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https://hackaday.com/2019/04/04/webassembly-what-is-it-and-why-should-you-care/ | WebAssembly: What Is It And Why Should You Care? | Ben James | [
"Featured",
"Original Art",
"Skills",
"Slider",
"Software Development"
] | [
"asm.js",
"browser",
"c++",
"emscripten",
"introduction",
"javascript",
"llvm",
"port",
"wasm",
"wat",
"webassembly"
] | If you keep up with the field of web development, you may have heard of WebAssembly. A relatively new kid on the block, it was announced in 2015, and managed to garner standardised support from all major browsers by 2017 – an impressive feat. However, it’s only more recently that the developer community has started to ... | 45 | 15 | [
{
"comment_id": "6070888",
"author": "Mar Klar",
"timestamp": "2019-04-04T14:16:54",
"content": "That’s great!So long as they are working on the deficiencies of client side programming how about an alternative to (eventual replacement of) javascript for the non-low level stuff.I’m thinking something... | 1,760,373,980.781505 | ||
https://hackaday.com/2019/04/03/reinking-dot-matrix-printer-ribbons-because-its-fun-okay/ | Reinking Dot Matrix Printer Ribbons Because It’s Fun, Okay | Lewin Day | [
"classic hacks",
"Hackaday Columns",
"Repair Hacks",
"Slider"
] | [
"dot matrix",
"dot matrix printer",
"ink",
"printer"
] | Ink! No matter the printer you’ve got, whether it be inkjet, laser or otherwise, it’s the consumables that will send you broke. At times, the cost of Hewlett-Packard black ink has exceeded the price per volume of human blood, and shareholders around the world have rejoiced.
As a retrocomputing reprobate, I have a perso... | 54 | 23 | [
{
"comment_id": "6066574",
"author": "Joseph Julicher",
"timestamp": "2019-04-03T17:16:40",
"content": "Back in the day the WD40 trick was well known….That was when I was printing my high school book reports on a Gemini 10x printer (https://www.computerhistory.org/collections/catalog/102622175).Late... | 1,760,373,980.693921 | ||
https://hackaday.com/2019/04/03/building-a-slimline-portable-nes/ | Building A Slimline Portable NES | Lewin Day | [
"Nintendo Hacks"
] | [
"nes",
"portable console",
"portable nes"
] | Emulation of classic consoles has long been a solved problem. It’s now possible to run thousands of vintage games on a computer the size of a stick of gum, and to do so with all the benefits emulation brings. [M-Parks] isn’t the biggest fan, however –
and decided to build a slimline NES handheld instead
. The goal was ... | 3 | 3 | [
{
"comment_id": "6066763",
"author": "Ren",
"timestamp": "2019-04-03T18:05:38",
"content": "I’m just going say…IF, it had been designed to just attach to the connector of the game cartridge, instead of swallowing the cartridge, the whole thing could have been built narrower.B^)The design could also ... | 1,760,373,980.494543 | ||
https://hackaday.com/2019/04/03/2019-hackaday-prize-begins-right-now/ | 2019 Hackaday Prize Begins Right Now | Mike Szczys | [
"Featured",
"News",
"Slider"
] | [
"2019 Hackaday Prize",
"product development"
] | This is the
2019 Hackaday Prize
, the worldwide hardware design contest focused on product development. We know you can build a working prototype, and we still want to see you do that. But a great idea should have reach beyond your own workshop. This year’s Hackaday Prize is about taking your product across the finish ... | 50 | 20 | [
{
"comment_id": "6065966",
"author": "Alphatek",
"timestamp": "2019-04-03T14:25:22",
"content": "It’s 2019. The Commodores and Sinclairs were 40 years ago, not 30. Having worked with some of the hardware engineers of them, it’s a different world to now…",
"parent_id": null,
"depth": 1,
"... | 1,760,373,981.03148 | ||
https://hackaday.com/2019/04/03/raspberry-pi-breathes-life-into-a-scale-model-sega/ | Raspberry Pi Breathes Life Into A Scale Model SEGA | Tom Nardi | [
"Games",
"Raspberry Pi"
] | [
"genesis",
"mega drive",
"retro gaming",
"scale model",
"sega"
] | Miniature game consoles are all the rage right now. Many of the big names in gaming are releasing their own official “mini” versions of their classic machines, but naturally we see plenty of DIY builds around these parts as well. Generally they’re enclosed in a 3D printed model of whatever system they’re looking to emu... | 9 | 4 | [
{
"comment_id": "6065423",
"author": "lodmot",
"timestamp": "2019-04-03T11:50:27",
"content": "Interesting, but I was able to fit a Pi 3 inside a Genesis Model 2. I also laid it out so there was still enough room to insert a cartridge. It isn’t functional, but for fun/showing off you could pop a gam... | 1,760,373,981.08283 | ||
https://hackaday.com/2019/04/03/the-repair-and-refurbishment-of-silicone-keyboards/ | The Repair And Refurbishment Of Silicone Keyboards | Brian Benchoff | [
"classic hacks",
"Repair Hacks"
] | [
"c116",
"commodore",
"silicone",
"silicone keyboard",
"silicone membrane",
"vintage computer"
] | There are a lot of retrocomputers out there sitting in garages and attics, and most of them need work. After thirty or forty years, you’re looking at a lot of corrosion, leaking caps, and general wear and tear. When it comes to extreme refurbishment, we haven’t seen anyone better than [Drygol], and this time he’s back ... | 19 | 6 | [
{
"comment_id": "6064703",
"author": "dave",
"timestamp": "2019-04-03T08:22:51",
"content": "damn. Got to the end. Looking for how the white lettering was re-applied.Spoiler: He didn’t finish it but thinks “it’s over, it’s done”.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,980.596174 | ||
https://hackaday.com/2019/04/02/yet-another-diy-handheld-pi-gaming-console/ | Yet Another DIY Handheld Pi Gaming Console | Rich Hawkes | [
