [
"Cellphone Hacks"
] | [
"calculator",
"cell phone",
"ti-84"
] | For many of us, a calculator is something we run as an app on our mobile phones. Even the feature phones of a couple of decades ago bundled some form of calculator, so that particular task has joined the inevitable convergence of functions into the one device.
For [Scott Howie] though,
a mobile phone is something to ru... | 31 | 7 | [
{
"comment_id": "4271872",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-24T09:45:05",
"content": "Nice work… okay, we really should be using a string,notan integer, for storing a phone number. In spite of telephone numbers being mostly numeric, they donotfollow the usual rules that numbers... | 1,760,374,548.143177 | ||
https://hackaday.com/2017/12/23/touch-panels-make-this-christmas-tree-interactive/ | Touch Panels Make This Christmas Tree Interactive | Dan Maloney | [
"Holiday Hacks"
] | [
"christmas tree",
"neopixel",
"OctoWS2811",
"touch sensor",
"ws2812b"
] | The city of Liverpool, famously known as both the home port of the
Titanic
and the birthplace of The Beatles, also seems to have a thing for interactive public art installations. Witness
this huge interactive Christmas tree
that can be played by passersby.
The display in the city’s busy Williamson Square was commission... | 0 | 0 | [] | 1,760,374,548.030301 | ||
https://hackaday.com/2017/12/21/bringing-a-christmas-lights-show-inside/ | Bringing A Christmas Lights Show Inside | James Hobson | [
"Holiday Hacks",
"LED Hacks",
"Raspberry Pi"
] | [
"christmas",
"instructable",
"lights",
"projector",
"Xlights"
] | Instructables user [Osprey22] has been building towards this Christmas for years. Why? This year, he has brought an impressive musical Christmas light display inside, and at
a fraction of the cost too
!
An box at the tree’s base hides the power supply and the controller boards — a Raspberry Pi and a SanDevices e682 Pix... | 15 | 7 | [
{
"comment_id": "4267321",
"author": "Jake",
"timestamp": "2017-12-21T19:40:06",
"content": "Not sure how Moana is connected to Christmas, but even those parts were pretty bad ass! Cool project!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4268013",
... | 1,760,374,548.48425 | ||
https://hackaday.com/2017/12/21/retrotechtacular-field-assembly-of-the-p-47/ | Retrotechtacular: Field Assembling Airplanes Like Wartime “Ikea” | Tom Nardi | [
"Retrotechtacular",
"Weapons Hacks"
] | [
"hardware design",
"logistics",
"P-47",
"propaganda",
"shipping",
"world war II"
] | Imagine it’s 1943, and you have to transport 1,000
P-47 fighter planes
from your factory in the United States to the front lines in Europe, roughly 5,000 miles over the open ocean. Flying them isn’t an option, the P-47 has a maximum range of only 1,800 miles, and the technology for air-to-air refueling of fighter plane... | 29 | 12 | [
{
"comment_id": "4267247",
"author": "Tom G",
"timestamp": "2017-12-21T18:22:42",
"content": "And the tradition continues to this day.When gliders run out of “up” and make an impromptu visit to a farmer, retrieval involves plucking off the wings and stabiliser and transporting them in a long trailer... | 1,760,374,548.559732 | ||
https://hackaday.com/2017/12/21/microbalance-determines-alcohol-content/ | Microbalance Determines Alcohol Content | Al Williams | [
"chemistry hacks"
] | [
"microbalance"
] | With the holiday season upon us, it is useful to be able to determine just how much (or how little) spiking the office party punch has received. [Russell Smith]
shows how he tried to determine the proof level of booze
using a microbalance made from an old-fashioned panel meter.
That might seem odd, but since alcohol ev... | 8 | 4 | [
{
"comment_id": "4267154",
"author": "Ostracus",
"timestamp": "2017-12-21T16:48:24",
"content": "Nice, although in this day and age, food alteration might be a bad idea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4267228",
"author": "TGT",
... | 1,760,374,548.433478 | ||
https://hackaday.com/2017/12/21/magic-leap-finally-announced-remains-mysterious/ | Magic Leap Finally Announced; Remains Mysterious | Mike Szczys | [
"Featured",
"News",
"Virtual Reality"
] | [
"augmented reality",
"glasses",
"goggles",
"light field",
"Magic Leap",
"mixed reality"
] | Yesterday
Magic Leap
announced that it will ship developer edition hardware in 2018. The company is best known for raising a lot of money. That’s only partially a joke, since the teased hardware has remained very mysterious and never been revealed, yet they have managed to raise nearly $2 billion through four rounds of... | 74 | 22 | [
{
"comment_id": "4267028",
"author": "Ren",
"timestamp": "2017-12-21T15:08:37",
"content": "I think the Hololens looks cooler.B^)(even if it is made by M$)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4267076",
"author": "Chris Wright",
"ti... | 1,760,374,548.680481 | ||
https://hackaday.com/2017/12/21/read-home-power-meters-with-rtl-sdr/ | Read Home Power Meters With RTL-SDR | Will Sweatman | [
"Misc Hacks"
] | [
"power meter",
"RTL-SDR"
] | [k-roy] hates electricity. Especially the kind that can be lethal if you’re not careful. Annoyed by the constant advertisements for the popular Sense Home Energy monitors (which must be installed in the main breaker box by an electrician), [k-roy] set out to find a
cheaper and easier way
. He wondered how the power com... | 62 | 21 | [
{
"comment_id": "4266860",
"author": "Haddyhad",
"timestamp": "2017-12-21T12:39:49",
"content": "“this one stands out for its simplicity and elegance” i.e. running a program designed to do exactly this and that has been around since 2014?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,548.775987 | ||
https://hackaday.com/2017/12/21/military-surplus-repurposed-for-high-energy-physics/ | Military Surplus Repurposed For High Energy Physics | Roger Cheng | [
"Weapons Hacks"
] | [
"accelerator",
"brass",
"cern",
"Fermilab",
"military",
"particle accelerator",
"reuse",
"russian military",
"shielding",
"steel",
"steel plate",
"surplus",
"US Navy",
"warship"
] | Performing high-energy physics experiments can get very expensive, a fact that attracts debate on public funding for scientific research. But the reality is that scientists often work very hard to stretch their funding as far as they can. This is why we need informative and entertaining stories like Gizmodo’s
How Physi... | 8 | 5 | [
{
"comment_id": "4266763",
"author": "voxnulla",
"timestamp": "2017-12-21T11:04:47",
