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https://hackaday.com/2017/07/25/hackaday-prize-entry-usb-packet-snooping/ | Hackaday Prize Entry: USB Packet Snooping | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"usb",
"USB Packet"
] | Sometimes you run into a few problems when developing your own hardware, and to solve these problems you have to build your own tools. This is exactly how [KC Lee]’s
USB Packet Snooper was created
. It’s a small device that allows for capturing and analyzing Full Speed USB traffic to debug one of [KC]’s
other
Hackaday ... | 34 | 14 | [
{
"comment_id": "3800872",
"author": "CityZen",
"timestamp": "2017-07-25T18:47:21",
"content": "Well, commercial USB analyzers are expensive, but not necessarily “far out of reach”. The Beagle full-speed analyzer is $400, the high-speed one is $1200, while super-speed is $5000. Indeed, some other ... | 1,760,374,742.848552 | ||
https://hackaday.com/2017/07/25/kim-1-to-cosmac-elf-conversion-sort-of/ | KIM-1 To COSMAC Elf Conversion — Sort Of | Al Williams | [
"Arduino Hacks",
"classic hacks",
"computer hacks",
"Hackaday Columns"
] | [
"1802",
"arduino",
"cosmac",
"cosmac elf",
"emulation",
"kim",
"kim-1",
"KIM1",
"RCA 1802",
"rca cosmac",
"retrocomputer"
] | In the mid-1970s, if you had your own computer, you probably built it. If you had a lot of money and considerable building skill, you could make an Altair 8800 for about $395 — better than the $650 to have it built. However, cheaper alternatives were not far behind.
In 1976, Popular Electronics published plans for a co... | 11 | 8 | [
{
"comment_id": "3800768",
"author": "technomalogical",
"timestamp": "2017-07-25T18:01:02",
"content": "Deep link to the exact page:http://www.americanradiohistory.com/Archive-Poptronics/70s/1976/Poptronics-1976-08.pdf#page=33",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,374,743.159151 | ||
https://hackaday.com/2017/07/25/sunday-breakfast-at-def-con/ | Sunday: Breakfast At DEF CON | Mike Szczys | [
"cons"
] | [
"breakfast at def con",
"DEF CON",
"defcon 25",
"meetup"
] | Nurse your hangover by having Breakfast at DEF CON with Hackaday this Sunday. You’re invited to our yearly ritual by marking the beginning of the end with coffee and pastries at 10:30 am.
Choosing an exact location in advance is always tricky (anyone who’s been to DEF CON understands). We’ll pick a place once we hit to... | 6 | 5 | [
{
"comment_id": "3800567",
"author": "Ostracus",
"timestamp": "2017-07-25T16:26:09",
"content": "HaD shaped marshmallows.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3800739",
"author": "Jonathan",
"timestamp": "2017-07-25T17:47:58",
... | 1,760,374,743.107193 | ||
https://hackaday.com/2017/07/25/how-to-take-pictures-of-pcbs/ | How To Take Pictures Of PCBs | Brian Benchoff | [
"digital cameras hacks"
] | [
"digital photography",
"pcbs",
"photography"
] | While we’ve covered light box builds and other DIY photography solutions, general picture-snapping tips and tricks are a bit out of the purview of what we normally write about. Nevertheless, [Alain] just put up
a great tutorial for taking pictures of PCBs
. This is a great skill to have — no one cares about what you’ve... | 50 | 20 | [
{
"comment_id": "3800443",
"author": "g2-c133535210f76855393e13f95c9684ee",
"timestamp": "2017-07-25T15:25:07",
"content": "If you’re struggling with depth of field, the there are tethering apps that can do focus stacking, which with a static scene like this (assuming your camera is on some sort of ... | 1,760,374,742.778691 | ||
https://hackaday.com/2017/07/25/earth-ground-and-the-grid/ | Earth Ground And The Grid | Steven Dufresne | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"electrical grid",
"Ground",
"ground fault",
"Ground Isolation",
"grounding",
"power grid"
] | The electrical grid transmits power over wires to our houses, and our Bryan Cockfield has covered it very well in his
Electrical Grid Demystified
series, but what part does the earth ground play? It’s commonly known to be used for safety, but did you know that in some cases it’s also used for power transmission?
Typica... | 46 | 17 | [
{
"comment_id": "3800344",
"author": "Ostracus",
"timestamp": "2017-07-25T14:29:46",
"content": "I think what confuses some is seeing the neutral and the ground bonded in the circuit panel.http://www.esgroundingsolutions.com/why-do-you-have-to-bond-the-neutral-and-the-ground-wire-in-the-main-panel/"... | 1,760,374,742.594223 | ||
https://hackaday.com/2017/07/25/hologram-io-offers-developers-free-cell-data/ | Hologram.io Offers Developers Free Cell Data | Mike Szczys | [
"Cellphone Hacks",
"News"
] | [
"2g",
"3g",
"4g",
"cellular network",
"developer",
"Developer Plan",
"Hologram Dash",
"Hologram.io",
"Konekt",
"LTE",
"sim"
] | If you’ve been thinking of adding cellular connectivity to a build, here’s a way to try out a new service for free. Hologram.io has just announced a
Developer Plan that will give you 1 megabyte of cellular data per month
. The company also offers hardware to use with the SIM, but they bill themselves as hardware agnost... | 68 | 18 | [
{
"comment_id": "3800250",
"author": "der_don (@don_hein)",
"timestamp": "2017-07-25T13:21:23",
"content": "Well. The 7.5$ price tag for shipping makes it not free. But still. This is kinda great.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3800277",
... | 1,760,374,743.062836 | ||
https://hackaday.com/2017/07/25/the-end-of-arduino-101-intel-leaves-maker-market/ | The End Of Arduino 101: Intel Leaves Maker Market | Elliot Williams | [
"Microcontrollers",
"News",
"Slider"
] | [
"arduino",
"Arduino 101",
"Curie",
"intel",
"Intel Curie",
"maker market",
"news"
] | This looks like the end of the road for Intel’s brief foray into the “maker market”. Reader [Chris] sent us in a tip that eventually leads to the discontinuation notice (
PCN115582-00
, PDF) for the Arduino 101 board. According to Intel forum post, Intel is
looking for an alternative manufacturer
. We’re not holding ou... | 81 | 38 | [
{
"comment_id": "3800129",
"author": "azerimaker",
"timestamp": "2017-07-25T11:12:53",
"content": "Last nail in the coffin…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3800895",
"author": "Dan Hugo",
"timestamp": "2017-07-25T18:56:38",
... | 1,760,374,742.964287 | ||
https://hackaday.com/2017/07/25/duocopter-does-it-with-two-fewer-propellers/ | Duocopter Does It With Two Fewer Propellers | Elliot Williams | [
"drone hacks"
] | [
"drone",
"duocopter",
"quadcopter"
] | Quads are a great ‘copter design. The paired blades counteract each others’ torque, and varying the relative speeds of the four motors makes it easy to steer. But what if you could get by with fewer blades, substituting a significantly fancier control algorithm?
[Dirk Brunner]’s
DuoCopter drone
uses two propellers that... | 15 | 6 | [
{
"comment_id": "3799991",
"author": "BoarischerModellWurster",
"timestamp": "2017-07-25T08:52:50",
"content": "I understand the attractiveness of VAV/rev (Variable Angular Velocity along a Revolution) ant this is quite a remarkable achivement! *Hat-Off*But then I would like to also see a study on p... | 1,760,374,742.694675 | ||
https://hackaday.com/2017/07/24/designing-the-atom-smasher-guitar-pedal/ | Designing The Atom Smasher Guitar Pedal | Rich Hawkes | [
"digital audio hacks",
"Musical Hacks"
] | [
"atom smasher",
"fv-1",
"guitar pedal"
] | [Alex Lynham] has been creating digital guitar pedals for a while and after releasing the Atom Smasher, a glitchy lo-fi digital delay pedal, he had people start asking him how he designed digital effects pedals rather than analog effects. In fact, he had enough interest, that he
wrote an article on it
.
The article sta... | 14 | 5 | [
{
"comment_id": "3799845",
"author": "Marvin",
"timestamp": "2017-07-25T06:11:48",
"content": "Damn interesting little Chip!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3800192",
"author": "Dax",
"timestamp": "2017-07-25T12:16:06",
"content": "I... | 1,760,374,742.645986 | ||
https://hackaday.com/2017/07/24/this-method-of-gluing-onto-curves-sucks/ | This Method Of Gluing Onto Curves Sucks! | Donald Papp | [
"Tool Hacks"
] | [
"clamps",
"curved surface",
"vacuum pack",
"vacuum sealer",
"veneer",
"wood",
"wood veneer"
] | Sometimes the right tool for a job can be unusual, and this sucked only in the sense that vacuum sealing was involved. Recently [Martin Raynsford] found himself in a situation of needing to glue a wood veneer onto a curved surface, but faced a shortage of clamps. His clever solution was to
vacuum-seal the whole thing
a... | 30 | 8 | [
{
"comment_id": "3799664",
"author": "James",
"timestamp": "2017-07-25T02:08:47",
"content": "Doesn’t the glue need exposure to air to set?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3799676",
"author": "Damian Paradis",
"timestamp": "201... | 1,760,374,742.508001 | ||
https://hackaday.com/2017/07/24/diy-illuminator-for-uv-fluorescence-photography/ | DIY Illuminator For UV Fluorescence Photography | Donald Papp | [
"digital cameras hacks",
"how-to"
] | [
"diy",
"fluorescent",
"long-wave",
"medium-wave",
"photography",
"short-wave",
"ultraviolet",
"uv"
] | The image shown is the mineral Hackmanite, which fluoresces under ultraviolet lighting. However, not all UV is created equal, and that makes a difference if you’re into UV imaging. The image for this article is from [David Prutchi] and shows the striking results of using different wavelengths of UV. [David] goes into d... | 15 | 2 | [
{
"comment_id": "3799468",
"author": "macona",
"timestamp": "2017-07-24T23:15:56",
"content": "Just be careful with the shortwave. You can give yourself sunburn, been there, done that. Also some shortwave germicidal lamps will make ozone so you got to watch out for that.",
"parent_id": null,
... | 1,760,374,743.41417 | ||
https://hackaday.com/2017/07/24/the-perfect-tourist-techno-cap/ | The Perfect Tourist Techno-Cap | Inderpreet Singh | [
"gps hacks"
] | [
"camera",
"geotag",
"geotagging",
"raspberry pi",
"zero"
] | How many times are you out on vacation and neglect to take pictures to document it all for the folks back at home? Or maybe you forgot just exactly where that awesome waterfall was. [Mark Williams] has made a
Raspberry Pi Zero enabled cap
that can take photos and geotag them with the location as well as the attitude of... | 21 | 8 | [
{
"comment_id": "3799217",
"author": "Rosi",
"timestamp": "2017-07-24T20:13:09",
"content": "“[…] with the location as well as the attitude of the camera.”Yeah, don’t you hate those moody cameras too?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3799377",
... | 1,760,374,743.359376 | ||
https://hackaday.com/2017/07/24/hackaday-prize-entry-dont-build-this/ | Hackaday Prize Entry: Don’t Build This | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"wifi",
"WiFi Jammer"
] | The ESP8266 is a remarkable piece of hardware. What we originally thought — and what was originally marketed as — a simple UART to WiFi bridge with Hayes modem commands has turned into one of the best embedded platforms around. It’s a powerful little microcontroller, it has WiFi, and it can send raw frames. That last b... | 28 | 12 | [
{
"comment_id": "3798966",
"author": "Unferium",
"timestamp": "2017-07-24T18:44:55",
"content": "Next time on hackaday prize by Benchoff:Hackaday Prize Entry: Someone Invents An Ingot Of Iron",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3799017",
"author... | 1,760,374,744.366104 | ||
https://hackaday.com/2017/07/24/monster-mindstorms-delta-bot-delicately-picks-candy/ | Monster Mindstorms Delta Bot Delicately Picks Candy | John Baichtal | [
"Hackaday Columns",
"Robots Hacks",
"Toy Hacks"
] | [
"delta bot",
"lego",
"mindstorms"
] | A group of embedded developers from Sioux Embedded Systems in Eindhoven, the Netherlands, wanted to get experience working on Microsoft .Net. To make it fun they made it their project to produce a LEGO train with visitors at LEGO World, the official LEGO convention in the Netherlands. The team developed an application ... | 6 | 4 | [
{
"comment_id": "3798805",
"author": "JWHITTEN",
"timestamp": "2017-07-24T17:27:31",
"content": "Very cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3800107",
"author": "Unferium",
"timestamp": "2017-07-25T10:48:29",
"content": "It is amazing... | 1,760,374,743.696681 | ||
https://hackaday.com/2017/07/24/hackadays-assistive-technology-challenge-begins-now/ | Hackaday’s Assistive Technology Challenge Begins Now | Mike Szczys | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"assistive technologies",
"assistive technology"
] | This morning marks a new challenge in the Hackaday Prize: we want to see what you can do with
Assistive Technology
. Twenty entries will win $1000 each, becoming part of the final round for a chance at the top prizes ranging from $5,000 to $50,000.