"Raspberry Pi",
"Retrocomputing"
] | [
"3d printing",
"CNC machine",
"diy",
"personal fabrication",
"retro console"
] | The Raspberry Pi is a great platform for running retro video games, and with the addition of some buttons, a TFT screen and some speakers it’s relatively inexpensive and easy to get a working console up and running. If you have access to even a cheap 3D printer, a good-looking DIY console is well within reach for not a... | 2 | 2 | [
{
"comment_id": "6064228",
"author": "Kaaaaaaaaaang",
"timestamp": "2019-04-03T06:15:48",
"content": "I can imagine the guy from [DIY Engineering] having some beers with his friends, and one of them saying: “I bet you can’t make a simple project using all the gizmos yo have in your workshop” and the... | 1,760,373,980.92594 | ||
https://hackaday.com/2019/04/02/quantum-computing-with-qiskit/ | Quantum Computing With QISKit | Al Williams | [
"Skills"
] | [
"ibm",
"jupyter",
"QISKit",
"quantum computing"
] | We all know that quantum computing is coming, but it is hard to know how to get started with it. [Mtreinish] suggests
Qiskit
— an Apache Licensed SDK for developing quantum applications. He has a presentation he gave in Singapore that you can see below, and a notebook you can go through on
GitHub
. If you are impatient... | 3 | 1 | [
{
"comment_id": "6065331",
"author": "RoGeorge",
"timestamp": "2019-04-03T11:19:57",
"content": "I have so many questions:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6110826",
"author": "Janusz",
"timestamp": "2019-04-09T10:32:39",
... | 1,760,373,980.538899 | ||
https://hackaday.com/2019/04/04/ti83-gets-circuitpython-upgrade/ | TI-83 Gets CircuitPython Upgrade | Lewin Day | [
"classic hacks"
] | [
"calculator",
"Circuit Python",
"graphics calculator",
"graphing calculator",
"python",
"texas instruments",
"ti",
"ti-83"
] | Graphing calculators are an interesting niche market these days. They’re relatively underpowered, and usually come with cheap, low resolution screens to boot. They remain viable almost solely due to their use in education and the fact that their limited connectivity makes them suitable for use in exams. The market is s... | 23 | 6 | [
{
"comment_id": "6070779",
"author": "Thinkerer",
"timestamp": "2019-04-04T13:44:16",
"content": "“They remain viable almost solely due to their use in education and the fact that their limited connectivity makes them suitable for use in exams.” That and they’re carefully listed by name and model ... | 1,760,373,981.142776 | ||
https://hackaday.com/2019/04/04/arcade-with-led-marquee-shows-off-your-game/ | Arcade With LED Marquee Shows Off Your Game | Tom Nardi | [
"classic hacks",
"LED Hacks",
"Raspberry Pi"
] | [
"arcade",
"HUB75",
"led marquee",
"marquee",
"retro gaming"
] | We’ve seen a lot of arcade machine builds here on Hackaday. Seriously, a lot. Even more so since the Raspberry Pi took over the world and made it so you didn’t have to cannibalize an old laptop to build one anymore. It’s one of those projects with huge appeal: either you’re somebody who’s built their own arcade, or you... | 9 | 6 | [
{
"comment_id": "6070159",
"author": "Xeon",
"timestamp": "2019-04-04T10:06:00",
"content": "Beyond awesome build.Well done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6070310",
"author": "Robert W Pope",
"timestamp": "2019-04-04T10:59:32",
"co... | 1,760,373,981.19493 | ||
https://hackaday.com/2019/04/03/giving-an-industrial-push-button-usb-elegantly/ | Giving An Industrial Push Button USB, Elegantly | Donald Papp | [
"hardware",
"Peripherals Hacks"
] | [
"3d printed",
"hid",
"industrial",
"push button",
"small keyboard",
"switch",
"usb",
"usb keyboard"
] | [Glen]’s project sounds perfectly straightforward: have
a big industrial-style push button act as a one-key USB keyboard
. He could have hacked something together in any number of ways, but instead he decided to create a truly elegant solution. His custom PCB mates to the factory parts perfectly, and the USB cable betw... | 38 | 10 | [
{
"comment_id": "6069280",
"author": "someguy",
"timestamp": "2019-04-04T05:45:02",
"content": "his own bottom line:“An Important Safety NoteAs fun as this project may have been, please do NOT use USB for an actual safety-related emergency stop or emergency power off. USB is just not reliable enough... | 1,760,373,981.403592 | ||
https://hackaday.com/2019/04/03/the-three-faces-of-the-555/ | The Three Faces Of The 555 | Al Williams | [
"hardware"
] | [
"555",
"astable",
"Bistable",
"monostable"
] | In these days of cheap microcontrollers, it is hard to remember there was a time when timing things took real circuitry. Even today, for some applications it is hard to beat the ubiquitous 555 timer IC. It is cheap, plentiful, and reliable. What’s interesting about the 555 is it isn’t so much a dedicated chip as a bunc... | 35 | 19 | [
{
"comment_id": "6068715",
"author": "rnjacobs",
"timestamp": "2019-04-04T02:56:29",
"content": "I feel the need to link to the 555 contest here from forever ago, including a 4th mode: “logic gate”.https://hackaday.com/2011/08/05/building-a-computer-out-of-555-chips/",
"parent_id": null,
"de... | 1,760,373,981.736993 | ||
https://hackaday.com/2019/04/03/phone-for-hackers-launches-a-crowdfunding-campaign/ | Phone For Hackers Launches A Crowdfunding Campaign | Brian Benchoff | [
"Crowd Funding"
] | [
"Crowd Funding",
"crowdfunding",
"kickstarter",
"WiPhone"
] | Based on the WiFi / Bluetooth wunderchip, clad in a polycarbonate frame, and looking like something that would be an amazing cell phone for 2005, the WiPhone
is now available on Kickstarter
.