"content": "I remember a Dutch isotope research institute used lead ballast from old ships to shield the detectors from outside radiation. Old lead was the best insulator against that.",
"parent_id": null,
"... | 1,760,374,548.822043 | ||
https://hackaday.com/2017/12/20/old-scanner-finds-new-life-in-diy-pcb-fab/ | Old Scanner Finds New Life In DIY PCB Fab | Dan Maloney | [
"LED Hacks",
"Tool Hacks"
] | [
"exposure",
"led",
"photoresist",
"scanner",
"stepper",
"uv"
] | Cheap, high-quality PCBs are truly a wonder of our age. That a professionally fabricated board with silkscreen and solder mask can be ordered online and delivered to your door has lowered the bar between a hobbyist project and a polished product. But the wait can be agonizing, and it can throw a wrench into the iterati... | 33 | 8 | [
{
"comment_id": "4266488",
"author": "komradebob",
"timestamp": "2017-12-21T06:18:18",
"content": "Still waiting for someone to solve the plates through hole problem. Sure there are various drill holes, fill with {graphine, graphite,etc}, electroplate, then etch, or fill with wire and solder, but th... | 1,760,374,548.891918 | ||
https://hackaday.com/2017/12/23/pov-display-is-fan-tastic/ | POV Display Is FAN-tastic | Will Sweatman | [
"LED Hacks"
] | [
"pic32",
"POV"
] | Persistence-of-vision displays come in all shapes and sizes. But when you get a couple of [Bruce Land’s] students involved, well let’s just say they tend to up the ante. When [Emily] and [Han] decided to make a POV display for their next class project, they
did so with style
. Unsatisfied with smaller displays they saw... | 13 | 7 | [
{
"comment_id": "4271526",
"author": "criznach",
"timestamp": "2017-12-24T03:26:25",
"content": "I’m kinda partial to this one…http://chrismillerstuff.com/2015/09/22/creating-a-1-meter-rgb-pov-display-with-raspberry-pi-and-lpd8806/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,548.991437 | ||
https://hackaday.com/2017/12/23/new-life-for-an-obscure-apple-plotter/ | New Life For An Obscure Apple Plotter | Jenny List | [
"classic hacks"
] | [
"apple",
"apple plotter",
"plotter",
"rs232",
"serial"
] | We’ve all at some point or other seen something done online by somebody else, and thought “I’d like to have a go at that!”. When [Phooky] saw the artwork on the #PlotterTwitter hashtag, he remembered a past donation of a plotter to the NYC Resistor hackerspace. Some searching through the loft revealed a dusty cardboard... | 10 | 7 | [
{
"comment_id": "4271391",
"author": "CMH2",
"timestamp": "2017-12-24T00:53:32",
"content": "Very entertaining blog post read. I loved his comment:“As charming the idea of rolling wild-eyed into a Genius Bar with a thirty-plus-year-old plotter and screaming “I NEED THIS WORKING BY MONDAY” was, I fi... | 1,760,374,548.938952 | ||
https://hackaday.com/2017/12/23/micro-atx-arduino-is-the-ultimate-breakout-board/ | Micro-ATX Arduino Is The Ultimate Breakout Board | Tom Nardi | [
"Arduino Hacks",
"computer hacks",
"Microcontrollers"
] | [
"arduino",
"atmega",
"atmega32u4",
"breakout board",
"Micro-ATX"
] | If you’ve been hanging around microcontrollers and electronics for a while, you’re surely familiar with the concept of the breakout board. Instead of straining to connect wires and components to ever-shrinking ICs and MCUs, a breakout board makes it easier to interface with the device by essentially making it bigger. T... | 66 | 17 | [
{
"comment_id": "4270901",
"author": "Redhatter (VK4MSL)",
"timestamp": "2017-12-23T21:17:52",
"content": "That just needs an FPGA to make it really interesting.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4270969",
"author": "ScriptGiddy",
... | 1,760,374,549.120327 | ||
https://hackaday.com/2017/12/23/floating-death-star-is-just-in-time/ | Floating Death Star Is Just In Time | Will Sweatman | [
"Misc Hacks"
] | [
"Magnetic levitation",
"star wars"
] | Unless you’ve been living under a high voltage transformer, you’re aware of the latest release in the Star Wars Saga. [John] has a relative that is clearly a big Star Wars fan, so he set about to build them the perfect Christmas present – a
levitating Death Star
! Instead of reinventing the wheel, [John] decided to st... | 8 | 3 | [
{
"comment_id": "4270612",
"author": "Bob",
"timestamp": "2017-12-23T18:09:38",
"content": "Nothing says “Joy to the World” like a Death Star.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4270647",
"author": "Michael Thompson",
"timestamp":... | 1,760,374,549.309155 | ||
https://hackaday.com/2017/12/23/tiny-transmitter-tracks-targets/ | Tiny Transmitter Tracks Targets | Al Williams | [
"Radio Hacks"
] | [
"RTL-SDR",
"saw",
"tracker"
] | It is a staple of spy movies. The hero — or sometimes the bad guy — sticks a device never any bigger than an Alka Seltzer to a vehicle or a person and then tracks it anywhere it goes in the world. Real world physics makes it hard to imagine a device like that for a lot of reasons. Tiny power supplies mean tiny lifetime... | 16 | 10 | [
{
"comment_id": "4270372",
"author": "jonsmirl",
"timestamp": "2017-12-23T15:07:01",
"content": "You can make quite small devices based on TI CC1120. These guys got 100KM range.https://www.youtube.com/watch?v=wgqtEu5PfAwThey are using an off-the-shelf development board with no attempt at small size.... | 1,760,374,549.601798 | ||
https://hackaday.com/2017/12/23/control-a-quadcopter-over-websockets/ | Control A Quadcopter Over Websockets | Adil Malik | [
"drone hacks",
"Wireless Hacks"
] | [
"ESP8266",
"HTTP",
"IoT",
"quadcopter",
"websockets"
] | The interface
Everyone’s favourite IOT module, the ESP8266, is often the go-to choice for any project that needs quick and cheap control over the web. [Andi23456]
wanted to control his quadcopter using the luxury of his mobile phone
and thought permanently tethering an ESP12-E module to the quadcopter was exactly what ... | 6 | 4 | [
{
"comment_id": "4270342",
"author": "Joseph Sammarco",
"timestamp": "2017-12-23T14:31:21",
"content": "Nice. I’m doing a similar project with LED grids over Wi-Fi with raspberry pies.Using socketIO and Node",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "42704... | 1,760,374,549.354509 | ||
https://hackaday.com/2017/12/23/watch-video-on-a-oscilloscope-with-an-esp32/ | Watch Video On A Oscilloscope With An ESP32 | Dan Maloney | [
"hardware",
"Slider",
"Tool Hacks"
] | [
"3d",
"dac",
"ESP32",
"Lissajous",
"oscilloscope",
"vector",
"X-Y"
] | [bitluni] got a brand new scope, and he couldn’t be happier. No, really — check the video below; he’s really happy. And to celebrate,
he turned his scope into a vector display using an ESP32
.