Assistive Technology means things that help people by improving their q... | 4 | 2 | [
{
"comment_id": "3798777",
"author": "Ostracus",
"timestamp": "2017-07-24T16:52:11",
"content": "“Assistive Technology means things that help people by improving their quality of life.”An edit button. :-p",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "379970... | 1,760,374,743.647504 | ||
https://hackaday.com/2017/07/24/simple-shop-made-taps-for-threading-wood/ | Simple Shop-made Taps For Threading Wood | Dan Maloney | [
"Tool Hacks"
] | [
"die",
"tap",
"thread",
"threaded",
"threading",
"wood",
"wooden",
"woodgears"
] | Wood can be the material of choice for many kinds of projects, but it often falls out of the running in favor of metal or plastic if it needs to take a threaded fastener. But with a little ingenuity you can
make your own wood taps
and cut threads that will perform great.
Making wood do things that wood isn’t supposed t... | 19 | 10 | [
{
"comment_id": "3798666",
"author": "reggy",
"timestamp": "2017-07-24T15:07:50",
"content": "Interesting. After cutting the flutes I would be tempted to take the bolt to my belt sander and knock off a little bit of the radius so a fresh bolt would fit tightly into the wooden hole. Interesting ide... | 1,760,374,743.951762 | ||
https://hackaday.com/2017/07/24/review-ts100-soldering-iron/ | Review: TS100 Soldering Iron | Jenny List | [
"Featured",
"Reviews",
"Slider",
"Tool Hacks"
] | [
"soldering",
"soldering iron",
"temperature controlled soldering iron",
"ts100"
] | Temperature-controlled soldering irons can be cheap, lightweight, and good. Pick any two of those attributes when you choose an iron, because you’ll never have all three. You might believe that this adage represents a cast-iron rule, no iron could possibly combine all three to make a lightweight high-performance tool t... | 88 | 32 | [
{
"comment_id": "3798595",
"author": "jimmy",
"timestamp": "2017-07-24T14:10:08",
"content": "Firmware update worked for me with Debian running Win10 in virtualbox. Just add the current user to some usb group and forward the usb device to the virtual Win10. Drag&drop rom image and you are done.",
... | 1,760,374,744.129124 | ||
https://hackaday.com/2017/07/24/meet-the-video-dj-machine/ | Meet The Video DJ Machine | Inderpreet Singh | [
"Musical Hacks"
] | [
"arduino",
"dj",
"music",
"youtube"
] | Have you ever wanted to perform as a DJ but found the equipment expensive as well as intimidating? Well, your prayers have been answered by [Dror Ayalon] who has
designed Nomnom 2
. It is an open source, music mixing project that uses up to 16 video clips to give you control of your next hit album.
You are given charge... | 6 | 3 | [
{
"comment_id": "3798404",
"author": "indiscript",
"timestamp": "2017-07-24T11:31:30",
"content": "there isn’t any beatmatching routines in the code. which is okay for now, in these modern times.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3798505",
... | 1,760,374,743.737159 | ||
https://hackaday.com/2017/07/24/controlling-a-micro-helicopter-with-a-ps2-controller/ | Controlling A Micro Helicopter With A PS2 Controller | Lewin Day | [
"Toy Hacks"
] | [
"helicopter",
"infrared",
"ir",
"ir control",
"Syma",
"syma s107g"
] | The Syma S107G is a venerable stalwart of the micro helicopter market. Affordable, robust, and ubiquitous, the S107G relies on infrared to receive its control signals. Emboldened by the prior work of others,
[Robert] set out to control his with a Playstation 2 controller.
In this project, [Robert] is standing on the sh... | 10 | 5 | [
{
"comment_id": "3798338",
"author": "bitned",
"timestamp": "2017-07-24T10:32:48",
"content": "Why don’t you read the ps2 controller directly from arduino?try to google : “ps2 controller arduino” .Great job anyway!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,743.879741 | ||
https://hackaday.com/2017/07/23/simulating-snakes-and-ladders-for-fun-not-profit/ | Simulating Snakes And Ladders For Fun, Not Profit | Lewin Day | [
"classic hacks"
] | [
"board game",
"board games",
"boardgame",
"game theory",
"games",
"markov chains",
"maths",
"snakes and ladders"
] | A great many of you will remember the game of Snakes and Ladders from your youth. It’s a simple game, which one grows to realise involves absolutely no skill – it’s purely the luck of the dice. [Alex Laratro] noticed that without player decisions to effect the outcome,
the game was thus a prime candidate for simulation... | 11 | 5 | [
{
"comment_id": "3798240",
"author": "Mats S",
"timestamp": "2017-07-24T08:51:52",
"content": "I’d like to read it, but not so much that I’d sign up for LinkedIn.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3798282",
"author": "Megol",
"ti... | 1,760,374,743.997067 | ||
https://hackaday.com/2017/07/23/ok-google-navigate-to-the-international-space-station/ | Ok Google. Navigate To The International Space Station | Al Williams | [
"News"
] | [
"google",
"google street view",
"international space station",
"iss",
"nasa",
"space",
"street view"
] | If you’d have asked most people a few decades ago if they wanted a picture of every street address in the world, they would have probably looked at you like you were crazy. But turns out that Google Street View is handy for several reasons. Sure, it is easy to check out the neighborhood around that cheap hotel before y... | 18 | 6 | [
{
"comment_id": "3798032",
"author": "RoGeorge",
"timestamp": "2017-07-24T03:53:02",
"content": "ISS live stream:http://www.ustream.tv/embed/17074538",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3798035",
"author": "RoGeorge",
"timestamp": ... | 1,760,374,744.181588 | ||
https://hackaday.com/2017/07/23/hackaday-links-july-23-2017/ | Hackaday Links: July 23, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"apollo",
"cubesat",
"DC darknet",
"DEF CON",
"fiberglass",
"Gigabyte",
"Hackaday Prize",
"JSC",
"kickstarter"
] | Hey, you know what’s happening
right now
? We’re wrapping up the third round of The Hackaday Prize. This challenge,
Wheels, Wings, and Walkers
, is dedicated to things that move. If it’s a robot, it qualifies, if it’s a plane, it qualifies, if it passes butter, it qualifies.
There’s only a short time for you to get you... | 21 | 8 | [
{
"comment_id": "3797758",
"author": "???? ????",
"timestamp": "2017-07-24T00:14:24",
"content": "Oh look they made a movie about Brian, boy must he feel so “special”.https://www.youtube.com/watch?v=wRx2da1L0Ls",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,374,744.238033 | ||
https://hackaday.com/2017/07/23/hackaday-prize-entry-minimalist-http/ | Hackaday Prize Entry: Minimalist HTTP | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"HTTP",
"IoT",
"server",
"web server"
] | For his Hackaday Prize entry, [Yann] is building something that isn’t hardware, but it’s still fascinating. He’s come up with a minimalist HTTP compliant server written in C. It’s small, it’s portable, and in some cases, it will be a bunch better solution than throwing a full Linux stack into a single sensor.
This micr... | 27 | 9 | [
{
"comment_id": "3797584",
"author": "Yann Guidon / YGDES",
"timestamp": "2017-07-23T20:21:41",
"content": "Thank you Brian, it’s a pretty good summary, I was too waist-deep in the code to come up with it :-)The HTTaP module is going to be upgraded to a better, more modular system so people don’t ha... | 1,760,374,744.660768 | ||
https://hackaday.com/2017/07/23/automatic-phone-dialer-illuminates-inner-workings/ | Automatic Phone Dialer Illuminates Inner Workings | Bryan Cockfield | [
"Phone Hacks"
] | [
"arduino",
"dialer",
"dtmf",
"microcontroller",
"phone",
"phreaking",
"touch tone"
] | The invention of the transistor ushered in a lot of technologies that we now take for granted, and one of the less-thought-about areas that it improved living conditions worldwide was by making the touch-tone phone possible. No longer would the world have to fuss with dials to make phone calls, they could simply push s... | 11 | 7 | [
{
"comment_id": "3797463",
"author": "Jan Helebrant (@jhelebrant)",
"timestamp": "2017-07-23T17:08:48",
"content": "Am I right that this can be used to build something like docking station for a phone so that for example elderly or visually impaired users can use it? For example something with huge ... | 1,760,374,744.416187 | ||
https://hackaday.com/2017/07/23/huge-functionality-small-package-a-custom-tablet-raspberry-style/ | Huge Functionality, Small Package: A Custom Tablet, Raspberry Style | James Hobson | [
"Raspberry Pi",
"Slider",
"Tablet Hacks"
] | [
"custom",
"Daemon",
"tablet",
"touchscreen",
"woodworking"
] | As the adage goes, “if you want something done right, do it yourself.” Desirous of a tablet but preferring to eschew consumer models, [Stefan Vorkoetter] constructed his own compact and lightweight
Raspberry Pi tablet
, covering several extra miles in the process.