We’ve seen the WiPhone before
, and it’s an interesting set of features for what is effectively an ESP32 board with some buttons... | 26 | 11 | [
{
"comment_id": "6067951",
"author": "hybls",
"timestamp": "2019-04-03T23:53:50",
"content": "It looks like it’s not really open source yet. I can’t find anything, and their hackaday.io page says it’s a ‘planned feature’. Also, why do you think they didn’t go for a type-C port?",
"parent_id": nu... | 1,760,373,981.659477 | ||
https://hackaday.com/2019/04/03/developing-the-ultimate-open-source-radio-control-transmitter/ | Developing The Ultimate Open Source Radio Control Transmitter | Tom Nardi | [
"Robots Hacks",
"Wireless Hacks"
] | [
"open source hardware",
"RC transmitter",
"remote control",
"telemetry",
"xbee"
] | While we’ve come a long way in terms of opening up the world of radio control to open source software, a good deal of the hardware itself is still closed up. You can flash a cheap RC transmitter with a community developed firmware, in fact there’s a decent chance that’s what it ships with, but the hardware itself is st... | 11 | 5 | [
{
"comment_id": "6067803",
"author": "Nate B",
"timestamp": "2019-04-03T23:09:28",
"content": "This also dovetails with adaptive technologies for people who need different physical controls.Being able to make a new input device, and drop it seamlessly into an existing electronics/software stack, low... | 1,760,373,981.598563 | ||
https://hackaday.com/2019/04/03/nixie-power-supply-shows-ins-and-out-of-offshore-manufacturing/ | Nixie Power Supply Shows Ins And Out Of Offshore Manufacturing | Dan Maloney | [
"Misc Hacks"
] | [
"flyback",
"high voltage",
"manufacturing",
"nixie",
"offshore",
"offshoring",
"power supply",
"prototype",
"shenzhen",
"Tindie"
] | [Tony] built a high-efficiency power supply for Nixie tube projects. But that’s not what this post is about, really.
As you read through
[Tony]’s extremely detailed post on Hackaday.io
, you’ll be reading through an object lesson in electronic design that covers the entire process, from the initial concept – a really n... | 9 | 6 | [
{
"comment_id": "6067063",
"author": "Thomas",
"timestamp": "2019-04-03T19:33:28",
"content": "My sympathies go to the author. I’ve produced several short run (low production) boards and can relate to every issue that was mentioned. Except I have the advantage of using a local (USA) assembly house a... | 1,760,373,981.543899 | ||
https://hackaday.com/2019/04/05/cambridge-mini-uncon-robots-light-boxes-pcb-watches-and-retro-computers/ | Cambridge Mini Uncon: Robots, Light Boxes, PCB Watches, And Retro Computers | Jenny List | [
"cons",
"Hackaday Columns",
"Roundup"
] | [
"cambridge",
"cambridge makespace",
"Hackaday Unconference",
"unconference"
] | At Hackaday, we are nothing without our community. We meet up at conferences, shows, and camps, but one of our favourite way to congregate is with the Unconference format. It’s an event where you can stand up and give an eight-minute talk about what is important to you, and what you are working on.
Thank you to the Cam... | 9 | 4 | [
{
"comment_id": "6076786",
"author": "marcelk",
"timestamp": "2019-04-05T20:29:33",
"content": "Thanks for the memories, I had a blast at the mini-unconference. The slides I presented for the Gigatron talk are on the HaD.io project page. Direct PDF link:https://cdn.hackaday.io/files/20781889094304/2... | 1,760,373,981.788331 | ||
https://hackaday.com/2019/04/05/hackaday-podcast-013-naked-components-shocking-power-supplies-eye-popping-clock-and-hackaday-prize/ | Hackaday Podcast 013: Naked Components, Shocking Power Supplies, Eye-Popping Clock, And Hackaday Prize | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Application note",
"appnote",
"april fools",
"cutting parts in half",
"Hackaday Podcast",
"Hackaday Prize",
"modem",
"power supply design",
"transformerless",
"word clock"
] | Editors Mike Szczys and Elliot Williams geek out about all things hackerdom. Did you catch all of our April Fools nods this week? Get the inside scoop on those, and also the inside scoop on parts that have been cut in half for our viewing pleasure. And don’t miss Mike’s interview with a chip broker in the Shenzhen Elec... | 2 | 1 | [
{
"comment_id": "6085443",
"author": "CMH62",
"timestamp": "2019-04-06T22:58:28",
"content": "I’m a little behind the podcasts, but just wanted to say that I really enjoyed #11, especially the interview with Ivan. It was really interesting to hear how Espressif welcomed and encouraged his efforts …... | 1,760,373,981.873377 | ||
https://hackaday.com/2019/04/05/a-zelda-compilation-album-on-a-cartridge/ | A Zelda Compilation Album On A Cartridge | Lewin Day | [
"Nintendo Hacks"
] | [
"nes",
"nintendo",
"Nintendo Entertainment System",
"zelda"
] | The
Zelda
series of games are known for their exciting gameplay, compelling story, but also their soundtracks. From fast-paced boss battles, to scenes of emotional turmoil, these tunes have been pumped out millions of Nintendo consoles over the years. [Tyler Barnes] has been a fan for a long time, and decided to produc... | 6 | 4 | [
{
"comment_id": "6075837",
"author": "zaprodk",
"timestamp": "2019-04-05T15:46:59",