Using a scope in X-Y mode is nothing new, of course. The technique is used to display everything from
Lissajous patterns from a... | 18 | 6 | [
{
"comment_id": "4270145",
"author": "Ruslan Shakirov",
"timestamp": "2017-12-23T10:48:00",
"content": "Neat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4270660",
"author": "rosmianto",
"timestamp": "2017-12-23T18:52:28",
"content": "Awesome ha... | 1,760,374,551.529267 | ||
https://hackaday.com/2017/12/20/fcc-fines-drone-fpv-maker-for-using-radio-spectrum/ | FCC Fines Drone FPV Maker For Using Radio Spectrum | Al Williams | [
"News"
] | [
"certification",
"fcc",
"regulation"
] | If you listen to the radio bands in the United States, you might wonder if anyone at the FCC is paying attention, or if they are too busy selling spectrum and regulating the Internet. Apparently however, they are watching some things. The commission just
levied a $180,000 fine on a company in Florida
for selling audio/... | 35 | 14 | [
{
"comment_id": "4266391",
"author": "bruceperens",
"timestamp": "2017-12-21T03:52:25",
"content": "One important point here is that the transmitters were built for ham bands but were marketed to non-hams. ARRL also says that the transmitters used frequencies intended for navigational aids, air traf... | 1,760,374,551.610439 | ||
https://hackaday.com/2017/12/20/emulating-a-forgotten-unix-box/ | Emulating A Forgotten UNIX Box | Brian Benchoff | [
"classic hacks"
] | [
"att",
"emulation",
"SIMH",
"unix"
] | The AT&T 3B2 series of computers are historically significant, being the main porting platform for System V Release 3 UNIX. Unfortunately, the documentation for these computers has been nearly lost to the sands of time. They are, however, architecturally interesting machines, and [Seth Morabito] has been working for so... | 24 | 14 | [
{
"comment_id": "4266188",
"author": "Komradebob",
"timestamp": "2017-12-21T00:05:18",
"content": "I know where there are still a pair in production running the voice mail provisioning for over 30,000 offices…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "426... | 1,760,374,551.325113 | ||
https://hackaday.com/2017/12/20/16-cylinder-stirling-engine-gets-a-tune-up/ | 16-Cylinder Stirling Engine Gets A Tune Up | Dan Maloney | [
"classic hacks",
"Slider"
] | [
"cooling",
"fan",
"generator",
"machining",
"rotary",
"stirling"
] | Tiny catapults, kinetic sculptures, a Newton’s Cradle — all kinds of nifty toys can adorn the desk of the executive in your life. On the high end of the scale, a 16-cylinder butane-powered Stirling engine makes a nice statement, but when it comes equipped with a propeller that looks ready for finger-chopping,
some mods... | 33 | 16 | [
{
"comment_id": "4265975",
"author": "Jerry",
"timestamp": "2017-12-20T21:06:48",
"content": "Sweet!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4266039",
"author": "Als",
"timestamp": "2017-12-20T21:59:12",
"content": "That is one complicated f... | 1,760,374,551.392134 | ||
https://hackaday.com/2017/12/20/reusing-motors-from-washing-machines/ | Reusing Motors From Washing Machines | Lewin Day | [
"Misc Hacks"
] | [
"ac motor",
"induction motor",
"motor",
"motor controller",
"variable frequency drive",
"vfd",
"washing machine"
] | Big ol’ motors are great when you need to get a big job done, but they can be expensive or hard to source new. However, there’s a source of big, fat, juicy motors right at home for most people – the garden variety washing machine. These motors would usually require a special controller, however
[Jerry] is here to show ... | 57 | 19 | [
{
"comment_id": "4265888",
"author": "Thinkerer",
"timestamp": "2017-12-20T19:58:36",
"content": "this is a useful article, but the “garden-variety” salvage washing machine and/or dryer usually has a single-speed capacitor-start induction motor that requires only the simplest of controls and these h... | 1,760,374,551.830993 | ||
https://hackaday.com/2017/12/20/ask-hackaday-preserving-electronic-devices/ | Ask Hackaday: Preserving Electronic Devices | Dan Maloney | [
"Ask Hackaday",
"Medical Hacks",
"Original Art",
"Slider"
] | [
"Ask Hackaday",
"battery",
"diabetes",
"elctromechanical",
"insulin",
"preservation",
"pump"
] | Conventional wisdom holds that we no longer make things to last for the long haul, and that we live in a disposable world. It’s understandable — after all, most of us have a cell phone in our pocket that’s no more than a year or two old, and it’s often cheaper to buy a new printer than replace the ink cartridges. But m... | 62 | 18 | [
{
"comment_id": "4265753",
"author": "Ostracus",
"timestamp": "2017-12-20T18:04:29",
"content": "“In short, how do you preserve electronic devices?”Stasis field. :-)“I’ll admit that there aren’t a huge number of devices that are worth the extra effort that would go into storing them for future use.”... | 1,760,374,551.939477 | ||
https://hackaday.com/2017/12/20/grabbing-weather-and-traffic-overlays-from-iheartradio/ | Grabbing Weather And Traffic Overlays From IHeartRadio | Will Sweatman | [
"Radio Hacks"
] | [
"iheartradio",
"RTL-SDR",
"weather"
] | When the older of us think of radio, we think of dialing in an FM or AM station. Giant broadcast towers strewn throughout the countryside radiated electromagnetic waves modulated with music, talk and sports across our great land. Youngsters out there might be surprised that such primitive technology still exists. Thou... | 17 | 9 | [
{
"comment_id": "4265682",
"author": "Ren",
"timestamp": "2017-12-20T16:40:11",
"content": "So, is this information available without membership to iHeartRadio?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4265694",
"author": "Tom Brusehaver",
"times... | 1,760,374,551.73332 | ||
https://hackaday.com/2017/12/20/taking-a-guitar-pedal-from-concept-into-production/ | Taking A Guitar Pedal From Concept Into Production | Lewin Day | [
"Featured",
"Musical Hacks"
] | [
"business",
"distortion",
"guitar pedal",
"manufacturing",
"op-amp",
"production",
"prototype",
"prototyping"
] | Starting a new project is fun, and often involves great times spent playing with breadboards and protoboards, and doing whatever it takes to get things working. It can often seem like a huge time investment just getting a project to that functional point. But what if you want to take it to the next level, and take your... | 24 | 12 | [
{
"comment_id": "4265597",
"author": "Charles Alexanian",
"timestamp": "2017-12-20T15:35:17",
"content": "I used to dabble in that market. It’s a really tough place to be. Not only are there large companies already making good product at reasonable prices, there are literally hundreds of boutique ma... | 1,760,374,551.46679 | ||
https://hackaday.com/2017/12/22/coin-cells-the-mythical-milliamp-hour/ | Coin Cells: The Mythical Milliamp-Hour | Elliot Williams | [
"contests",
"Featured",
"Original Art"
] | [
"battery",
"capacity",
"coin cell",
"coulomb",
"current",
"internal resistance"
] | Just how much metaphorical juice is in a coin cell battery? It turns out that this seemingly simple question is impossible to answer — at least without a
lot
of additional information. The problem is that the total usable energy in a battery depends on how you try to get that energy out, and that is especially true of ... | 16 | 5 | [
{
"comment_id": "4268866",
"author": "kevinmkessler",
"timestamp": "2017-12-22T17:20:37",
"content": "“Equivalently, they can supply short bursts of current before the voltage drops to its steady state value. That means that you’ll get more total energy out of a battery if you give it some time to r... | 1,760,374,551.680867 | ||
https://hackaday.com/2017/12/22/improving-cheap-laser-engravers-for-pcb-fabrication/ | Improving Cheap Laser Engravers For PCB Fabrication | Brian Benchoff | [
"3d Printer hacks",
"cnc hacks"
] | [
"laser",
"laser engraver",
"motor driver",
"Trinamic"
] | A few months ago, [Marco] picked up a cheap, cheap, cheap laser engraver from one of the familiar Chinese resellers. It’s a simple affair with aluminum extrusions, a diode laser, and a control board that seems like it was taken from a 3D printer controller designed five years ago. Now, [Marko]
is building some upgrades... | 24 | 9 | [
{
"comment_id": "4268528",
"author": "Ken N",
"timestamp": "2017-12-22T12:26:18",
"content": "Excellent video. It was a great update on the current mods possible on the EleksMaker laser engravers (which are already pretty cool, IMHO)",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,374,552.016309 | ||
https://hackaday.com/2017/12/22/logic-analyzer-pushes-the-limits-of-miniaturization/ | Logic Analyzer Pushes The Limits Of Miniaturization | Dan Maloney | [
"Tool Hacks"
] | [
"CY7C68013A",
"cypress",
"FX2LP",
"logic analyzer",
"sigrok",
"usb"
] | Careful not to sneeze while using
this diminutive logic analyzer
— you could send it flying across the bench.