The tablet makes use of a Raspberry Pi 3 and the offici... | 35 | 19 | [
{
"comment_id": "3797346",
"author": "Togg",
"timestamp": "2017-07-23T14:31:18",
"content": "Fancy. If you showed it to me and said it was Apple’s long lost first iPhone or iPad prototype I would have believed you because it looks so professional.",
"parent_id": null,
"depth": 1,
"replie... | 1,760,374,744.492554 | ||
https://hackaday.com/2017/07/23/game-gear-hdmi-with-snes-controller/ | Game Gear HDMI With SNES Controller | Bryan Cockfield | [
"handhelds hacks"
] | [
"controller",
"fpga",
"game gear",
"handheld",
"hdmi",
"sega",
"snes",
"sonic"
] | With its backlit color screen and Master System compatibility, the Game Gear was years ahead of its main competition. The major downside was that it tore through alkaline batteries quickly, and for that reason the cheaper but less equipped Game Boy was still able to compete. Since we live in the future, however, the Ga... | 10 | 5 | [
{
"comment_id": "3797232",
"author": "Gravis",
"timestamp": "2017-07-23T11:58:25",
"content": "[youtubehttps://www.youtube.com/watch?v=Bt9zSfinwFA?rel=0&showinfo=0&w=560&h=315%5D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3797259",
"author": "Dav... | 1,760,374,744.70464 | ||
https://hackaday.com/2017/07/23/play-it-again-arduino/ | Play It Again, Arduino | Al Williams | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"music",
"music xml",
"mxl"
] | [MrRedBeard] wanted to play a particular song from an Arduino program and got tired of trying to hand transcribe the notes. A little research turned up that there was a project to convert Music XML (MXL) files to the Arduino. However, [MrRedBeard] wasn’t a fan of the language it used, so he
created his own means of doi... | 11 | 7 | [
{
"comment_id": "3797126",
"author": "Daniel",
"timestamp": "2017-07-23T10:06:46",
"content": "Every application like MuseScore that can edit MusicXML files can also save standard MIDI files (.mid). Music XML files are meant to preserve the layout of the score on paper. Standard MIDI files only care... | 1,760,374,744.753697 | ||
https://hackaday.com/2017/07/22/virtual-cpu-stays-on-script/ | Virtual CPU Stays On Script | Al Williams | [
"computer hacks"
] | [
"assembler",
"cpu",
"javascript"
] | Some will see it as a great thing, and others as an example of how JavaScript is being abused daily, but [Francis Stokes] decided to design his own CPU architecture and implemented a virtual version of it
using JavaScript
. The CPU is a 16-bit affair and has a simplified assembly language. The code is on
GitHub
, but t... | 16 | 8 | [
{
"comment_id": "3796570",
"author": "Tucson Tom",
"timestamp": "2017-07-23T06:08:14",
"content": "I won’t start any language wars here (I kinda like Javascript frankly), but I am starting to wonder if Javascript is becoming the lingua franca of the new generation of programmers. In other words ev... | 1,760,374,744.805718 | ||
https://hackaday.com/2017/07/22/control-the-volume/ | Control The Volume | Inderpreet Singh | [
"Arduino Hacks"
] | [
"diy",
"HMI",
"keyboard",
"Trinket"
] | For anyone who has owned a boombox or an old(er) cassette player, the digital age volume controls feel incredibly awkward. Keep pressing buttons to get the volume just right can get tiresome real quick. The volume knob just makes sense and in a simple project, [Jeremy S Cook] brings us the
Custom Computer Volume Contro... | 24 | 14 | [
{
"comment_id": "3796425",
"author": "Saabman",
"timestamp": "2017-07-23T02:25:42",
"content": "The up and down buttons on a radio relay don’t cut it…I’ve noticed on car radios over the years they from knob to buttons and now back to a knob again.It would be neat to be able to adapt this device to m... | 1,760,374,744.938247 | ||
https://hackaday.com/2017/07/22/hackaday-prize-entry-open-source-patient-monitor/ | Hackaday Prize Entry: Open Source Patient Monitor | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ekg",
"pulse oximeter"
] | Vital sign monitors are usually found in developed countries; they just cost too much for less affluent communities to afford.
The HealthyPi project
aims to change that by developing an inexpensive but accurate monitor using a Raspberry Pi, a custom hat studded with sensors, and a touch screen. The resulting monitor co... | 24 | 8 | [
{
"comment_id": "3796272",
"author": "redpi11",
"timestamp": "2017-07-22T23:29:38",
"content": "That’s great, but it’s not open source. The Raspberry Pi hardware and software are closed. You don’t a complete schematic nor sources to the Broadcom kernel modules.",
"parent_id": null,
"depth"... | 1,760,374,744.999024 | ||
https://hackaday.com/2017/07/22/uk-to-register-multirotor-fliers/ | UK To Register Multirotor Fliers | Jenny List | [
"drone hacks",
"News"
] | [
"drone",
"drone registration",
"multirotor",
"uk"
] | The British government has shown a surprisingly light touch towards drone fliers in the face of the strident media demands for them to be banned following a series of reports of near-misses with other aircraft. That is about to change with reports of
the announcement of a registration scheme
for craft weighing over 250... | 34 | 19 | [
{
"comment_id": "3796072",
"author": "Dan",
"timestamp": "2017-07-22T20:27:20",
"content": "Levelling the rules between commercial and hobby fliers is probably a good thing. We don’t say only taxi drivers need a driving test. If commercial fliers do, so do hobbyists – and likely more so as they’re p... | 1,760,374,744.877509 | ||
https://hackaday.com/2017/07/22/how-to-turn-an-animation-into-a-soap-bubble-machine/ | How To Turn An Animation Into A Soap Bubble Machine | Steven Dufresne | [
"Misc Hacks"
] | [
"bubble",
"bubble machine",
"bubble maker",
"soap"
] | Post an animation on Reddit of a workable machine that looks neat and does something cool and the next day someone will have built it. That’s what happened when [The-Big-Ship] uploaded an
animation of a clever bubble making machine
— though we had to look twice to convince ourselves that it wasn’t real. The next day [O... | 15 | 8 | [
{
"comment_id": "3795830",
"author": "Ostracus",
"timestamp": "2017-07-22T17:04:04",
"content": "“We often hear that you need precision CAD software such as Solidworks and AutoCAD to design a functional machine but the animation was done using Cinema 4D, used for films such as Iron Man 3 and Tron: L... | 1,760,374,745.083605 | ||
https://hackaday.com/2017/07/22/rogeorge-attacks-a-pulse-meter/ | RoGeorge Attacks A Pulse Meter | Elliot Williams | [
"hardware"
] | [
"heart monitor",
"heart rate monitor",
"opencv",
"reverse engineering",
"tricks"
] | The “Crivit Sports” is an inexpensive chest-strap monitor that displays your current pulse rate on a dedicated wristwatch. This would be much more useful, and presumably more expensive, if it had a logging option, or any way to export your pulse data to a more capable device. So [RoGeorge] got to work. Each post of the... | 2 | 1 | [
{
"comment_id": "3798641",
"author": "elwing",
"timestamp": "2017-07-24T14:53:57",
"content": "I like the RF pickup… really good hackish idea",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3799193",
"author": "Elliot Williams",
"timestamp": "... | 1,760,374,745.15234 | ||
https://hackaday.com/2017/07/22/using-a-decade-counter-to-make-leds-flash/ | Using A Decade Counter To Make LEDs Flash | John Baichtal | [
"hardware"
] | [
"4017",
"decade counter",
"leds"
] | [Andrea De Napoli] created a
LED display consisting of a half-dozen LEDs
connected to the inverted signals of a CD4017 decade counter, giving the effect that a dark LED is running back and forth. The CD4017 works by activating 10 outputs, one at a time, as controlled by a clock signal sent to pin 14.
The first and last... | 21 | 10 | [
{
"comment_id": "3795524",
"author": "Alex Rossie",
"timestamp": "2017-07-22T11:34:37",
"content": "There was a time when the first electronics everyone did (not talking primary school hook up light bulb to batteries) was with a 4017 and a 555.Googling to find the history of the 4017 I see it’s now ... | 1,760,374,745.211444 | ||
https://hackaday.com/2017/07/22/talking-to-a-lamp/ | Talking To A Lamp | Inderpreet Singh | [
"home hacks"
] | [
"ESP8266",
"IoT",
"lamp",
"light"
] | Barking commands at furniture seems a bit odd but with voice controlled home automation platforms becoming the norm, you may be spending more time talking to your light fixtures than your kids. In one such project, [Becky Stern] used
an Alexa Dot and an ESP8266 respond to voice commands
.
The design uses the Alexa Dot ... | 10 | 6 | [
{
"comment_id": "3795222",
"author": "Brendan Sleight",
"timestamp": "2017-07-22T09:06:54",
"content": "Great video and the fauxmoesp is a great library, something to code this evening. Spot on hack-a-day",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3795697"... | 1,760,374,745.255116 | ||
https://hackaday.com/2017/07/21/read-amiga-floppies-using-an-arduino/ | Read Amiga Floppies Using An Arduino | Jenny List | [
"Arduino Hacks",
"classic hacks"
] | [
"3.5\" floppy disk",
"amiga",
"amiga floppy",
"floppy"
] | So you spent your youth learning your craft in front of an Amiga 500+, but a quarter century later all you have left is a broken computer and a pile of floppies you can’t read any more. What’s to be done? This was the position [Rob Smith] found himself in, and since some of the commercial solutions to ripping Amiga flo... | 21 | 7 | [
{
"comment_id": "3794557",
"author": "Ostracus",
"timestamp": "2017-07-22T05:18:14",
"content": "PRUs might have helped.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3795133",
"author": "Vince",
"timestamp": "2017-07-22T08:33:53",
"... | 1,760,374,745.313815 | ||
https://hackaday.com/2017/07/21/vexriscv-a-modular-risc-v-implementation-for-fpga/ | VexRiscv: A Modular RISC-V Implementation For FPGA | Al Williams | [
"FPGA"
] | [
"cpu",
"custom cpu",
"fpga",
"RISC-V",
"spinalhdl",
"verilog",
"vhdl"
] | Since an FPGA is just a sea of digital logic components on a chip, it isn’t uncommon to build a CPU using at least part of the FPGA’s circuitry. VexRiscv is an implementation of the
RISC-V CPU
architecture using a language called SpinalHDL.
SpinalHDL is a high-level language conceptually similar to Verilog or VHDL and ... | 16 | 5 | [
{
"comment_id": "3794420",
"author": "Ostracus",
"timestamp": "2017-07-22T03:29:55",
"content": "Considering all the complaints about Intel AMT and AMD PSP, not to mention the equivalent in other CPUs, we may see more open-source CPUs.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,374,745.367249 | ||
https://hackaday.com/2017/07/21/the-tuna-fish-sandwich-foundry/ | The Tuna Fish Sandwich Foundry | Dan Maloney | [
"Misc Hacks"
] | [
"aluminum",
"carbon foam",
"casting",
"choocher",
"foundry",
"lost foam",
"pyrolysis",
"skookum"
] | Can you build
a foundry out of a loaf of bread and a can of tuna fish
? As it turns out, yes you can. And not only can you melt aluminum in said foundry but you can also make a mold from plain beach sand and cast a usable part.