"content": "“these tunes have been pumped out millions of Nintendo consoles over the years” – What about some proofreading? :D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,373,981.832292 | ||
https://hackaday.com/2019/04/05/countdown-to-the-gps-timepocalypse/ | Countdown To The GPS Timepocalypse | Dan Maloney | [
"Current Events",
"Featured",
"News",
"Slider"
] | [
"apocalypse",
"gps",
"rollover",
"tempest in a teapot"
] | There’s a bug about to hit older GPS hardware that has echos of Y2K. Those old enough to have experienced the transition from the 1990s to the 2000s will no doubt recall the dreaded “Year 2000 Bug” that was supposed to spell the doom of civilization. Thanks to short-sighted software engineering that only recorded two d... | 75 | 26 | [
{
"comment_id": "6075414",
"author": "Arsenio Dev (@Ascii211)",
"timestamp": "2019-04-05T14:05:36",
"content": "Fun fact: In my lab at NASA I couldn’t find a SDR or GPS test generator so I dug out my HackadayFeatured ™ FL2k and synthesized some GPS before and after the flip, testing is today to chec... | 1,760,373,982.05897 | ||
https://hackaday.com/2019/04/05/but-can-your-ai-recognize-slugs/ | But Can Your AI Recognize Slugs? | Dan Maloney | [
"Misc Hacks"
] | [
"2019 Hackaday Prize",
"ai",
"Jetson TX2",
"model",
"neural net",
"NVIDIA",
"pest",
"remediation",
"slug",
"training"
] | The common garden slug is a mystery. Observing these creatures as they slowly emerge from their slimy lairs each evening, it’s hard to imagine how much damage they can do. With paradoxical speed, they can mow down row after row of tender seedlings, leaving nothing but misery in their mucusy wake.
To combat this slug me... | 53 | 12 | [
{
"comment_id": "6074804",
"author": "Tegwyn☠Twmffat",
"timestamp": "2019-04-05T11:24:59",
"content": "Yes, as Dan say, salt gun seems the most likely means of dispatch at the moment …. unless people have any better ideas? Personally, I’d rather have some kind of catapult to launch said slug into a ... | 1,760,373,982.37316 | ||
https://hackaday.com/2019/04/05/building-an-army-of-esp32-air-quality-sensors/ | Building An Army Of ESP32 Air Quality Sensors | Tom Nardi | [
"green hacks",
"Microcontrollers"
] | [
"air quality",
"BMP280",
"CCS811",
"distributed",
"environmental monitoring",
"ESP32",
"VOC"
] | The ESP8266 and its heavyweight sibling the ESP32 are fantastic boards to develop with as they allow you to quickly and easily get a project online. Just tack a few sensors and some LEDs on them, and you’re well on the way to producing your own “Internet of Things”. The real challenge is utilizing the incredible capabi... | 20 | 10 | [
{
"comment_id": "6074313",
"author": "kpharck",
"timestamp": "2019-04-05T08:49:38",
"content": "CO2 sensor for air quality monitoring ? In a city ?Why not CO, NOx, SOx, dioxins, furans, or particulate matter ?For the quality of life, knowing the humidity would make much more sense when combined with... | 1,760,373,982.436806 | ||
https://hackaday.com/2019/04/04/a-6502-computer-with-acres-of-breadboard-and-dozens-of-chips/ | A 6502 Computer, With Acres Of Breadboard And Dozens Of Chips | Dan Maloney | [
"classic hacks",
"Retrocomputing"
] | [
"6502",
"74HCxx",
"assembler",
"breadboard",
"dip",
"retrocomputer",
"sram",
"ttl",
"VIC"
] | Imagine you’re time-warped back to 1979 and tasked with constructing a personal computer. Could you do it? [RadicalBrad] thinks he can, and
his 6502-based “Super VIC”
build looks like it’s off to a great retrocomputing start.
Most emulations of old hardware these days go the FPGA route, and while we respect those proje... | 49 | 17 | [
{
"comment_id": "6073659",
"author": "Will",
"timestamp": "2019-04-05T05:21:18",
"content": "I can definitely see the validity of using FPGAs in retro designs as some chips are not produced anymore and are hard to find even as NOS. Most of the availability of those chips, when they can be found have... | 1,760,373,983.184 | ||
https://hackaday.com/2019/04/02/custom-inflatables-are-only-a-laser-beam-away/ | Custom Inflatables Are Only A Laser Beam Away | Tom Nardi | [
"Art",
"Laser Hacks"
] | [
"inflatable",
"inflatable boat",
"laser cutter",
"LDPE",
"soft robotics"
] | Carl Sagan one said “If you wish to make an apple pie from scratch, you must first invent the universe.” It might not be a very accurate description of the relative difficulty level of baking, but the logic is sound enough: there’s often a lot of ground work that needs to be to covered before you hit your ultimate goal... | 26 | 10 | [
{
"comment_id": "6062732",
"author": "delmar",
"timestamp": "2019-04-03T00:14:47",
"content": "Pretty cool idea!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6066109",
"author": "Ren",
"timestamp": "2019-04-03T15:04:41",
"content": ... | 1,760,373,983.088805 | ||
https://hackaday.com/2019/04/02/a-word-clock-the-hard-way/ | A Word Clock, The Hard Way | Dan Maloney | [
"clock hacks"
] | [
"DS3231 RTC",
"gears",
"led",
"nano",
"neopixel",
"PCA9685",
"projection",
"rack and pinion",
"servo",
"word clock",
"ws2812"
] | We’ve all seen word clocks, and they’re great, but there are only so many ways to show the time in words.