Undertaken more for the challenge than as a practical bench tool, [Uwe Hermann]’s tiny logic analyzer is an object lesson on getting a usable circuit as small as possible. Sure, some sacrifices had to be made; ... | 9 | 4 | [
{
"comment_id": "4268370",
"author": "Gravis",
"timestamp": "2017-12-22T10:25:11",
"content": "A feat of miniaturization, yes. Pushing the limits of miniaturization, no.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4268783",
"author": "Ostracus",
... | 1,760,374,552.101063 | ||
https://hackaday.com/2017/12/21/can-this-commodore-64-be-saved/ | Can This Commodore 64 Be Saved? | Al Williams | [
"classic hacks"
] | [
"commodore 64",
"retrocomputing"
] | If you are a certain age, there’s a fair chance your first computer was a Commodore 64. These machines are antiques now, and [RetroManCave] received one from a friend’s loft in unknown condition. He’s made
two out of three videos
covering the machine, its history, and its internals. Assisting is Commodore 64 expert [Ja... | 29 | 10 | [
{
"comment_id": "4268226",
"author": "theretromancave",
"timestamp": "2017-12-22T08:18:23",
"content": "Thanks for sharing our project Al I’m looking forward to part 3 in early January",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4268259",
"author": "Nit... | 1,760,374,552.168295 | ||
https://hackaday.com/2017/12/21/printing-without-supports/ | Printing Without Supports! | James Hobson | [
"3d Printer hacks"
] | [
"3d printing furniture",
"filament",
"foam",
"gel",
"mit",
"Print Support"
] | If print supports have ever caused you grief, know that there’s an alternate printing method in the works. First: get yourself a
vat of industrial gel in which to print
.
Rapid Liquid Printing(RLP) is being developed in collaboration by Michigan-based company [Steelcase] and [Skylar Tibbits’] Self Assembly Lab at MIT. ... | 19 | 11 | [
{
"comment_id": "4267936",
"author": "Jerry",
"timestamp": "2017-12-22T03:23:09",
"content": "https://www.youtube.com/watch?v=b-sIcYo8isI",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4267941",
"author": "Ostracus",
"timestamp": "2017-12-22T03:27:31",... | 1,760,374,552.669779 | ||
https://hackaday.com/2017/12/21/exporting-eagle-libraries-to-foss-tools/ | Exporting Eagle Libraries To FOSS Tools | Brian Benchoff | [
"Software Hacks"
] | [
"eagle",
"geda",
"KiCAD",
"pcb",
"pcb-rnd",
"software"
] | Since Autodesk’s acquisition, Eagle has been making waves in the community. The
de facto
standard for Open Hardware PCB design is now getting push-and-shove routing, a button that flips the board over to the back (genius!), integration with Fusion360, automated 3D renderings of components, and a bunch of other neat too... | 39 | 16 | [
{
"comment_id": "4267685",
"author": "Bruce Perens K6BP",
"timestamp": "2017-12-22T00:06:29",
"content": "I don’t understand the “that is still free despite the ignorance of the community”. They want to use Open Source tools to make Open Hardware. Even if that means dealing with the fact that it mig... | 1,760,374,552.901403 | ||
https://hackaday.com/2017/12/21/building-a-supersized-game-boy-advance/ | Building A Supersized Game Boy Advance | Tom Nardi | [
"classic hacks",
"handhelds hacks",
"Nintendo Game Boy Hacks"
] | [
"backlight",
"game boy advance",
"nintendo",
"tv out"
] | Unless you really look closely at the image above, you might not realize you aren’t looking at a normal Game Boy Advance; which is sort of the point. Even though it retains the looks of the iconic Nintendo handheld,
this version built by [Akira] is supersized for adult hands
. How big is it? To give you an idea, that s... | 5 | 3 | [
{
"comment_id": "4267493",
"author": "mpmitch2000",
"timestamp": "2017-12-21T22:13:13",
"content": "Good work but I don’t think I would like it.That’s because it’s to fat I got one of them cases and it’s just to big to hold in your hands Because it’s to deep. Might be just me? but would need it to b... | 1,760,374,552.514307 | ||
https://hackaday.com/2017/12/20/copyright-exception-may-overrule-ability-to-jailbreak-3d-printers/ | Copyright Exception May Overrule Ability To Jailbreak 3D Printers | Brian Benchoff | [
"3d Printer hacks",
"News"
] | [
"3d printer",
"copyright",
"drm",
"US Copyright Office"
] | At the end of October, the US Patent and Trademark Office renewed a rule allowing anyone to ‘jailbreak’ a 3D printer to use unapproved filament. For those of you following along from countries that haven’t sent a man to the moon, a printer that requires proprietary filament is DRM, and exceptions to the legal enforceab... | 49 | 20 | [
{
"comment_id": "4265385",
"author": "Paul",
"timestamp": "2017-12-20T12:08:01",
"content": "Surely since there are hundreds of different 3D printers on the market the answer is to buy non-DRM ones?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4265461",
... | 1,760,374,552.824701 | ||
https://hackaday.com/2017/12/20/aluminum-foil-heatsink-keeps-leds-in-check/ | Aluminum Foil Heatsink Keeps LEDs In Check | Tom Nardi | [
"hardware",
"LED Hacks"
] | [
"aluminum foil",
"cooling",
"led strip",
"lighting"
] | In your kitchen is very likely a roll of aluminum foil, like most people you probably use it to line pans or wrap food for baking. If you heard somebody used aluminum foil in the cooling of items, you could be forgiven for thinking they were referring to wrapping leftovers and tossing them in the refrigerator. But rath... | 24 | 10 | [
{
"comment_id": "4265240",
"author": "JohnU",
"timestamp": "2017-12-20T09:07:00",
"content": "I’d upgrade to an old coke can or food tin, cardboard is a flammable insulator.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4265767",
"author": "alfcoder... | 1,760,374,553.035701 | ||
https://hackaday.com/2017/12/19/home-brew-ruby-laser-packs-a-wallop/ | Home-Brew Ruby Laser Packs A Wallop | Dan Maloney | [
"Laser Hacks"
] | [
"flash",
"laser",
"microwave oven transformer",
"MOT",
"ruby",
"voltage multiplier",
"xenon"
] | In the past half-century, lasers have gone from expensive physics experiments using rods of ruby to cheap cutting or engraving tools, and toys used to tease cats. Advances in physics made it all possible, but it turns out that
ruby lasers are still a lot of fun to play with
, if you can do it without killing yourself.