Through the magic of backwoods engineering and that can-do Canadian attitude, [AvE] demonstr... | 37 | 8 | [
{
"comment_id": "3794140",
"author": "Josh",
"timestamp": "2017-07-22T00:13:14",
"content": "Bow before our new MacGyver hacking overlord.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3794206",
"author": "Jenn",
"timestamp": "2017-07-22T00:59:33",
... | 1,760,374,745.443214 | ||
https://hackaday.com/2017/07/21/worlds-largest-super-soaker-is-dangerously-good-clean-fun/ | World’s Largest Super Soaker Is Dangerously Good Clean Fun | Dan Maloney | [
"Misc Hacks",
"Toy Hacks"
] | [
"high pressure",
"hose",
"nitrogen",
"pressure washer",
"super soaker"
] | Running around while dousing each other with Super Soakers and screaming in delight is de rigueur on suburban lawns on hot summer days, but if you build
this giant replica of a Super Soaker that can double as a pressure washer
, you might have the upper edge on the neighborhood gang.
You may remember [Mark Rober] from ... | 10 | 5 | [
{
"comment_id": "3793872",
"author": "Leithoa",
"timestamp": "2017-07-21T21:00:36",
"content": "Seems a shame for all the work that went into it a laminar nozzle wasn’t on the end.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3794572",
"author": "R... | 1,760,374,745.538854 | ||
https://hackaday.com/2017/07/21/hackaday-prize-entry-hydroponic-garden-control/ | Hackaday Prize Entry: Hydroponic Garden Control | John Baichtal | [
"The Hackaday Prize"
] | [
"ESP8266",
"hydroponics",
"raspberry pi"
] | [Todd Christell] grows tomatoes in hydroponic buckets in his backyard, and recently he suffered a crop loss when a mechanical timer failed to dispense the nutrient flow as directed. He decided the solution was to
add a sensor array to his home network.
[Todd]’s home automation setup runs on a Raspberry Pi loaded with J... | 12 | 5 | [
{
"comment_id": "3793750",
"author": "Ostracus",
"timestamp": "2017-07-21T19:48:30",
"content": "Got to get into hydroponics sometimes. Sure beats the old fashion way. Bet it scales better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3796378",
"au... | 1,760,374,745.592651 | ||
https://hackaday.com/2017/07/21/linux-fu-better-bash-scripting/ | Linux Fu: Better Bash Scripting | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Skills",
"Slider",
"Software Development"
] | [
"bash",
"linux",
"Linux Fu",
"shell script"
] | It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that it is as fast as a compiled C program, but that’s not why it exists. While a lot of people use shell scripts as an analo... | 85 | 24 | [
{
"comment_id": "3793522",
"author": "Ostracus",
"timestamp": "2017-07-21T17:12:02",
"content": "So how does it compare to other Unix/MS shells?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3793724",
"author": "Charlie strauss",
"timestamp"... | 1,760,374,746.059475 | ||
https://hackaday.com/2017/07/21/electric-skateboard-rocks-the-giant-lego/ | Electric Skateboard Rocks The Giant LEGO | John Baichtal | [
"Toy Hacks"
] | [
"3d printed",
"lego",
"skateboard"
] | [James Bruton] built an
electric skateboard
out of oversized LEGO bricks he printed himself, and equipped the board with an excellent re-creation of a classic motor.
He began by downloading brick, gear, and pulley designs from Thingiverse and printing them up five times their normal size, taking 600 hours. The deck con... | 7 | 3 | [
{
"comment_id": "3793465",
"author": "Matt",
"timestamp": "2017-07-21T16:21:56",
"content": "Oh my god this is incredible. My childhood dreams fulfilled.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3793476",
"author": "Internet",
"timestamp": "2017-... | 1,760,374,745.811787 | ||
https://hackaday.com/2017/07/20/diy-air-cannon-snags-drones-from-the-sky/ | DIY Air Cannon Snags Drones From The Sky | Dan Maloney | [
"drone hacks",
"Misc Hacks"
] | [
".NET",
"cannon",
"compressed air",
"drone",
"launcher",
"privacy"
] | Who hasn’t had the experience of a pesky drone buzzing around that family picnic, or hovering over a suburban backyard where bikini-clad daughters are trying to sunbathe in peace? A shotgun used to suffice for such occasions, but with
this compressed-air powered drone catcher
, there’s no need to worry about illegally ... | 44 | 14 | [
{
"comment_id": "3791753",
"author": "gd",
"timestamp": "2017-07-20T20:44:23",
"content": "could it be done just by compressed air? then no projectiles to worry about.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3791765",
"author": "Frenchgeek",
... | 1,760,374,746.139842 | ||
https://hackaday.com/2017/07/20/hackaday-prize-entry-disaster-recovery-wifi/ | Hackaday Prize Entry: Disaster Recovery WiFi | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"disaster",
"mesh network"
] | The Meshpoint project originated in Croatia during the 2015 Syrian refugee crisis, when [Valent Turkovic] and other volunteers noticed that first responders, including NGOs like Greenpeace and the Red Cross, often struggled to set up communications in the field. They came to the conclusion that they couldn’t rely on th... | 37 | 10 | [
{
"comment_id": "3791612",
"author": "djsmiley2k",
"timestamp": "2017-07-20T18:52:07",
"content": "Just want to say, this is epic. It’s the kind of thing I’ve been wondering why it doesn’t exist, for the last 5-10 years. Something that quickly,easily, and autonomously brings up wireless access (even... | 1,760,374,746.212998 | ||
https://hackaday.com/2017/07/20/books-you-should-read-the-idea-factory/ | Books You Should Read: The Idea Factory | Mike Szczys | [
"Featured",
"History"
] | [
"att",
"bell labs",
"books you should read",
"Jon Gertner",
"The Idea Factory"
] | You’ve heard of Bell Labs, but likely you can’t go far beyond naming the most well-known of discoveries from the Lab: the invention of the transistor. It’s a remarkable accomplishment of technological research, the electronic switch on which all of our modern digital society has been built. But the Bell Labs story goes... | 27 | 16 | [
{
"comment_id": "3791433",
"author": "Tommy Gober",
"timestamp": "2017-07-20T17:19:48",
"content": "The Master Switch (http://amzn.to/2ueKwhR) is also an interesting read as well. It’s not about Bell Labs alone but jumps back and forth between other industries (presumably to keep the timeline consis... | 1,760,374,746.286229 | ||
https://hackaday.com/2017/07/20/heads-up-display-turns-car-into-fighter-jet/ | Heads-Up Display Turns Car Into Fighter Jet | Bryan Cockfield | [
"car hacks"
] | [
"airplane",
"can-bus",
"car",
"fighter jet",
"heads up display",
"led strip",
"microcontroller",
"Teensy"
] | While most of us will never set foot in a fighter jet, some of us can still try to get as close as possible. One of the most eye-catching features of a fighter jet (at least from the pilot’s point-of-view) is the heads-up display, so that’s exactly what [Frank] decided to
build into his car to give it that touch of fig... | 31 | 8 | [
{
"comment_id": "3791305",
"author": "AGTrier",
"timestamp": "2017-07-20T15:34:07",
"content": "I’d rather add a guided-missile launcher.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3791342",
"author": "Jerry",
"timestamp": "2017-07-20T16:... | 1,760,374,746.350662 | ||
https://hackaday.com/2017/07/20/first-men-on-the-moon/ | Beyond A Boot Print: The Lasting Effect Of Apollo On Humanity | Al Williams | [
"Featured",
"History",
"Slider"
] | [
"aldrin",
"apollo 11",
"Armstrong",
"moon",
"Moon landing",
"nasa",
"space race"
] | July 20th, 1969 was the day that people from Earth set foot on different soil for the first time. Here we are 48 years later, and the world’s space programs are — well — not very close to returning to the moon. If you aren’t old enough to remember, it was really amazing. The world was in a lot of turmoil in the 1960s (... | 78 | 17 | [
{
"comment_id": "3791055",
"author": "Alphatek",
"timestamp": "2017-07-20T14:21:26",
"content": "I’ll leave this here:https://www.youtube.com/watch?v=w-o7ge8zylI",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3791704",
"author": "RoGeorge",
"... | 1,760,374,746.468772 | ||
https://hackaday.com/2017/07/20/scio-pocket-molecular-scanner-teardown/ | SCiO “Pocket Molecular Scanner” Teardown | Donald Papp | [
"chemistry hacks",
"Teardown"
] | [
"kickstarter",
"NIR",
"SCiO",
"spectrometer",
"spectroscopy",
"teardown"
] | Some of you may remember the
SCiO
, originally a Kickstarter darling back in 2014 that promised people a pocket-sized micro spectrometer. It was claimed to be able to scan and determine the composition of everything from fruits and produce to your own body. The road from successful crowdsourcing to production was uncer... | 21 | 11 | [
{
"comment_id": "3790749",
"author": "Ostracus",
"timestamp": "2017-07-20T11:08:29",
"content": "“The basic concept of portable spectroscopy is solid…”No doubt, but I assume there are some limitations as well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3... | 1,760,374,746.527496 | ||
https://hackaday.com/2017/07/20/old-intercom-gets-googled-with-raspberry-pi-and-aiy-hat/ | Old Intercom Gets Googled With Raspberry Pi And AIY Hat | Dan Maloney | [
"classic hacks",
"google hacks"
] | [
"Google AIY",
"google voice",
"hat",
"IFTTT",
"intercom",
"raspberry pi"
] | Old Radio Shack intercom; brand new Google Voice interface for a Raspberry Pi. One of these things is not like the other, but they ended up together in
this retro-look Google Voice interface
, and the results are pretty slick.
The recipient of the Google hive-mind transplant was one of three wireless FM intercoms [Mist... | 2 | 2 | [
{
"comment_id": "3790753",
"author": "Ostracus",
"timestamp": "2017-07-20T11:10:14",
"content": "Wonder if they got the intercom from a certain “going-out-of-business” sale/auction?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3790812",
"author": "Ken",
... | 1,760,374,746.565743 | ||
https://hackaday.com/2017/07/21/hackaday-eclipse-meetups/ | Hackaday Eclipse Meetups | Mike Szczys | [
"cons",
"Slider"
] | [
"eclipse",
"meetup",
"solar eclipse"
] | Hackaday is all over this eclipse. There are thousands of members of the Hackaday community headed to a narrow swath of the United States on August 21st to revel in an incredibly rare, scientifically predictable life experience: a total eclipse of the sun.