This word clock with 114 servos
is the hard way to do it.
We’re not sure what [Moritz v. Sivers] was aiming for with this projection clock, but he certainly got it right. The basic idea is to project the characters... | 19 | 10 | [
{
"comment_id": "6061881",
"author": "MrObvious",
"timestamp": "2019-04-02T20:20:38",
"content": "Wow. A word clock. Never seen that before.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6062439",
"author": "as2003",
"timestamp": "2019-04-... | 1,760,373,983.2856 | ||
https://hackaday.com/2019/04/02/farming-items-with-raspi-modified-joycons/ | Farming Items With RasPi-Modified Joycons | Lewin Day | [
"Nintendo Hacks"
] | [
"joycon",
"joycons",
"Nintendo Switch",
"raspberry pi",
"video game automation"
] | The Pokémon games have delighted legions of Nintendo gamers over the years, and show no signs of slowing down any time soon. Despite its popularity, there are certain aspects of the games that are unarguably about simply grinding your way to success. For [Mori Bellamy], this simply wouldn’t do – yet their thirst for go... | 6 | 5 | [
{
"comment_id": "6062074",
"author": "coromd",
"timestamp": "2019-04-02T21:13:03",
"content": "For a sec I was hoping to see a Pi Zero stuffed into a Joycon. Still impressive nonetheless.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6062247",
"author": "... | 1,760,373,983.227986 | ||
https://hackaday.com/2019/04/02/in-praise-of-the-app-note/ | In Praise Of The App Note | Jenny List | [
"Hackaday Columns",
"Interest",
"Original Art",
"Reviews"
] | [
"app note",
"Application note",
"jim williams",
"semiconductor"
] | When I am at a loss for an explanation in the world of electronics, I reach for my well-thumbed
Horowitz & Hill
. When
H&H
fails me which is not that often, the chances are I’ll find myself looking in an application note from a semiconductor company who is in cut-throat competition with its rivals in a bid for my atten... | 36 | 16 | [
{
"comment_id": "6061240",
"author": "kdev",
"timestamp": "2019-04-02T17:11:11",
"content": "Going off on a tangent, what is that diode-in-a-diamond symbol on the far left of the schematic?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6061261",
"au... | 1,760,373,983.365723 | ||
https://hackaday.com/2019/04/02/mains-power-supply-for-attiny-project-is-probably-a-bad-idea/ | Mains Power Supply For ATtiny Project Is Probably A Bad Idea | Dan Maloney | [
"Microcontrollers",
"Misc Hacks"
] | [
"attiny84",
"capactive dropper",
"dropper",
"mains",
"power supply",
"Reactance",
"smps",
"switch mode",
"switcher"
] | When designing a mains power supply for a small load DC circuit, there are plenty of considerations. Small size, efficiency, and cost of materials all spring to mind. Potential lethality seems like it would be a bad thing to design in, but that didn’t stop [Great Scott!] from
exploring capacitive drop power supplies
. ... | 45 | 17 | [
{
"comment_id": "6060935",
"author": "Jim",
"timestamp": "2019-04-02T15:41:08",
"content": "So when are you so concerned about size and are using a big ass power cable?My guess – never.Interesting premise seems to be questionable",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,983.639175 | ||
https://hackaday.com/2019/04/02/radio-free-blockchain-bitcoin-from-space/ | Radio Free Blockchain: Bitcoin From Space | Dan Maloney | [
"Business",
"Featured",
"Interest",
"Original Art"
] | [
"bitcoin",
"blockchain",
"cryptocurrency",
"dish antenna",
"geosynchronous",
"LNB",
"mining",
"POW",
"satellite",
"sdr"
] | Cryptocurrencies: love them, hate them, or be baffled by them, but don’t think you can escape them. That’s the way it seems these days at least, with news media filled with breathless stories about Bitcoin and the other cryptocurrencies, and everyone from Amazon to content creators on YouTube now accepting the digital ... | 31 | 14 | [
{
"comment_id": "6060743",
"author": "Sci",
"timestamp": "2019-04-02T14:07:53",
"content": "Wow, they’ve engineered a way to make “money” fall from the sky. Why not icecream next?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6060810",
"author": "th... | 1,760,373,983.552224 | ||
https://hackaday.com/2019/04/02/the-only-cassette-player-worth-owning-in-2019/ | The Only Cassette Player Worth Owning In 2019 | Tom Nardi | [
"classic hacks",
"Musical Hacks"
] | [
"3D printed enclosure",
"audio cassette",
"print finishing",
"retro"
] | Vinyl has the audiophiles to keep it relevant, and CDs still have the people who are scared of streaming music, but who mourns for the cassette tape? Yesterday we would have said nobody, but now that [Igor Afanasyev] has unleashed his latest creation onto an unsuspecting world, we aren’t so sure anymore. A portable tap... | 73 | 23 | [
{
"comment_id": "6060088",
"author": "Merv",
"timestamp": "2019-04-02T11:10:49",
"content": "I resent the comment about people who still buy CDs as being scared of streaming. Firstly, CDs actually cost less than most digital downloads in Australia. Streaming services are great, but lossless streamin... | 1,760,373,983.473705 | ||
https://hackaday.com/2019/04/02/components-cut-in-half-reveal-their-inner-beauty/ | Components Cut In Half Reveal Their Inner Beauty | Dan Maloney | [
"Art",
"Teardown"
] | [
"art",
"capacitor",
"component",