... | 31 | 13 | [
{
"comment_id": "4265044",
"author": "ScriptGiddy",
"timestamp": "2017-12-20T06:15:44",
"content": "Score one for the 555.Good luck you mad lad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4265849",
"author": "nrdgrrrl",
"timestamp": "2017... | 1,760,374,552.74083 | ||
https://hackaday.com/2017/12/19/resurrecting-dead-led-lightbulbs/ | Resurrecting Dead LED Lightbulbs | Tom Nardi | [
"home hacks",
"LED Hacks",
"Teardown"
] | [
"cree",
"led bulb",
"lighting",
"salavage",
"teardown"
] | If you’ve gone down the lighting isle of a store recently, you’ve no doubt noticed we are firmly in the age of the LED light bulb. Incandescent bulbs are kept in small stock for those who still have the odd-ball use case, there’s usually a handful of CFL bulbs for those who don’t mind filling their house with explosive... | 29 | 16 | [
{
"comment_id": "4264865",
"author": "Saabman",
"timestamp": "2017-12-20T03:55:19",
"content": "That’s interesting to note he found the drivers to have failed. In the few I have disected it has been the LEDs them selves that have expired.The difference I suspect is that his appear to be mains powere... | 1,760,374,552.969909 | ||
https://hackaday.com/2017/12/19/welding-batteries-with-batteries/ | Welding Batteries With Batteries | Brian McEvoy | [
"contests"
] | [
"2017",
"2017 Coin Cell Challenge",
"2032",
"battery",
"battery terminal",
"coin cell challenge",
"cr2032",
"weld",
"welder",
"welding"
] | Welding equipment is always expensive and bulky, right? Heavens no! [Jaromir Sukuba] is making a
welder for battery tabs
which can fit in a pocket and gets its power from a coin cell. It may be expensive to power compared to a mains welder, but for the sake of portability this is quite the hack. Not only that, but it u... | 8 | 4 | [
{
"comment_id": "4264773",
"author": "Ethan",
"timestamp": "2017-12-20T02:29:47",
"content": "Not sure how practical it might be, but there’s .109g of lithium in a CR2032. Li+H2O –> Li2O + H2 (kinda). Looks like heat is something on the order of 500kJ/mol. Given there’s 6.941 g/mol, I think you shou... | 1,760,374,553.082218 | ||
https://hackaday.com/2017/12/19/a-watch-only-a-ham-can-use/ | A Watch Only A Ham Can Use | Dan Maloney | [
"Radio Hacks",
"Wearable Hacks"
] | [
"amateur radio",
"calculator",
"casio",
"disassembler",
"ham",
"hex editor",
"RF",
"smartwatch",
"transceiver"
] | We’re not sure what to make of this one. With the variety of smartwatches and fitness trackers out there, we can’t be surprised by what sort of hardware ends up strapped to wrists these days. So a watch with an RPN calculator isn’t too much of a stretch. But adding a hex editor? And a disassembler? Oh, and while you’re... | 17 | 7 | [
{
"comment_id": "4264470",
"author": "chris0x00",
"timestamp": "2017-12-19T21:44:42",
"content": "Anyone know why TI discontinued the eZ430-CHRONOS-433 watch? They kept some other versions going longer, but I think the 433 MHz version was axed first. Also CC430 based iircNice work from Mr Goodspe... | 1,760,374,553.136411 | ||
https://hackaday.com/2017/12/19/jerri-nielsen-surviving-the-last-place-on-earth/ | Jerri Nielsen: Surviving The Last Place On Earth | Dan Maloney | [
"Biography",
"Hackaday Columns",
"Interest",
"Original Art",
"Slider"
] | [
"antarctica",
"biopsy",
"cancer",
"chemotherapy",
"doctor",
"hacking when it counts",
"medical",
"self-surgery",
"surgery"
] | There may be no place on Earth less visited by humans than the South Pole. Despite a permanent research base with buildings clustered about the pole and active scientific programs, comparatively few people have made the arduous journey there. From October to February, up to 200 people may be stationed at the Amundsen-S... | 45 | 16 | [
{
"comment_id": "4264201",
"author": "Robert Thille",
"timestamp": "2017-12-19T18:25:43",
"content": "Seems like Challenger Deep is likely less visited :-)https://en.wikipedia.org/wiki/Challenger_Deep",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4266492",
... | 1,760,374,553.224618 | ||
https://hackaday.com/2017/12/22/turn-a-car-into-a-game-controller/ | Turn A Car Into A Game Controller | Bryan Cockfield | [
"car hacks"
] | [
"can-bus",
"car",
"controller",
"Joystick",
"mazda",
"projector",
"python",
"vehicle",
"video game"
] | The CAN bus has become a staple of automotive engineering since it was introduced in the late ’80s, but in parallel with the spread of electronic devices almost every single piece of equipment inside a car has been put on the CAN bus. While there are opinions on whether or not this is a good thing, the reality is that ... | 20 | 5 | [
{
"comment_id": "4269980",
"author": "Mike R",
"timestamp": "2017-12-23T07:38:30",
"content": "I couldn’t tell if he had anything under his front tires or not from the video. Turning your wheels on pavement while not moving (dry steering) is supposedly bad. I’ve seen shops use something that looks l... | 1,760,374,553.331207 | ||
https://hackaday.com/2017/12/22/living-3d-printer-filament/ | Living 3D Printer Filament | James Hobson | [
"chemistry hacks",
"Uncategorized"
] | [
"bacteria",
"biohacking",
"Biological engineering",
"cell",
"mit",
"tattoo",
"Wearables"
] | This is more than a printing filament hack — closer to bleeding edge bio-engineering — but we can’t help but be fascinated by the prospect of 3D printing with
filament that’s alive on a cellular level
.