Do not do it in solitude, get together and celebrate! Check out... | 46 | 21 | [
{
"comment_id": "3793386",
"author": "Mike Szczys",
"timestamp": "2017-07-21T15:08:45",
"content": "I’m headed to central Missouri for my eclipse viewing. Hosting with a guy named Jordan who I met in the comments of Dan Maloney’s eclipse post back in January. Looking forward to meeting him and other... | 1,760,374,746.653543 | ||
https://hackaday.com/2017/07/21/serious-dx-the-deep-space-network/ | Serious DX: The Deep Space Network | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Radio Hacks"
] | [
"Cassini",
"Deep Space Network",
"dish",
"DSN",
"ESA",
"jpl",
"Juno",
"microwave",
"nasa",
"radio",
"reflector",
"satellite",
"Saturn",
"voyager"
] | Humanity has been a spacefaring species for barely sixty years now. In that brief time, we’ve fairly mastered the business of putting objects into orbit around the Earth, and done so with such gusto that a cloud of both useful and useless objects now surrounds us. Communicating with satellites in Earth orbit is almost ... | 28 | 12 | [
{
"comment_id": "3793363",
"author": "komradebob",
"timestamp": "2017-07-21T14:57:32",
"content": "Awsome!These systems are really incredible. Don’t forget they have to track that spacecraft and account for doppler not only while it is moving, but while the planet is rotating and circling the sun. N... | 1,760,374,748.600748 | ||
https://hackaday.com/2017/07/21/push-button-receive-beverage/ | Push Button, Receive Beverage! | James Hobson | [
"how-to",
"Misc Hacks"
] | [
"555",
"air pump",
"automatic",
"beverage",
"dispenser",
"drink",
"food",
"potentiometer",
"safe",
"timer"
] | Here’s a rec-room ready hack: an
automatic drink dispenser
.
[truebassB]’s dispenser operates around a 555 timer, adjusted by a potentiometer. Push a button and a cup pours in a few seconds, or hold the other button to dispense as much as you want.
The dispenser is made from MDF and particle board glued together, with ... | 9 | 6 | [
{
"comment_id": "3792911",
"author": "ben",
"timestamp": "2017-07-21T11:15:58",
"content": "Hmm… this gives me an idea for an automated coffee/etc. dispenser:Use a cheap (Neato) LIDAR to detect the cup — this not only tells you that the cup is adequately centered (refuse to fill if not) but also giv... | 1,760,374,748.244077 | ||
https://hackaday.com/2017/07/21/dc-motor-whirligig-generates-power/ | DC Motor Whirligig Generates Power | Adam Fabio | [
"classic hacks"
] | [
"dc motor",
"generator",
"whirligig"
] | Everyone knows that if you spin the shaft of a DC motor, it will generate power. [Vapsvus] has found a novel way to do this with no direct mechanical connection to the shaft. He simply taped a loop of string around to the motor can.
This effectively turns the motor into a whirligig
. Flip the motor to give the string a... | 25 | 11 | [
{
"comment_id": "3792423",
"author": "Mike Massen",
"timestamp": "2017-07-21T08:26:21",
"content": "ThanksGreat demonstration, isnt delta rotational momentum great stuff, might Isuggest explore that with a configuration of the Faraday Paradox in a3D3 motor rotating mass re exploiting the static (non... | 1,760,374,748.354355 | ||
https://hackaday.com/2017/07/20/rf-noise-floor-concerns-from-both-sides-of-the-atlantic/ | RF Noise Floor Concerns From Both Sides Of The Atlantic | Jenny List | [
"News",
"Radio Hacks"
] | [
"emc",
"fcc",
"IARU",
"noise floor",
"rf noise"
] | Our feed is full of stories about the RF noise floor today, and with good reason. The ARRL reports on the International Amateur Radio Union Region 1 president, [Don Beattie, G3BJ] warning that in densely populated parts of Europe there is a danger that
parts of the RF spectrum have become so swamped with noise as to be... | 47 | 15 | [
{
"comment_id": "3792310",
"author": "John",
"timestamp": "2017-07-21T06:26:50",
"content": "Maybe it’s time to introduce Faraday cages into building specifications. :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3792312",
"author": "Doug",
"timesta... | 1,760,374,748.688073 | ||
https://hackaday.com/2017/07/20/robot-car-follows-wherever-you-go/ | Robot Car Follows Wherever You Go | Inderpreet Singh | [
"Toy Hacks"
] | [
"car",
"diy",
"follow",
"opencv",
"raspberry pi"
] | Having a pet can really make a difference to your happiness at the end of the day, but they’re also a lot of work. This project by [Ioannis Stoltidis] does something similar — minus all the responsibility. The
Smart Car Follower Project
is designed to track people using Bluetooth and IR and follow them around from room... | 9 | 6 | [
{
"comment_id": "3792026",
"author": "darkspr1te",
"timestamp": "2017-07-21T02:13:24",
"content": "Change that boring car shell for a spider or cockroach shell and you gotta sale",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3793001",
"author": "mb",
... | 1,760,374,748.734099 | ||
https://hackaday.com/2017/07/20/charge-your-phone-on-an-iron-throne/ | Charge Your Phone On An Iron Throne | Adam Fabio | [
"classic hacks",
"iphone hacks"
] | [
"Game of thrones",
"GoT",
"Iron throne"
] | Game of Thrones season 7 is finally here! [Hoecrux] is celebrating by
building a GoT inspired cell phone charger
. No, this isn’t a 3D print, nor is it vacuum molded. This iron throne was hand made from hundreds of cocktail swords. The frame of the chair is made from medium density fiberboard (MDF). The frame is covere... | 8 | 6 | [
{
"comment_id": "3791989",
"author": "Ostracus",
"timestamp": "2017-07-21T01:31:05",
"content": "Hopefully the real throne isn’t that uncomfortable.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3792051",
"author": "localroger",
"timestamp": "2017-07-... | 1,760,374,748.292089 | ||
https://hackaday.com/2017/07/19/take-control-of-your-cheap-laser-cutter/ | Take Control Of Your Cheap Laser Cutter | Jenny List | [
"Software Hacks"
] | [
"K40",
"laser cutter",
"laser engraver"
] | The relatively inexpensive K40 laser cutter/engraver machines from China have brought laser cutting to the masses, but they are not without their faults. Sure, they’re only powerful enough for the lightest cutting tasks, but on top of that, their bundled software is inflexible and disappointing. If your workshop or hac... | 24 | 12 | [
{
"comment_id": "3790455",
"author": "0xfred",
"timestamp": "2017-07-20T06:25:45",
"content": "The “stock M2 Nano” might be a bit misleading. I’m sure these lasers come with a number of different boards. Mine was a moshi board for instance.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,748.94605 | ||
https://hackaday.com/2017/07/19/lethal-led-lantern-leaks-lotsa-leccy/ | Lethal LED Lantern Leaks Lotsa ‘Leccy | Jenny List | [
"Teardown"
] | [
"electrical safety",
"Galvanic Isolation",
"mains voltage",
"safety"
] | When you take an item with you on a camping trip and it fails, you are not normally in a position to replace it immediately, thus you have the choice of fixing it there and then, or doing without it. When his LED camping lantern failed, [Mark Smith] was in the lucky position of camping at a friend’s compound equipped w... | 39 | 10 | [
{
"comment_id": "3789748",
"author": "THOMAS JOHNS",
"timestamp": "2017-07-20T02:07:48",
"content": "Big Clive did a review/teardown of a lantern that looked just like this one.https://youtu.be/QwqFkelUs_g",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "37905... | 1,760,374,748.882305 | ||
https://hackaday.com/2017/07/19/innovating-a-backyard-solar-battery-system/ | Innovating A Backyard Solar Battery System | James Hobson | [
"Arduino Hacks",
"Raspberry Pi",
"Solar Hacks"
] | [
"ATmega168",
"battery",
"control",
"deep cycle",
"panel",
"power",
"remote",
"solar"
] | Ever on the lookout for creative applications for tech, [Andres Leon] built a solar powered battery system to keep his Christmas lights shining. It worked, but — pushing for innovation — it is now capable of
so much more
.
The shorthand of this system is two, 100 amp-hour, deep-cycle AGM batteries charged by four, 100 ... | 33 | 5 | [
{
"comment_id": "3789470",
"author": "Josh",
"timestamp": "2017-07-20T00:37:21",
"content": "That’s funny, an hour ago I was selecting deep cycle AGM batteries for a 3kW solar array. Flooded lead acid is better but only if you keep it watered properly, which is a pain for off-grid stuff. LiPo4 is ar... | 1,760,374,748.809486 | ||
https://hackaday.com/2017/07/19/def-con-badgelife-the-esp-rules-all/ | DEF CON Badgelife: The ESP Rules All | Brian Benchoff | [
"cons",
"Reviews"
] | [
"badgelife",
"conference badge",
"cons",
"DEF CON",
"defcon",
"Hacker Warehouse",
"review"
] | Badgelife is the celebration of independent hardware creators, working for months at a time to bring custom electronic badges to conferences around the world. This year at DEF CON, Badgelife is huge. It’s not just because this year was supposed to feature a non-electronic badge, and it’s not because
the official badge ... | 8 | 5 | [
{
"comment_id": "3789218",
"author": "j s",
"timestamp": "2017-07-19T21:57:07",
"content": "Are they going to put their documentation up on github?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3790030",
"author": "Dmitry Grinberg",
"timestamp": "2017... | 1,760,374,748.527974 | ||
https://hackaday.com/2017/07/19/hackaday-prize-entry-beaglelogic/ | Hackaday Prize Entry: BeagleLogic | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"BeagleLogic",
"Octavo Systems",
"OSD3358"
] | A few years ago, [Kumar] created the BeagleLogic, a 14-channel, 100 MSPS logic analyzer for the BeagleBone as an entry for the Hackaday Prize. This is a fantastic tool that takes advantage of the PRUs in the BeagleBone to give anyone with a BeagleBone a very capable logic analyzer for not much cash.
This year, [Kumar] ... | 17 | 6 | [
{
"comment_id": "3788782",
"author": "EmptyJay",
"timestamp": "2017-07-19T18:56:44",
"content": "Because I was wondering, and I bet others are, too.PRU: programmable real-time unit",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3788858",
"author": "Cknopp"... | 1,760,374,749.001491 | ||
https://hackaday.com/2017/07/19/the-4-20-ma-current-loop/ | The 4-20 MA Current Loop | Dan Maloney | [
"Engineering",
"Featured",
"Slider"
] | [
"3-15 psi",
"4-20 mA",
"actuator",
"current loop",
"factory",
"industrial automation",
"pneumatic",
"process control",
"sensor"
] | The I/O capabilities built into most microcontrollers make it easy to measure the analog world. Say you want to build a data logger for temperature. All you need to do is get some kind of sensor that has a linear voltage output that represents the temperature range you need to monitor — zero to five volts representing ... | 114 | 31 | [
{
"comment_id": "3788634",
"author": "philosiraptor117",
"timestamp": "2017-07-19T17:04:22",
"content": "OR just use a digital sensor",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3788637",
"author": "philosiraptor117",
"timestamp": "2017-07... | 1,760,374,749.411689 | ||
https://hackaday.com/2017/07/19/friday-hack-chat-making-electronics-for-education/ | Friday Hack Chat: Making Electronics For Education | Brian Benchoff | [
"Hackaday Columns"
] | [
"educational",
"Hack Chat",
"Tindie"
] | For this week’s Hack Chat on
Hackaday.io
, we’ll be talking with AnnMarie Thomas about
making electronics for education
. There’s a huge intersection between electronics and education, and whether you’re designing robots for a FIRST team or designing a geometry curriculum around 3D-printed objects, there’s a lot electr... | 5 | 2 | [
{
"comment_id": "3788644",
"author": "Ostracus",
"timestamp": "2017-07-19T17:11:34",
"content": "“For this week’s Hack Chat, we’ll be talking about how to define how technology and education can intersect. ”Lots of intersection. Results however…hmmm.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,374,749.256629 | ||
https://hackaday.com/2017/07/19/raspberry-pi-trackpad-from-salvaged-trackpad-plus-arduino/ | Raspberry Pi Trackpad From Salvaged Trackpad Plus Arduino | Steven Dufresne | [
"Arduino Hacks"
] | [
"Arduino Leonardo",
"Arduino micro",
"arduino pro micro",
"raspberry pi",
"trackpad"
] | Old laptops are easy to find and many have a trackpad with a PS/2 interface hardwired into the guts of the laptop. [Build It] wanted one of those trackpads for use in the DIY Raspberry Pi laptop he’s working on. But the Raspberry Pi has no PS/2 input, and he read that a PS/2 to USB adapter wouldn’t be reliable enough. ... | 39 | 10 | [
{
"comment_id": "3788339",
"author": "Ostracus",
"timestamp": "2017-07-19T15:02:53",
"content": "Not a fan of trackpads. Give me the nipple.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3788558",
"author": "Erik Johnson",
"timestamp": "2017... | 1,760,374,749.208049 | ||
https://hackaday.com/2017/07/19/paul-horowitz-and-the-search-for-extra-terrestrial-intelligence/ | Paul Horowitz And The Search For Extra Terrestrial Intelligence | Gregory L. Charvat | [
"Hackaday Columns",
"Interest",
"Radio Hacks",
"Slider"
] | [
"Horowitz & Hill",
"Paul Horowitz",
"Radio Telescope",
"Search for Extra Terrestrial Life",
"SETI",
"The Art of Electronics"
] | I recently had the opportunity to attend a lecture by Harvard Professor Paul Horowitz. It’s a name you likely recognize. He is best known for his iconic book
the Art of Electronics
which is often referred to not by its name but by the last names of the authors: “Horowitz and Hill”.