"cross-section",
"lapping",
"led",
"teardown",
"things cut in half",
"through hole"
] | We rarely take a moment to consider the beauty of the components we use in electronic designs. Too often they are simply commodities, bought in bulk on reels or in bags, stashed in a drawer until they’re needed, and then unceremoniously soldered to a board. Granted, little scraps of black plastic with silver leads don’... | 7 | 7 | [
{
"comment_id": "6059936",
"author": "jalnl",
"timestamp": "2019-04-02T10:38:16",
"content": "“It’s not clear how the sections were created” – iirc, they used nothing but sandpaper. No “cutting in half” either.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "60... | 1,760,373,983.689184 | ||
https://hackaday.com/2019/04/01/let-a-dinosaur-show-you-the-future/ | Let A Dinosaur Show You The Future | Jenny List | [
"clock hacks"
] | [
"dinosaur",
"futures",
"oil price"
] | Our lives in the 21st century are in part governed by a series of systems which we rarely encounter directly but which can have a great impact upon our lives. The oil futures market, for example, for which [Igor Nikolic] has created
a real-time visualisation in the form of a clock
in which the “hand” is a plastic dinos... | 0 | 0 | [] | 1,760,373,983.723893 | ||
https://hackaday.com/2019/04/01/who-knew-cut-grass-would-be-so-tricky-to-move/ | Who Knew Cut Grass Would Be So Tricky To Move! | Jenny List | [
"Tech Hacks"
] | [
"grass",
"materials",
"materials handling"
] | Like all publications, here at Hackaday we are besieged by corporate public relations people touting press releases. So-and-so inc. have a new product, isn’t it exciting! But we know you, our readers, we know you like hacks, and with the best will in the world, the vast majority of such things have nothing of the hack ... | 22 | 10 | [
{
"comment_id": "6056781",
"author": "stickben",
"timestamp": "2019-04-02T02:52:05",
"content": "This problem is solved routinely in industry using vibrating hoppers and agitators. Looks like they rediscovered the wheel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,373,984.468258 | ||
https://hackaday.com/2019/04/01/make-a-non-contact-voltage-probe/ | Make A Non-Contact Voltage Probe | Al Williams | [
"Tool Hacks"
] | [
"non-contact voltage",
"sensor",
"voltage sensor"
] | You’ve probably seen probes that detect live wires in, for example, home wiring, without having to actually probe the wire. These are sometimes used to test strings of Christmas lights, too. We’ve even seen the sensors built into a voltmeter. [Crazy Couple] has
a few do-it-yourself versions
that can do the job. You can... | 10 | 4 | [
{
"comment_id": "6056104",
"author": "Arthur Wolf",
"timestamp": "2019-04-01T23:03:16",
"content": "I’m so bad at electronics and general hackadaying stuffs, I can’t figure out if *this one* is an april’s fools. Doesn’t sound like it, but maybe I’m so lost I can’t know ? April’s fools is stressful."... | 1,760,373,984.296788 | ||
https://hackaday.com/2019/04/01/now-totos-africa-is-stuck-in-our-heads/ | Now Toto’s Africa Is Stuck In Our Heads | Brian Benchoff | [
"3d Printer hacks"
] | [
"annoying april fools site pranks",
"april fools",
"pipe organ",
"recorder",
"vacuum"
] | April Fool’s Day is bad. April Fool’s Day is a terrible, horrible, no good, very bad day. For one day a year, we’re inundated with pieces that can, accurately and without any sense of irony, be called fake news. YouTube is worse. But you know what’s worse than April Fool’s Day? A hundred children playing plastic record... | 24 | 12 | [
{
"comment_id": "6055641",
"author": "Daren Schwenke",
"timestamp": "2019-04-01T20:15:26",
"content": "I can only imagine the seedy joints and sucking Henry had to do, to randomly pick up that Benchoff buck..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6055... | 1,760,373,984.529845 | ||
https://hackaday.com/2019/04/01/bye-bye-vi-gnu-linux-distros-drop-support/ | Bye Bye Vi: GNU/Linux Distros Drop Support | Ted Yapo | [
"Linux Hacks"
] | [
"april fools",
"editor wars",
"Emacs",
"linux",
"vi"
] | If you grew up with Unix systems like we did, you’ll be sorry to hear the news: vi, the noble text editor that has served us so well these 40 years, is going away — from many GNU/Linux systems, anyway. As of this writing, GNU/Linux Mint, Debian, Ubuntu, and OpenSUSE — four of the five most popular GNU/Linux distributio... | 167 | 50 | [
{
"comment_id": "6055341",
"author": "sebastian",
"timestamp": "2019-04-01T18:34:30",
"content": "So nano won the war between vi and GNU Emacs.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6055361",
"author": "Slippery",
"timestamp": "2019-... | 1,760,373,985.155945 | ||
https://hackaday.com/2019/04/01/regular-computer-reviews-the-commodore-64c/ | Regular Computer Reviews: The Commodore 64C | Brian Benchoff | [
"classic hacks",
"Hackaday Columns"
] | [
"annoying april fools site pranks",
"april fools",
"commodore 64",
"Commodore 64c",
"The Smittie's pretzel shack west of Dover"
] | Fresh into the tip line is an amazing video
showcasing the history of the Commodore 64
. Unlike many historical retellings of the history of the Commodore 64, the history doesn’t start with the VIC-20, but instead the first Commodore machine to feature the VIC-II and SID chip, the Commodore Max.