The team from MIT led by [Xuanhe Zhao] and [Timothy Lu] have programmed bacteria cells to respond to specific compoun... | 15 | 9 | [
{
"comment_id": "4269842",
"author": "bty",
"timestamp": "2017-12-23T05:07:46",
"content": "maybe one day we’ll incorporate new organs into our genome. Like a co-processor or even a radio transceiver perhaps. no need for invasive surgery and artificial implants, just good old self-healing, self-repl... | 1,760,374,553.504278 | ||
https://hackaday.com/2017/12/22/coffee-table-model-railroad-with-all-the-bells-and-whistles-and-lights-and-sirens/ | Coffee Table Model Railroad With All The Bells And Whistles (and Lights And Sirens) | Dan Maloney | [
"classic hacks"
] | [] | For some, the allure of a real, physical world that you create and control is overwhelming. Combine that with a love of trains, and you get the model railroad. Some are incredibly detailed, and it seems like the larger the layout the better. Not everyone has the real-estate to devote to such a hobby, though, and moving... | 14 | 13 | [
{
"comment_id": "4269352",
"author": "Howard",
"timestamp": "2017-12-23T00:11:05",
"content": "Totally and completely awesome. The house fire is beautifully done, and sick and wrong on so many levels. :) Now I have a hankering for a tiny train setup.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,553.553965 | ||
https://hackaday.com/2017/12/22/vfd-puts-the-suck-back-into-desoldering-station/ | VFD Puts The Suck Back Into Desoldering Station | Dan Maloney | [
"Tool Hacks"
] | [
"desolder",
"mosfet",
"solder",
"solder sucker",
"TL494. PWM",
"variable frequency drive",
"vfd"
] | A dedicated desoldering station is a fantastic tool if you’re in the business of harvesting components from old gear. Having heat and suction in a single tool is far more convenient than futzing with spring-loaded solder suckers or braid, but only as long as the suction in the desoldering tool has a little oomph behind... | 19 | 8 | [
{
"comment_id": "4269138",
"author": "Denis",
"timestamp": "2017-12-22T21:12:39",
"content": "This sucks.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4269139",
"author": "Ren",
"timestamp": "2017-12-22T21:12:40",
"content": "Oh!I was wondering h... | 1,760,374,553.453092 | ||
https://hackaday.com/2017/12/22/rickroll-the-masses-with-a-coin-cell-throwie/ | Rickroll The Masses With A Coin Cell Throwie | Jenny List | [
"Microcontrollers",
"Musical Hacks",
"News"
] | [
"coin cell",
"Cornell University",
"prank",
"rickroll"
] | If there is one educational institution that features on these pages more than any other, it may be Cornell University. Every year we receive a pile of tips showing us the engineering term projects from [Bruce Land]’s students, and among them are some amazing pieces of work. Outside the walls of those technical departm... | 17 | 6 | [
{
"comment_id": "4269053",
"author": "Ren",
"timestamp": "2017-12-22T19:57:00",
"content": "I too wish the details of the build were available.(Not that I’d ever do something like that…)B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4269065",
"au... | 1,760,374,554.010118 | ||
https://hackaday.com/2017/12/22/art-craft-make-hack-whatever/ | Art, Craft, Make, Hack, Whatever | Jenny List | [
"Hackaday Columns",
"Rants"
] | [
"crafting",
"hacking",
"making"
] | Anyone who has spent much time reading Hackaday, or in the real world in or around a few hackspaces, will know that ours is a community of diverse interests. In the same place you will find a breathtaking range of skills and interests, people working with software, electronics, textiles, and all conceivable materials a... | 15 | 11 | [
{
"comment_id": "4268945",
"author": "Michael Black",
"timestamp": "2017-12-22T18:23:21",
"content": "A few years ago, I read a story about a native woman, maybe Nez Perce, who learned to make traditional saddles by taking one apart (“Don’t tell my mother”), and then by making mistakes. That seemed... | 1,760,374,553.81408 | ||
https://hackaday.com/2017/12/22/joule-thief-steals-in-favor-of-christmas/ | Joule Thief Steals In Favor Of Christmas | Kristina Panos | [
"Holiday Hacks",
"how-to",
"LED Hacks",
"Microcontrollers"
] | [
"2017 Coin Cell Challenge",
"blinkenlights",
"joule thief",
"leds",
"LR44",
"msp430",
"xmas tree"
] | A lot of things tend to get stretched during the holiday season, like shopping budgets and waistbands and patience. This year, [Chris] is stretching the limits of both the mini breadboard and the humble 1.5 V LR44 coin cell with
his joule thief-driven LED mini Christmas tree
.
With the push of a micro momentary, the jo... | 14 | 5 | [
{
"comment_id": "4268826",
"author": "cde",
"timestamp": "2017-12-22T16:48:35",
"content": "Or as I like to call him, SimpleMSP ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4268864",
"author": "jacques",
"timestamp": "2017-12-22T17:20:33",
"co... | 1,760,374,554.062615 | ||
https://hackaday.com/2017/12/19/a-gloriously-impractical-electromechanical-display/ | A Gloriously Impractical Electromechanical Display | Tom Nardi | [
"3d Printer hacks",
"hardware",
"Raspberry Pi"
] | [
"3d printed",
"8x8",
"display",
"electromechanical",
"Mini Maestro",
"raspberry pi"
] | For this year’s office holiday party, [Gavan Fantom] wanted to do something
really
special. Coworkers were messing with LEDs to come up with displays and decorations, but they lack that old-school feel of mechanical displays. He wanted to create something that had retro look of moving elements, but didn’t want to just ... | 28 | 13 | [
{
"comment_id": "4264059",
"author": "Mike Szczys",
"timestamp": "2017-12-19T16:35:17",
"content": "Marvelous execution on this one! I’ve wondered about building a flip dot display from scratch and think this is actually quite a bit easier but still hits the same benefits (high contrast, cool sound,... | 1,760,374,554.131565 | ||
https://hackaday.com/2017/12/19/prepping-for-power-outages/ | Prepping For Power Outages | Jenny List | [
"Featured",
"home hacks",
"Interest",
"Slider"
] | [
"emergency power",
"mains power",
"power cut"
] | When the mains power goes, we are abruptly brought face-to-face with how many of the devices and services we take for granted rely upon it. Telephones for instance, where once they were attached to the wall by a cable, now they are a cordless device with a mains-powered base station. Your cellphone can fill that gap, b... | 268 | 50 | [
{
"comment_id": "4263922",
"author": "Clara",
"timestamp": "2017-12-19T15:10:26",
"content": "Our preparations consist largely of a 10 kW military surplus diesel generator. Runs the whole house without sneezing. In extended power outages, we’re never without electricity for more than about 10 minu... | 1,760,374,554.691062 | ||
https://hackaday.com/2017/12/19/stromberg-carlson-charactron-tube/ | Stromberg Carlson Charactron Tube | Al Williams | [
"classic hacks"
] | [
"cathode ray tube",
"charactron",
"crt",
"display",
"retrocomputing",
"SAGE"
] | Flat panel TVs have spoiled us. It used to be that a big display took up a lot of room on your desk or living room because of the depth of the CRT’s electron gun. We wonder what the designers of the charactron would think if they could see our big flat screens today. Never heard of a charactron? Check out [uniservo’s]
... | 21 | 8 | [
{
"comment_id": "4263706",
"author": "Genki",
"timestamp": "2017-12-19T12:17:54",
"content": "Different video showing charactron in actionhttps://www.youtube.com/watch?v=PsWM1pIHVRc",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4263744",
"author": "... | 1,760,374,553.95654 | ||
https://hackaday.com/2017/12/19/drm-workarounds-save-arcade-cabinet/ | DRM Workarounds Save Arcade Cabinet | Bryan Cockfield | [
"Security Hacks"
] | [
"arcade",
"cabinet",
"decryption",
"dongle",
"encryption",
"game",
"konami",
"security"
] | DRM has become a four-letter word of late, with even media companies themselves abandoning the practice because of how ineffective it was. DRM wasn’t invented in the early 2000s for music, though. It’s been a practice on virtually everything where software is involved, including arcade cabinets. This is a problem for p... | 32 | 7 | [
{
"comment_id": "4262528",
"author": "yetihehe",
"timestamp": "2017-12-19T09:44:09",
"content": "> The on this cabinet is very detailedI think you something here.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4262579",
"author": "Elliot Williams",
... | 1,760,374,554.248651 | ||
https://hackaday.com/2017/12/18/geocache-locator-is-gift-that-keeps-on-giving/ | Geocache Locator Is The Gift That Keeps On Giving | Tom Nardi | [
"ATtiny Hacks",
"gps hacks",
"hardware"
] | [
"Adafruit trinket",
"geocache",
"gps",
"neopixel ring"
] | Depending on how you look at things, the holidays could be seen as either an excuse to spend money or an excuse to get creative. We imagine many Hackaday readers would rather head to their workbench than the mall when it comes time for gift giving, and [Sean Hodgins] is no different.