Beyond that, what do you know about P... | 91 | 18 | [
{
"comment_id": "3788317",
"author": "Steven-X",
"timestamp": "2017-07-19T14:24:51",
"content": "Cool radio telescope. I want to build one in high school (1970’s) but did have access to any surplus (hell, my neighbors would not cough up old tube based clock radios because they thought i’d shock my s... | 1,760,374,749.640554 | ||
https://hackaday.com/2017/07/19/this-isnt-the-r2-d2-controller-youre-looking-for/ | This Isn’t The R2-D2 Controller You’re Looking For | James Hobson | [
"Nintendo Wii Hacks",
"Robots Hacks"
] | [
"controller",
"nunchuck",
"R2-D2",
"remote",
"robot",
"star",
"Wars",
"wii"
] | Who loves a good R2-D2 robot? Everyone, but especially young Star Wars fans who — frustratingly — have no problem spotting a controller and spoiling the illusion of an R2 unit brought to life. [Bithead942]’s concealed his R2-D2’s remote and re-establishes the illusion of an autonomous droid — no
Jedi mind-tricks necess... | 7 | 4 | [
{
"comment_id": "3788335",
"author": "ds",
"timestamp": "2017-07-19T14:52:55",
"content": "Handy. In the R2 builders club, someone also sells a stealth system that has similar controllers at a much smaller size.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,750.039975 | ||
https://hackaday.com/2017/07/19/i-am-an-iconoscope/ | I Am An Iconoscope | Elliot Williams | [
"classic hacks",
"Slider",
"Video Hacks"
] | [
"camera",
"iconoscope",
"japan",
"japanese",
"restoration",
"retrotech",
"Tech",
"tv",
"video"
] | We’d never seen an iconoscope before. And that’s reason enough to watch the
quirky Japanese, first-person video
of a retired broadcast engineer’s loving restoration. (Embedded below.)
Quick
iconoscope
primer. It was the first video camera tube, invented in the mid-20s, and used from the mid-30s to mid-40s. It worked by... | 26 | 13 | [
{
"comment_id": "3787977",
"author": "DanRiches",
"timestamp": "2017-07-19T08:51:08",
"content": "How fantastic is that!! What a great build and a memorial to the hard work and dedication of early television engineering by rebuilding what still is a great camera. I have to day his lab is almost as f... | 1,760,374,749.919783 | ||
https://hackaday.com/2017/07/18/almost-an-amiga-for-not-a-lot/ | Almost An Amiga For Not A Lot | Jenny List | [
"classic hacks"
] | [
"amiga",
"emulator",
"raspberry pi",
"retrocomputer"
] | If you ask someone old enough to have been a computer user in the 16-bit era what machine they had, you’ll receive a variety of answers mentioning Commodore, Atari, Apple, or even PC brands. If your informant lay in the Commodore camp though, you’ll probably have an impassioned tale about their Amiga, its capabilities,... | 36 | 12 | [
{
"comment_id": "3787685",
"author": "Ostracus",
"timestamp": "2017-07-19T06:02:33",
"content": "“For Amiga enthusiasts without the eye-watering sums required to secure one of the new Amiga-compatible machines with a PowerPC or similar at its heart, the only option to relive the glory beside finding... | 1,760,374,749.714076 | ||
https://hackaday.com/2017/07/18/the-site-of-a-hundred-languages/ | The Site Of A Hundred Languages | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"programming languages",
"tio",
"try it out"
] | Silent film star [Lon Chaney] had the nickname “man of a thousand faces.” The
Try It Out website
(tio.run) might well be the site of a hundred languages. Well, in all fairness, they only have 97 “practical” languages, but they do have 172 “recreational languages” but the site of 269 languages doesn’t trip off the tong... | 37 | 13 | [
{
"comment_id": "3787461",
"author": "???? ????",
"timestamp": "2017-07-19T02:37:21",
"content": "Needs a clickable genealogy map, perhaps like this?http://rigaux.org/language-study/diagram.pngAnd a classification system like this,https://web.archive.org/web/20120615142223/http://people.ku.edu:80/~... | 1,760,374,749.790203 | ||
https://hackaday.com/2017/07/18/backchannel-uart-without-the-uart/ | Backchannel UART Without The UART | Inderpreet Singh | [
"Microcontrollers"
] | [
"debug",
"hack",
"printf",
"uart"
] | Anyone who has worked with a microcontroller is familiar with using
printf
as a makeshift debugger. This method is called tracing and it comes with the limitation that it uses up a UART peripheral. Believe it or not, there are 8051 variants out there that come with only one serial block and you are out of luck if your ... | 22 | 13 | [
{
"comment_id": "3786998",
"author": "Berry",
"timestamp": "2017-07-18T23:06:14",
"content": "Oh God I wish that I had half of this when I was a kid.There are so so many things going on and being done.It is so so COOL. I love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,749.852478 | ||
https://hackaday.com/2017/07/18/def-con-badgelife-someone-finally-did-it/ | DEF CON Badgelife: Someone Finally Did It | Brian Benchoff | [
"cons"
] | [
"badge",
"badgelife",
"DEF CON",
"defcon 25",
"quadcopter"
] | Badgelife is the celebration of electronic conference badges, a way of life that involves spending far too much time handling the logistics of electronics manufacturing, and an awesome hashtag on Twitter. Badgelife isn’t a new thing; it’s been around for a few years, but every summer we see a massive uptick in the lead... | 12 | 7 | [
{
"comment_id": "3786593",
"author": "addy771",
"timestamp": "2017-07-18T20:07:34",
"content": "terrible*",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3786612",
"author": "joe lowe",
"timestamp": "2017-07-18T20:14:55",
"content": "I... | 1,760,374,749.97388 | ||
https://hackaday.com/2017/07/18/hackaday-prize-entry-dongle-for-a-headless-pi/ | Hackaday Prize Entry: Dongle For A Headless Pi | Elliot Williams | [
"Misc Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ble",
"bluetooth",
"keyboard",
"mouse",
"raspberry pi",
"usb"
] | Mass production means that there’s a lot of great hardware out there for dirt cheap. But it also means that the manufacturer isn’t going to spend years working on the firmware to squeeze every last feature out of it. Nope, that’s up to us.
[deqing] took a Bluetooth Low Energy / USB dongle and re-vamped the firmware to
... | 27 | 10 | [
{
"comment_id": "3786410",
"author": "nospam",
"timestamp": "2017-07-18T18:41:09",
"content": "I want to see a dongle that will take any HDMI output and turn an iPad or android tablet to dummy video display screen or even a graphics terminal. Instant portable debug unit for headless systems when SS... | 1,760,374,750.107053 | ||
https://hackaday.com/2017/07/18/hitching-a-ride-on-a-missile/ | Hitching A Ride On A Missile | Bryan Cockfield | [
"Featured",
"Original Art"
] | [
"atlas",
"gemini",
"mercury",
"missile",
"nasa",
"space"
] | Before the Saturn V rocket carried men to the moon, a number of smaller rockets carried men on suborbital and orbital flights around the Earth. These rockets weren’t purpose-built for this task, though. In fact, the first rockets that carried people into outer space were repurposed ballistic missiles, originally design... | 71 | 19 | [
{
"comment_id": "3786241",
"author": "Ostracus",
"timestamp": "2017-07-18T17:25:25",
"content": "“Hitching a Ride on a Missile”Dr Strangelove.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3786266",
"author": "Whatnot",
"timestamp": "2017-07... | 1,760,374,750.702295 | ||
https://hackaday.com/2017/07/18/beautiful-diy-spot-welder-reminds-us-we-love-3d-printing/ | Beautiful DIY Spot Welder Reminds Us We Love 3D Printing | Elliot Williams | [
"3d Printer hacks",
"Tool Hacks"
] | [
"3d printed",
"battery tab",
"spot welder",
"tab welder",
"welder"
] | [Jim Conner]’s
DIY tab spot welder
is the sweetest spot welder we’ve ever seen. And we’re not ashamed to admit that
we’ve said that before
.