However, this video goe... | 15 | 13 | [
{
"comment_id": "6055071",
"author": "Grady Houger",
"timestamp": "2019-04-01T17:22:09",
"content": "Great effort! I appreciate your work Hackaday!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6055127",
"author": "Alejandro Segade",
"timestamp": "201... | 1,760,373,984.80308 | ||
https://hackaday.com/2019/04/01/python-and-the-internet-of-things-hack-chat/ | Python And The Internet Of Things Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"adafruit",
"CircuitPython",
"compiler",
"Hack Chat",
"interpreter",
"IoT",
"ladyada",
"language",
"library",
"microcontroller",
"python"
] | Join us Wednesday at noon Pacific time for the
Python and the Internet of Things Hack Chat
!
Opinions differ about what the most-used programming language in right now is, but it’s hard to deny both the popularity and versatility of Python. In the nearly 30 years since it was invented it has grown from niche language t... | 6 | 4 | [
{
"comment_id": "6054817",
"author": "Elliot Williams",
"timestamp": "2019-04-01T16:09:38",
"content": "Just in case: NOT APRIL FOOLS.Please come and join the Adafruit crew to talk CircuitPython on Wednesday!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6054... | 1,760,373,984.850467 | ||
https://hackaday.com/2019/04/01/schrodinger-quantum-percolator-makes-half-decent-coffee/ | Schrödinger Quantum Percolator Makes Half Decent Coffee | Sean Boyce | [
"Featured",
"Holiday Hacks",
"home hacks",
"Microcontrollers",
"Science"
] | [
"caffeine",
"coffee",
"microconroller",
"op-amp",
"quantum mechanics"
] | I couldn’t decide between normal and decaffeinated coffee. So to eliminate delays in my morning routine, and decision fatigue, I’ve designed the Schrödinger Quantum Percolator — making the state of my coffee formally undecidable until I drink it.
At its core, the Quantum Percolator contains a novel quantum event detec... | 34 | 15 | [
{
"comment_id": "6054436",
"author": "Ren",
"timestamp": "2019-04-01T14:19:43",
"content": "“After a fairly shaky start to the day, Arthur’s mind was beginning to reassemble itself from the shell-shocked fragments the previous day had left him with.He had found a Nutri-Matic machine which had provid... | 1,760,373,984.610226 | ||
https://hackaday.com/2019/04/01/one-pin-to-rule-them-all/ | One Pin To Rule Them All | Al Williams | [
"hardware",
"News"
] | [
"april fools"
] | When Maxim acquired Dallas Semiconductor, they took over the popular 1-Wire product line. These are sensors that get power and bidirectional data over the same pin. However, we never liked the name 1-Wire as you really need two wires: one for the power and data and, of course, a ground wire. A new startup company, Cycl... | 91 | 41 | [
{
"comment_id": "6053768",
"author": "DominicW",
"timestamp": "2019-04-01T11:05:24",
"content": "What next? Eyetoosee. :^D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6053797",
"author": "julien gingras",
"timestamp": "2019-04-01T11:10:56",
"c... | 1,760,373,984.981052 | ||
https://hackaday.com/2019/04/01/britain-rejoins-the-space-race/ | Britain Rejoins The Space Race | Jenny List | [
"Hackaday Columns",
"News",
"Space"
] | [
"april fools",
"Galileo",
"HOTOL",
"Reaction Engines",
"space",
"uk"
] | Jubilant crowds at the gates of Downing Street. (Jenny List)
In a completely unexpected move, the British Prime Minister Theresa May yesterday announced outside Number 10 Downing Street that the UK would resume its space launch programme, 47 years after
its cancellation following the launch of the Prospero satellite
. ... | 43 | 18 | [
{
"comment_id": "6053109",
"author": "Szaja",
"timestamp": "2019-04-01T08:14:35",
"content": "They could build a rocket, but I doubt that they would be able to decide if they should launch it and where it should fly.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,373,984.699327 | ||
https://hackaday.com/2019/03/31/a-tube-theremin-just-like-grandpa-leon-used-to-make/ | A Tube Theremin, Just Like Grandpa Leon Used To Make | Brian Benchoff | [
"classic hacks",
"Crowd Funding"
] | [
"theremin",
"tube",
"tube theremin"
] | Next year we’re arguably coming up on the centennial of electronic music, depending on whether you count the invention or the patent for the theremin its creation. Either way, this observation is early, so start arguing about it now. If you want to celebrate the century of the theremin, how about you do it just like gr... | 12 | 7 | [
{
"comment_id": "6052916",
"author": "saabman",
"timestamp": "2019-04-01T07:22:58",
"content": "Lol yes oxygen free copper cables do sound better in an oxygen free room.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6053145",
"author": "Daren Schwenke",
... | 1,760,373,984.750713 | ||
https://hackaday.com/2019/03/31/a-new-digital-mode-for-radio-amateurs/ | A New Digital Mode For Radio Amateurs | Jenny List | [
"Radio Hacks"
] | [
"433MHz",
"70 cm",
"amateur radio",
"packet radio"
] | There used to be a time when amateur radio was a fairly static pursuit. There was a lot of fascination to be had with building radios, but what you did with them remained constant year on year. Morse code was sent by hand with a key, voice was on FM or SSB with a few old-timers using AM, and you’d hear the warbling ton... | 65 | 16 | [
{
"comment_id": "6052033",
"author": "John",
"timestamp": "2019-04-01T03:34:39",
"content": "There was just a post about this yesterday….https://hackaday.com/2019/03/31/a-new-digital-mode-for-radio-amateurs/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "605... | 1,760,373,985.28837 | ||
https://hackaday.com/2019/03/31/hackaday-links-march-31-2019/ | Hackaday Links: March 31, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"april fools",