He came up with the idea of hiding ... | 5 | 1 | [
{
"comment_id": "4264197",
"author": "Biomed",
"timestamp": "2017-12-19T18:24:17",
"content": "Could’ve used this 10 yrs ago for Dad. Could drive fine but just could not remember where home was. Alzheimers but was still strong enough to keep his car keys. There’s your product niche! We get “Silver ... | 1,760,374,554.179698 | ||
https://hackaday.com/2017/12/18/there-are-10-kinds-of-computers-in-the-world/ | There Are 10 Kinds Of Computers In The World | Al Williams | [
"Microcontrollers"
] | [
"hackaday.io",
"multiplexer",
"ternary"
] | There’s an old joke that there are 10 kinds of people in the world. Those who know binary, those who don’t, and those who didn’t see a base three joke coming. Perhaps [Dmitry Sokolov] heard that joke because he’s built
a ternary (base 3) computer
. He claims it is the first one to be built in the last 50 years. You can... | 50 | 12 | [
{
"comment_id": "4261062",
"author": "jcwren",
"timestamp": "2017-12-19T03:16:03",
"content": "You know that originally a trinary unit was going to be called a ‘tit’, but it was deemed to be politically incorrect, even back then.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,555.420955 | ||
https://hackaday.com/2017/12/18/frankendrones-toy-quads-with-a-hobby-grade-boost/ | Frankendrones: Toy Quads With A Hobby Grade Boost | Tom Nardi | [
"drone hacks",
"Toy Hacks"
] | [
"DJI",
"flight controller",
"frankendrone",
"quadcopter",
"Syma",
"XT60"
] | If you’re not involved in the world of remote controlled vehicles, you may not know there’s a difference between “toy” and “hobby” grade hardware. For those in the RC community, a toy is the kind of thing you’ll find at a big box store: cheap, works OK, but lacking in features and build quality. On the other hand, hobb... | 3 | 2 | [
{
"comment_id": "4260825",
"author": "Olsen",
"timestamp": "2017-12-19T01:22:47",
"content": "I want to se more mods of the tiny $20 drones flying in swarm. It’d be easy to SDR a multichannel remote for control and wire a single IR led to each drone and point a pair of wiimotes at them (to form a ca... | 1,760,374,554.289155 | ||
https://hackaday.com/2017/12/17/the-miracle-of-injection-molding-how-does-it-work/ | The Miracle Of Injection Molding: How Does It Work? | Bryan Cockfield | [
"Tool Hacks"
] | [
"ball valve",
"injection mold",
"plumbing",
"valve"
] | Pretty much any household item nowadays has an involved, extremely well-thought-out manufacturing method to it, whether it’s a sheet of paper, an electrical outlet, a can of tuna, or even the house itself. Some of the stories of how these objects came to be are compelling, though, as one of the recent videos from [This... | 18 | 13 | [
{
"comment_id": "4259227",
"author": "Ostracus",
"timestamp": "2017-12-18T06:57:16",
"content": "Yeah, that would be something if one could injection mold a house.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4259446",
"author": "CRJEEA",
"... | 1,760,374,554.743987 | ||
https://hackaday.com/2017/12/17/diy-cable-chain-looks-great-stays-cheap/ | DIY Cable Chain Looks Great, Stays Cheap | Tom Nardi | [
"3d Printer hacks",
"cnc hacks",
"hardware",
"Slider"
] | [
"3d printer",
"cable chain",
"cnc",
"laser cutter",
"tips",
"wire management"
] | If you’ve built a 3D printer, CNC, laser cutter, or basically any piece of electrical equipment that moves around, then you’ve run into the problem of securing the bundle of wires that such machines always require. The easy way out is to zip tie them all up into a tight harness or put them in commercially available wra... | 50 | 23 | [
{
"comment_id": "4259038",
"author": "Bailey Horrigan",
"timestamp": "2017-12-18T03:27:25",
"content": "First.Cool, going to the dollar store tm.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4259919",
"author": "Will",
"timestamp": "2017-12... | 1,760,374,555.026297 | ||
https://hackaday.com/2017/12/17/hackaday-links-december-17-2017/ | Hackaday Links: December 17, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"74xx",
"atari",
"Atari Lynx",
"battlebots",
"coin cell",
"logic",
"workbench"
] | Where do you go if you want crazy old electronic crap? If you’re thinking a ham swap meet is the best place, think again.
[Fran] got the opportunity
to clean out the storage closet for the physics department at the University of Pennsylvania. Oh, man is there some cool stuff here. This room was filled to the brim with ... | 4 | 2 | [
{
"comment_id": "4259023",
"author": "drwho8 (@drwho8)",
"timestamp": "2017-12-18T03:16:28",
"content": "And how long will your coin cell challenge be running? Our next meeting in NYC will be around January or February of next year. I’d imagine that the host will want to mention it.Oh and its safe t... | 1,760,374,554.788672 | ||
https://hackaday.com/2017/12/17/an-mbed-in-your-browser/ | An Mbed In Your Browser | Jenny List | [
"Microcontrollers"
] | [
"arm",
"emscripten",
"mbed"
] | If you have dabbled in the world of ARM microcontrollers, you might be familiar with the Mbed platform, a software abstraction layer for a range of ARM-based small dev boards. If you don’t have an Mbed board but fancy giving it a go, you might imagine that you’d be out of luck, but [Jan Jongboom] could have an answer t... | 7 | 4 | [
{
"comment_id": "4258886",
"author": "Alejandro G. Carlstein",
"timestamp": "2017-12-18T01:14:40",
"content": "Just to let you know, the link ec2-52-211-146-247.eu-west-1.compute.amazonaws.com:7829 seems to be timing out.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comme... | 1,760,374,554.835991 | ||
https://hackaday.com/2017/12/17/cryptanalyse-your-air-con/ | Cryptanalyse Your Air Con | Lewin Day | [
"classic hacks"
] | [
"ac",
"air conditioner",
"cryptanalysis",
"decoding",
"hvac",
"infrared",
"ir"
] | Infrared remote controls are simple and ubiquitous. Emulating them with the aid of a microcontroller is a common project that hackers use to control equipment as diverse as televisions, cable boxes, and home stereos.
Some air conditioners can be a little more complicated, however, but [Ken]’s here to help.