The essence of a spot welder is nothing more than a microwave oven transformer rewound to produce low voltage and high current instead of vice-versa. Some people control the pulse... | 23 | 7 | [
{
"comment_id": "3786028",
"author": "TacticalNinja",
"timestamp": "2017-07-18T15:43:50",
"content": "That’s awesome looks off-the-shelf.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3786125",
"author": "Najge",
"timestamp": "2017-07-18T16:35:41",
... | 1,760,374,750.245492 | ||
https://hackaday.com/2017/07/18/rovers-to-the-rescue-robot-missions-tackles-trash/ | Rovers To The Rescue: Robot Missions Tackles Trash | John Baichtal | [
"Engineering",
"Featured",
"Robots Hacks"
] | [
"autonomous",
"environmental cleanup",
"Erin Kennedy",
"Robot Missions",
"robotgrrl",
"swarm robotics",
"trash collection"
] | Everyone knows plastic trash is a problem with junk filling up landfills and scattering beaches. It’s worse because rather than dissolving completely, plastic breaks down into smaller chunks of plastic, small enough to be ingested by birds and fish, loading them up with indigestible gutfill. Natural disasters compound ... | 15 | 7 | [
{
"comment_id": "3785641",
"author": "Jos",
"timestamp": "2017-07-18T14:23:04",
"content": "The post speaks of a “PVA-printed” chassis, but I hope they mean PLA.Water-soluble PVA might not be the best choice to ride around on a beach, not even considering the mechanical properties..PLA is probably a... | 1,760,374,750.183033 | ||
https://hackaday.com/2017/07/18/microorganisms-cant-hide-from-droposcope/ | Microorganisms Can’t Hide From DropoScope | Donald Papp | [
"how-to",
"Laser Hacks"
] | [
"biology",
"laser",
"laser cut",
"microorganisms",
"microscope",
"projector",
"water",
"water drop projector"
] | The
DropoScope
is a water-drop projector that works by projecting a laser through a drop of water, ideally
dirty
water crawling with microorganisms. With the right adjustments, a bright spot of light is projected onto a nearby wall, revealing a magnified image of the tiny animals within. Single celled organisms show up... | 12 | 9 | [
{
"comment_id": "3785309",
"author": "None",
"timestamp": "2017-07-18T12:42:42",
"content": "The Exploratorium in San Francisco had a water drop laser projection microscope in 2016 that controlled the drop size automatically (motorized syringe with optical sensor feedback). The web site results only... | 1,760,374,750.597603 | ||
https://hackaday.com/2017/07/18/customize-forstner-bits-for-fidget-spinner-explosions/ | Customize Forstner Bits For Fidget Spinner Explosions | Brian Benchoff | [
"Tool Hacks"
] | [
"Fidget Spinner",
"matthias wandel",
"until morale improves"
] | [Matthias Wandel] is a woodworker par excellence. He’s the guy behind all those wooden gear contraptions, he made cove molding
on a table saw
, and if the phrase, ‘don’t do this unless you know what you’re doing’ applies to anyone, it applies to [Matthias]. Now he’s getting into the fidget spinner craze, but there’s a ... | 31 | 8 | [
{
"comment_id": "3784744",
"author": "Paul Slootman",
"timestamp": "2017-07-18T08:35:25",
"content": "Or just get a metric 22mm drill…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3784853",
"author": "Martin",
"timestamp": "2017-07-18T09:20... | 1,760,374,751.018054 | ||
https://hackaday.com/2017/07/17/the-acorn-archimedes-at-30/ | The Acorn Archimedes At 30 | Jenny List | [
"computer hacks"
] | [
"acorn archimedes",
"archimedes",
"arm"
] | The trouble with being an incidental witness to the start of something that later becomes world-changing is that at the time you are rarely aware of what you are seeing. Take the Acorn Archimedes, the home computer for which the first ARM processor was developed,
and which has just turned 30
. If you were a British sch... | 25 | 9 | [
{
"comment_id": "3784787",
"author": "JohnU",
"timestamp": "2017-07-18T08:52:46",
"content": "My memory of these was that it was a bit Betamax Vs VHS, the schools were saturated with BBC Micros and there was huge amounts of software for them (and the teachers understood them), and then PC’s were gai... | 1,760,374,750.95423 | ||
https://hackaday.com/2017/07/17/using-the-gpu-from-javascript/ | Using The GPU From JavaScript | Al Williams | [
"Slider",
"Software Development",
"Software Hacks"
] | [
"cluster",
"gpu",
"parallel computing",
"WebGL"
] | Everyone knows that writing programs that exploit the GPU (Graphics Processing Unit) in your computer’s video card requires special arcane tools, right? Well, thanks to [Matthew Saw], [Fazil Sapuan], and [Cheah Eugene], perhaps not. At a hackathon, they turned out a Javascript library that allows you to create “kernel”... | 50 | 20 | [
{
"comment_id": "3783847",
"author": "halherta",
"timestamp": "2017-07-18T02:18:38",
"content": "Javascript is simply not an ideal language for this sort of thing. Just like C is a non-ideal choice web development; especially for front-end web design. We should always try to use the right programmin... | 1,760,374,751.208434 | ||
https://hackaday.com/2017/07/17/3d-printed-math-grenade/ | 3D Printed Math Grenade | Inderpreet Singh | [
"3d Printer hacks"
] | [
"calculator",
"Curta",
"diy",
"retro"
] | Calculator hacks are fun and educational and an awesome way to show-off how 1337 your skills are. [Marcus Wu] is a maker who likes 3D printing and his
Jumbo Curta Mechanical Calculator
is a project from a different era. For those who are unfamiliar with the
Curta
, it is a mechanical calculator that was the brainchild ... | 23 | 5 | [
{
"comment_id": "3783461",
"author": "Anybodysguess",
"timestamp": "2017-07-17T23:11:56",
"content": "I wish someone would make replicas, like real ones the same as the original. I want one, they are intriguing, but I’m not a collector and don’t put that kind of value on them.",
"parent_id": nu... | 1,760,374,750.759744 | ||
https://hackaday.com/2017/07/17/hacking-ibeacons-for-automating-routines/ | Hacking IBeacons For Automating Routines | Inderpreet Singh | [
"iphone hacks",
"Software Hacks"
] | [
"automate",
"hack",
"ibeacon",
"Starbucks",
"uber"
] | Every self-respecting hacker has an automation hack somewhere in his/her bag of tricks. There are a lot of modern-day technologies that facilitate the functionality like GPS, scripting apps, and even IFTTT. In an interesting hack, [Nick Lee] has combined iBeacons and a reverse engineered Starbucks API to create
an auto... | 17 | 6 | [
{
"comment_id": "3783091",
"author": "Eric",
"timestamp": "2017-07-17T20:33:52",
"content": "Starbucks used to be really insecure, but earlier this year they started a bug bounty program and now their websites are like a fortress. It’s pretty cool how fast they were able to lock everything up once t... | 1,760,374,751.07476 | ||
https://hackaday.com/2017/07/17/best-product-entry-emulating-memory/ | Best Product Entry: Emulating Memory | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"memory",
"SAM4S",
"spi"
] | For this year’s Hackaday Prize, we’re giving everyone the opportunity to be a hardware startup. This is the
Best Product portion of the Hackaday Prize
, a contest that will award $30,000 and a residency in our Design Lab to the best hardware project that is also a product.
Imagine all the memory chips in all the landfi... | 9 | 9 | [
{
"comment_id": "3782761",
"author": "me",
"timestamp": "2017-07-17T18:31:38",
"content": "Really needs an illustration that is a play on Total Recall!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3782928",
"author": "bobby staples",
"timestamp": "20... | 1,760,374,751.121471 | ||
https://hackaday.com/2017/07/17/ask-hackaday-selling-yourself-as-a-hacker/ | Ask Hackaday: Selling Yourself As A Hacker | Dan Maloney | [
"Ask Hackaday",
"Business",
"Slider"
] | [
"employment",
"entrepreneur",
"job",
"networking",
"resume"
] | While there are plenty of hackers that hack just for the love of it, it’s no secret that many of us are looking to hit it big someday. Tales of the businesses like HP and Apple that started in someone’s garage inevitably lead to musings like, “Hey, I’ve got a garage!” and grand plans to turn that special idea into the
... | 84 | 31 | [
{
"comment_id": "3782581",
"author": "Ostracus",
"timestamp": "2017-07-17T17:09:03",
"content": "“Take me for instance. I was trained as a biologist, got my Bachelor’s and Master’s degrees, and set about looking for a job. I found work in a biotech startup doing exactly what I was trained to do — ru... | 1,760,374,751.337872 | ||
https://hackaday.com/2017/07/17/completely-owning-the-dreamcast-add-on-you-never-hadcompletely-owning-the-dreamcast-add-on-you-never-had/ | Completely Owning The Dreamcast Add-on You Never Had | Elliot Williams | [
"handhelds hacks",
"hardware"
] | [
"disassembly",
"dreamcast",
"emulation",
"Flappy Bird",
"hack",
"mame",
"reverse engineering",
"ROM dump",
"sega",
"vmu"
] | If you’ve got a SEGA Dreamcast kicking around in a closet somewhere, and you still have the underutilized add-on Visual Memory Unit (VMU), you’re in for a treat today. If not, but you enjoy incredibly detailed hacks into the depths of slightly aged silicon, you’ll be even more excited. Because [Dmitry Grinberg] has
a V... | 30 | 13 | [
{
"comment_id": "3782345",
"author": "Ostracus",
"timestamp": "2017-07-17T15:35:05",
"content": "Emulation:==turtles all the way down.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3782411",
"author": "randomuser",
"timestamp": "2017-07-17T15:57:53",
... | 1,760,374,751.400013 | ||
https://hackaday.com/2017/07/16/flush-out-car-thieves-with-a-key-fob-jammer-locator/ | Flush Out Car Thieves With A Key Fob Jammer Locator | Dan Maloney | [
"car hacks",
"Radio Hacks",
"Slider"
] | [
"car",
"crime",
"ISM",
"key fob",
"radio direction finding",
"RDF",
"sdr",
"thief"
] | We all do it — park our cars, thumb the lock button on the key fob, and trust that our ride will be there when we get back. But there could be evildoers lurking in that parking lot, preventing you from locking up by using a powerful RF jammer. If you want to be sure your car is safe, you might want to scan the lot with... | 97 | 21 | [
{
"comment_id": "3777579",
"author": "morder",
"timestamp": "2017-07-16T17:06:16",
"content": "My car automatically locks when the keyfob is out of range. Sounds like this would just lock my car faster",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3778202",... | 1,760,374,751.559341 | ||
https://hackaday.com/2017/07/16/slimline-nixie-clocks/ | Slimline Nixie Clocks | Brian Benchoff | [
"clock hacks"
] | [
"IN-14",
"nixie",
"nixie clock",
"tube"
] | Everyone needs to build a Nixie clock at some point. It’s a fantastic learning opportunity; not only do you get to play around with high voltages and tooobs, but there’s also the joy of sourcing obsolete components and figuring out the mechanical side of electronic design as well. [wouterdevinck] recently took up the c... | 26 | 8 | [
{
"comment_id": "3776867",
"author": "iojsrh",
"timestamp": "2017-07-16T14:11:01",
"content": "I’d hit it with a baseball bat.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3777591",
"author": "Josh bensadon",
"timestamp": "2017-07-16T17:08:... | 1,760,374,752.195166 | ||
https://hackaday.com/2017/07/16/three-thumbs-way-way-up/ | Three Thumbs, Way, Way Up! | James Hobson | [
"hardware",
"Slider",
"Wearable Hacks"
] | [
"augmentation",
"bluetooth",
"hand",
"human",
"Ninjaflex",
"Prosthesis",
"servo",
"thumb"
] | At least one in their lives — or several times a day — everyone has wished they had a third hand to help them with a given task. Adding a mechanical extra arm to one’s outfit is a big step, so it might make sense to smart small, and first
add an extra thumb
to your hand.
This is not a prosthetic in the traditional sens... | 58 | 23 | [
{
"comment_id": "3776308",
"author": "Dave Davidson",
"timestamp": "2017-07-16T11:45:27",
"content": "Watch out the Catholic church might burn her as a witch for defying Gods design or some such thing IDK, This is cool if only a neural interface controller were attached.",
"parent_id": null,
... | 1,760,374,752.128163 | ||
https://hackaday.com/2017/07/16/hey-nasa-do-you-want-your-stuff-back/ | Hey NASA, Do You Want Your Stuff Back? | James Hobson | [
"hardware",
"News",
"Slider"
] | [
"aerospace",
"archive",
"astronomy",
"exploration",
"nasa",
"space",
"tape"
] | What would you do if you found hidden away artifacts of
aerospace technology from the Apollo era
?