The root of ... | 19 | 10 | [
{
"comment_id": "4258468",
"author": "mikeselectricstuff",
"timestamp": "2017-12-17T19:10:07",
"content": "For IR remotes you don’t usually need to know how the checksum works, as you can just capture the whole command including the sum and play it back",
"parent_id": null,
"depth": 1,
"... | 1,760,374,555.151211 | ||
https://hackaday.com/2017/12/17/powering-your-mining-rig-the-right-way/ | Powering Your Mining Rig The Right Way | Will Sweatman | [
"Misc Hacks"
] | [
"gpu mining",
"power supply"
] | It happens to the best of us. We power up our project and immediately run into issues. Be it spotty communication or microcontroller reset or any number of bugs that have us mystified and picking though our code… only to find that it’s a power supply issue. Anyone who has tried doing Raspberry Pi stuff and depended on ... | 36 | 3 | [
{
"comment_id": "4258311",
"author": "TGT",
"timestamp": "2017-12-17T16:46:13",
"content": "Interesting. That interlock is simple and elegant, very nice.For the voltage setting, I thought that wattage equaled volts times amps? Shouldn’t the waste heat be the same regardless of whether it’s drawing t... | 1,760,374,555.099427 | ||
https://hackaday.com/2017/12/17/final-project-for-better-sleep/ | Final Project For Better Sleep | Michael Uttmark | [
"hardware"
] | [
"arduino",
"arduino nano",
"Cornell University",
"final project",
"school",
"sleep"
] | It’s that time of year again, and students around the world are scrambling (or have already scrambled) to finish their final projects for the semester. And, while studying for finals prevents many from sleeping an adequate amount, [Julia] and [Nick] are seeking to maximize “what little sleep the [Electrical and Compute... | 14 | 6 | [
{
"comment_id": "4257861",
"author": "oshja",
"timestamp": "2017-12-17T12:14:16",
"content": "I need to drink some energy drinks before sleep, without them I just can’t sleep.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4258336",
"author": "TGT",
... | 1,760,374,555.206298 | ||
https://hackaday.com/2017/12/17/googles-aiy-vision-kit-augments-pi-with-vision-processor/ | Google’s AIY Vision Kit Augments Pi With Vision Processor | Steven Dufresne | [
"google hacks",
"Raspberry Pi"
] | [
"ai",
"AIY",
"artificial intelligence",
"artificial intelligence yourself",
"google",
"Google AIY",
"neural network",
"Raspberry Pi Zero W",
"tensorflow"
] | Google
has announced
their soon to be available
Vision Kit
, their next easy to assemble Artificial Intelligence Yourself (AIY) product. You’ll have to provide your own Raspberry Pi Zero W but that’s okay since what makes this special is Google’s VisionBonnet board that they do provide, basically a low power neural net... | 29 | 11 | [
{
"comment_id": "4257816",
"author": "SynbozyRobimiLoda",
"timestamp": "2017-12-17T11:45:06",
"content": "Every day I come and I’m amazed that you can achieve so much with so little hardware.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4258294",
"... | 1,760,374,555.278821 | ||
https://hackaday.com/2017/12/16/neural-network-learns-sdr-ham-radio/ | Neural Network Learns SDR Ham Radio | Al Williams | [
"Wireless Hacks"
] | [
"cnn",
"CUDA",
"ham radio",
"neural network",
"RTL-SDR",
"sdr"
] | Identifying ham radio signals used to be easy. Beeps were Morse code, voice was AM unless it sounded like Donald Duck in which case it was sideband. But there are dozens of modes in common use now including TV, digital data, digital voice, FM, and more coming on line every day. [Randaller] used CUDA to build a
neural n... | 19 | 5 | [
{
"comment_id": "4257507",
"author": "James Analytic",
"timestamp": "2017-12-17T07:53:59",
"content": "Wow, Randaller beat me to this with the COTS RTL-SDR. Awesome job Randaller!I was going to perform similar to my NIR work (http://www.americanlaboratory.com/914-Application-Notes/767-A-Novel-Tool-... | 1,760,374,555.331331 | ||
https://hackaday.com/2017/12/16/if-3d-printer-then-custom-aluminum-extrusion-brackets/ | If 3D Printer, Then Custom Aluminum Extrusion Brackets | Donald Papp | [
"3d Printer hacks",
"hardware"
] | [
"3d printed",
"aluminum extrusion",
"Brackets",
"customizer",
"hardware",
"nuts and bolts",
"openscad",
"stl"
] | Aluminum extrusions are a boon for mechanical assemblies, but they require a stock of brackets and other hardware to be kept on hand. [mightynozzle] has decided to make things a little easier for prototyping and low-stress assemblies by creating
a collection of 3D printable brackets for aluminum extrusions
. 3D printin... | 63 | 11 | [
{
"comment_id": "4257145",
"author": "fonz",
"timestamp": "2017-12-17T03:11:39",
"content": "you could make those brackets in 2 minutes with a saw and drill, what’s the point?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4257149",
"author": "Redha... | 1,760,374,555.840859 | ||
https://hackaday.com/2017/12/16/poor-mans-laser-scanner-probably-wont-shoot-your-eye-out-kid/ | Poor Man’s Laser Scanner Probably Won’t Shoot Your Eye Out, Kid | Dan Maloney | [
"Laser Hacks"
] | [
"cutter",
"engraver",
"laser",
"mirror",
"scanner",
"stepper",
"X-Y"
] | Yes, laser cutters that come off the slow boat from China are more affordable than ever, and with some tweaks and hacks they can turn out some decent results. But if you just want a laser lightshow that’ll draw boxes on your living room ceiling,
this simple X-Y laser scanner
might be a good platform to build.
Let’s say... | 13 | 10 | [
{
"comment_id": "4256930",
"author": "jack324",
"timestamp": "2017-12-17T00:29:43",
"content": "It may not be fast, but it does seem to be accurate. The slowmo shot shows some nice sharp corners. Might work great in 3d scanner rig along side a high speed camera for some fast 3d scans of an object.... | 1,760,374,555.888171 | ||
https://hackaday.com/2017/12/16/hangprinter-build-videos/ | Hangprinter Build Videos | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"hangprinter"
] | We figure with the rise in 3D printing, it is time for a new Finagle’s law: Any part you want to print won’t fit on your print bed. There was a time when a 100 mm x 100 mm bed was common for entry-level printers. These days, more printers have beds around (200 mm)
2
. A hangprinter’s work area can be larger. Much large... | 22 | 7 | [
{
"comment_id": "4256774",
"author": "Cree",
"timestamp": "2017-12-16T22:30:28",
"content": "100mm x 100mm amounts to 10000mm2 – so if printer beds today have 200mm2 that would mean those printers have taken a giant leap into Tinytown.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,555.739473 | ||
https://hackaday.com/2017/12/16/better-3d-printing-through-holography/ | Better 3D Printing Through Holography | Al Williams | [
"3d Printer hacks",
"News"
] | [
"3d printing",
"laser",
"lawrence livermore"
] | When most of us think about 3D printing, we usually think about a machine that melts plastic filament and extrudes it through a nozzle. But we all know that there are other technologies out there that range from cutting and laminating paper, to printing with molten metal or glass. Many of those are out of range for the... | 22 | 11 | [
{
"comment_id": "4256437",
"author": "Jan",
"timestamp": "2017-12-16T18:12:26",
"content": "This is a very promising approach to a new way of the 3D printing, thanks for posting.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4256650",
"author": "Int... | 1,760,374,555.951579 | ||
https://hackaday.com/2017/12/16/dont-get-caught-up-in-blockchain-hype/ | Don’t Get Caught Up In Blockchain Hype | Jenny List | [
"Tech Hacks"
] | [
"bitcoin",
"blockchain",
"hype"
] | It’s the story of the moment, isn’t it. As the price of Bitcoin continues on its wild and crazy rollercoaster ride, everyone’s talking about cryptocurrencies, and in almost mystical terms, about blockchains. Perhaps to be a little more accurate, we should report that they are talking about The Blockchain, a single enti... | 95 | 18 | [
{
"comment_id": "4256173",
"author": "moeb",
"timestamp": "2017-12-16T15:05:55",
"content": "It is really funny and a shame at the same time. Funny because of all the ignorants running at it like mad. Shame on the other side, because not having bought some bitcoins when it was still 2$ each… :/",
... | 1,760,374,556.098061 |
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