You call NASA.
Two hulking computers — likely necessitating the use of a crane to move them — and hundreds of tape reels were discovered in the basement of a former IBM engineer by their heir and a scrap dealer cleaning o... | 53 | 16 | [
{
"comment_id": "3775711",
"author": "RandyKC",
"timestamp": "2017-07-16T08:20:48",
"content": "My guess is that this is the computer that put the “computers” out of business. I’d love the display racks from the photo.Sad part is the engineer died that brought the computer home. I would have loved ... | 1,760,374,751.866485 | ||
https://hackaday.com/2017/07/15/irising-chicken-coop-door/ | Irising Chicken Coop Door | Rich Hawkes | [
"hardware"
] | [
"chicken coop door",
"chickens",
"iris"
] | What’s cooler than a door that irises open and closed? Not much. They add a nice science-fictiony detail to any entryway. [Zposner]’s dad wanted an automatic door for his chicken coop, so [zposner] took some time and came up with a nice
door for him with an iris mechanism
. You’ll need to watch the video.
[Zposner] use... | 26 | 12 | [
{
"comment_id": "3775100",
"author": "Togg",
"timestamp": "2017-07-16T05:23:18",
"content": "How does it avoid decapitating chickens?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3775267",
"author": "Fred",
"timestamp": "2017-07-16T06:03:58... | 1,760,374,751.771252 | ||
https://hackaday.com/2017/07/15/the-sound-of-synthesized-music/ | The Sound Of (Synthesized) Music | Al Williams | [
"Musical Hacks"
] | [
"adsr",
"adsr envelope generator",
"attack",
"decay",
"envelope generator",
"release",
"sustain",
"synthesizer"
] | What’s an ADSR envelope generator? If you are a big music hacker, you probably know. If you are like the rest of us, you might need to read
[Mich’s] post
to find out that it is an attack-decay-sustain-release (ADSR) envelope generator. Still confused? It is a circuit used in music synthesis. You can see a demo of the d... | 7 | 7 | [
{
"comment_id": "3774741",
"author": "rnjacobs",
"timestamp": "2017-07-16T03:54:32",
"content": "Requesting a new Logic Noise article using this :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3775310",
"author": "Ashamed of this site",
"timestamp": ... | 1,760,374,751.710893 | ||
https://hackaday.com/2017/07/15/using-3d-printing-to-speed-up-conventional-manufacturing/ | Using 3D Printing To Speed Up Conventional Manufacturing | Lewin Day | [
"3d Printer hacks"
] | [
"3d printing",
"fixtures",
"jigs"
] | 3D printers, is there anything they can’t do? Of course, and to many across the world, they’re little more than glorified keychain factories. Despite this, there’s yet another great application for 3D printers –
they can be used to add speed and flexibility to traditional manufacturing operations.
A key feature of many... | 20 | 11 | [
{
"comment_id": "3773778",
"author": "Vice Chief",
"timestamp": "2017-07-15T23:38:17",
"content": "In my last two engineering jobs, we did this all the time. We made everything from gluing and painting jigs, to custom height standoffs, to copies of precious hardware (imagine a machined part that you... | 1,760,374,751.920143 | ||
https://hackaday.com/2017/07/17/conventional-current-vs-electron-current/ | Conventional Current Vs. Electron Current | Steven Dufresne | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"Benjamin Franklin",
"convention",
"electron",
"faraday",
"thomson"
] | Electric current comes in many forms: current in a wire, flow of ions between the plates of a battery and between plates during electrolysis, as arcs, sparks, and so on. However, here on Hackaday we mostly deal with the current in a wire. But which way does that current flow in that wire? There are two possibilities de... | 58 | 24 | [
{
"comment_id": "3782168",
"author": "vaclavblazek",
"timestamp": "2017-07-17T14:22:11",
"content": "As always, there is an XKCD comics covering this topic:https://xkcd.com/567/.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3789800",
"author": "Ste... | 1,760,374,752.302474 | ||
https://hackaday.com/2017/07/17/plc-vs-arduino-show-down/ | PLC Vs Arduino Show Down | Al Williams | [
"Arduino Hacks"
] | [
"arudio",
"Industrial Control",
"pid",
"plc"
] | Hackaday readers don’t need an introduction to the Arduino. But in industrial control applications, programmable logic controllers or PLCs are far more common. These are small rugged devices that can do simple things like monitor switches and control actuators. Being ruggedized, they are typically reasonably expensive,... | 84 | 20 | [
{
"comment_id": "3781680",
"author": "Michael",
"timestamp": "2017-07-17T11:17:31",
"content": "there is a good 4-20mA loop to arduino conversion totorial(ish) video over at [AVE’s] youtube channel, seems not that big of an issue…. I believe [AVE] was looking into a pressure gauge for a project to ... | 1,760,374,752.52204 | ||
https://hackaday.com/2017/07/17/the-cheapest-meter-on-banggood/ | The Cheapest Meter On Banggood | Al Williams | [
"News",
"Reviews"
] | [
"banggood",
"fluke",
"multimeter",
"review"
] | According to [pileofstuff], he didn’t really need another digital multimeter. However, when he saw a DT-832 meter on Banggood for the princely sum for $4.99 he wondered just what kind of meter you’d get for that price. You can see his conclusions in his
recent video
(below). He does make it clear, by the way, that he w... | 61 | 28 | [
{
"comment_id": "3781246",
"author": "2ftg",
"timestamp": "2017-07-17T08:18:40",
"content": "And with Fluke you can expect 40eur 200mA fuses.While I understand the reasons why they use a really good and safe fuse there, in my tabletop use case normal glass fuses are ok.And that’s why I use my chines... | 1,760,374,752.399243 | ||
https://hackaday.com/2017/07/16/make-some-noise-with-the-typewriter-keyboard/ | Make Some Noise With The Typewriter Keyboard | Inderpreet Singh | [
"Arduino Hacks"
] | [
"diy",
"hack",
"typewriter"
] | Are you an angry programmer? Do you get the frequent urge to smash the return key or space bar after finishing every single line of code? Well then [Konstantin Schauwecker]’s
typewriter keyboard
is just the thing for you. In his project, [Konstantin] hacked a German Olympia Monica typewriter into a USB keyboard.
The pr... | 11 | 9 | [
{
"comment_id": "3780850",
"author": "???? ????",
"timestamp": "2017-07-17T05:42:34",
"content": "I approve of the way the hack was executed without any permanent damage to the artefact.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3781259",
"autho... | 1,760,374,752.57076 | ||
https://hackaday.com/2017/07/16/radioheads-greatest-hits-for-the-zx-spectrum/ | Radiohead’s Greatest Hits For The ZX Spectrum | Al Williams | [
"Musical Hacks",
"News"
] | [
"music",
"Radiohead",
"ZX Spectrum"
] | We’ll admit that only a few of us here at Hackaday are Radiohead fans. However, we all couldn’t help but appreciate their new remastered release of OK Computer. The new release contains some bonus material. At the end of the bonus material is a strange noise that turns out to be a ZX Spectrum Basic program.[OooSLAJEREK... | 9 | 7 | [
{
"comment_id": "3779989",
"author": "???? ????",
"timestamp": "2017-07-17T02:27:59",
"content": "Nice find.https://www.youtube.com/watch?v=Innrn2GiORo",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3780912",
"author": "Ostracus",
"timestamp": "2017-07... | 1,760,374,752.615624 | ||
https://hackaday.com/2017/07/16/hackaday-links-july-16-2017/ | Hackaday Links: July 16, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"An airbag saved my life",
"formlabs",
"I must be stopped",
"internet archive",
"OK Computer",
"parallax",
"Pi",
"propeller",
"raspberry pi",
"seemecnc",
"soundcloud",
"ZX Spectrum"
] | [Carl Bass] has joined the board at Formlabs
. This is interesting, and further proof that
Print The Legend
is now absurdly out of date and should not be used as evidence of anything in the world of 3D printing.
Here’s something cool: a breadboardable dev board for the
Parallax Propeller
.
Finally, after
years
of hard ... | 86 | 14 | [
{
"comment_id": "3779098",
"author": "???? ????",
"timestamp": "2017-07-16T23:23:16",
"content": "FFS Brian stop talking about yourself, or are you going to add narcissism to your list of toxic personality traits?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,374,752.846715 | ||
https://hackaday.com/2017/07/16/monitor-your-citys-air-quality/ | Monitor Your City’s Air Quality | Rich Hawkes | [
"Microcontrollers",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"Air quality sensors",
"Hackaday Prize"
] | [Radu Motisan]’s entry in the 2017 Hackaday Prize is a series of IoT Air Quality monitors, the
City Air Quality
project. According to [Radu], air pollution is the single largest environmental cause of premature death in urban Europe and transport is the main source. [Radu] has created a unit that can be deployed throug... | 18 | 9 | [
{
"comment_id": "3778415",
"author": "starhawk",
"timestamp": "2017-07-16T20:34:31",
"content": "I’ll just leave this here.http://www.nytimes.com/2008/10/12/magazine/12policy-t.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3786283",
"author": "... | 1,760,374,752.671035 | ||
https://hackaday.com/2017/07/15/hackaday-prize-entry-health-monitoring-flexible-smartwatch/ | Hackaday Prize Entry: Health-Monitoring Flexible Smartwatch | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"e-ink",
"watch"
] | [Nick Ames]’s
Flexible Smartwatch
project aims to create an Open Source smartwatch made out of a flexible, capacitive e-ink touchscreen that uses the whole surface of the band. This wraparound smartwatch displays information from the on-board pulse and blood oximetry sensor as well as the accelerometer and magnetometer... | 17 | 10 | [
{
"comment_id": "3773083",
"author": "Lars R.",
"timestamp": "2017-07-15T21:08:16",
"content": "According to the website, the prices for this flexible EPD start @ $100.Kindle displays are available from time to time for approx. $20. There are projects here on hackaday for controlling those….Waveshar... | 1,760,374,752.724605 | ||
https://hackaday.com/2017/07/15/hydrodipping-101/ | Hydrodipping 101 | Dan Maloney | [
"Misc Hacks"
] | [
"decal",
"hydrodip",
"hydrographic",
"inkjet",
"polyvinyl acetate",
"PVA"
] | Style counts, and sometimes all it takes to jazz up the product of a 3D-printer is a 2D printer and
a how-to guide on hydrographic printing
.
Hydrographic printing, sometimes called hydrodipping, is a process for transferring graphics onto complex-shaped objects in one simple step. A design is printed on a special film... | 34 | 11 | [
{
"comment_id": "3772130",
"author": "ghost",
"timestamp": "2017-07-15T17:11:49",
"content": "pcbs?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3773307",
"author": "???? ????",
"timestamp": "2017-07-15T21:56:12",
"content": "No it ... | 1,760,374,752.912455 |
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