"cleveland",
"flex circuit",
"indoor skydiving",
"KiCon",
"PyCon",
"raspberry pi",
"Tindie"
] | You can now make flexible circuit boards of unlimited length. Trackwise was contracted out for making a wiring harness for the wing of a UAV and
managed to ship a 26 meter long flexible printed circuit board
. This is an interesting application of the technology — UAVs are very weight sensitive and wiring harnesses are... | 22 | 8 | [
{
"comment_id": "6051139",
"author": "Hirudinea",
"timestamp": "2019-03-31T23:22:47",
"content": "Outdoor skydiving, how novel. Anyway I hope the laws are different in Latvia than they are in the West because here that thing would be a lawsuit machine.",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,985.356524 | ||
https://hackaday.com/2019/03/31/build-your-own-metal-roller/ | Build Your Own Metal Roller | Lewin Day | [
"Tool Hacks"
] | [
"bending",
"metal working",
"metalwork",
"metalworking"
] | Metal fabrication is a useful skill to have. There’s plenty you can achieve in your workshop at home, given the right tools. There’s lathes for turning, mills for milling, and bandsaws and dropsaws for chopping it all to pieces. But what do you do if you need to make hoops and bends and round sections? You build a meta... | 26 | 7 | [
{
"comment_id": "6050548",
"author": "jagejo",
"timestamp": "2019-03-31T20:09:54",
"content": "I hate people who can afford a professional TIG welder and do pointless things with it. I develop embedded systems for a living and from my wage I could only afford a $60 chinese welding transformer. It su... | 1,760,373,985.632115 | ||
https://hackaday.com/2019/03/31/a-weather-station-fit-for-a-pdp-11/ | A Weather Station Fit For A PDP-11 | Brian Benchoff | [
"classic hacks"
] | [
"BSD",
"emulation",
"PiDP",
"raspberry pi",
"SIMH"
] | The Digital Equipment Corp. PDP-11/70 is a masterpiece of Cold War-era industrial design. This microcomputer was the size of one or two modern server racks depending on configuration, and the front panel, loaded up with blinkenlights, was clad in a beautiful rose and magenta color scheme. The switches — the ones you us... | 11 | 6 | [
{
"comment_id": "6050144",
"author": "Bob",
"timestamp": "2019-03-31T18:06:11",
"content": "The 11/70 was a minicomputer, not a microcomputer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6050252",
"author": "SteveS",
"timestamp": "2019-03-... | 1,760,373,985.564564 | ||
https://hackaday.com/2019/03/31/squeezebox-comes-to-the-esp/ | Squeezebox Comes To The ESP | Jenny List | [
"digital audio hacks"
] | [
"ESP",
"slimproto",
"Squeezebox"
] | Streaming music may now come from somewhere in the cloud to an app on your phone and be sent to the client built in to almost every entertainment device you own, but there was a time when the bleeding edge lay in dedicated streaming device that connected to your existing set-up. One of the players in this market was Lo... | 11 | 9 | [
{
"comment_id": "6049506",
"author": "rfdude",
"timestamp": "2019-03-31T15:21:32",
"content": "Glad to see Squeezebox community still going strong. I really appreciate Logitech keeping their server mysqueezebox.com alive, as I use the SB primarily for radio station streaming. In which case the se... | 1,760,373,985.892235 | ||
https://hackaday.com/2019/03/31/ros-gets-quick-sensor-debugging-in-the-terminal/ | ROS Gets Quick Sensor Debugging In The Terminal | Lewin Day | [
"classic hacks"
] | [
"robot",
"Robot Operating System",
"ros",
"utility"
] | Sensors are critical in robotics. A robot relies on its sensor package to perform its programmed duties. If sensors are damaged or non-functional, the robot can perform unpredictably, or even fail entirely. [Dheera Venkatraman] has been working to make debugging sensor issues easier
with the rosshow package for Robot O... | 6 | 4 | [
{
"comment_id": "6048948",
"author": "Matouš",
"timestamp": "2019-03-31T12:11:01",
"content": "rostopic hz /left_camera/image_color/compressed ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6049479",
"author": "martimorta",
"timestamp": "20... | 1,760,373,985.672661 | ||
https://hackaday.com/2019/03/31/ikea-furniture-hacks-make-accessibility-more-accessible/ | Ikea Furniture Hacks Make Accessibility More Accessible | Roger Cheng | [
"home hacks"
] | [
"accessibility",
"assistive",
"assistive technology",
"handicapped",
"ikea",
"ikea hacks",
"physical disability"
] | The
ThisAbles
project is a series of 3D-printed IKEA furniture hacks making life easier for those without full use of their bodies. Since IKEA furniture is affordable and available across most of the planet, it’s the ideal target for a project that aims to make 3D-printed improvements accessible to everyone.
These hack... | 11 | 6 | [
{
"comment_id": "6048546",
"author": "Jan",
"timestamp": "2019-03-31T10:09:33",
"content": "This sounds very promising, what a great initiative!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6049868",
"author": "T J Bayt",
"timestamp": "2019-03-31T16:... | 1,760,373,985.723815 | ||
https://hackaday.com/2019/03/30/bidirectional-ip-with-new-packet-radio/ | Bidirectional IP With New Packet Radio | Brian Benchoff | [
"Radio Hacks"
] | [
"ip",
"ISM",
"npr",
"packet radio"
] | There are a few options if you want to network computers on amateur radio. There are WiFi hacks of sort, and of course there’s always packet radio.
New Packet Radio
, a project from [f4hdk] that’s now on hackaday.io, is unlike anything we’ve seen before. It’s a modem that’s ready to go, uses standard 433 ISM band chips... | 24 | 11 | [
{
"comment_id": "6047739",
"author": "STACK",
"timestamp": "2019-03-31T06:08:15",
"content": "I actually found it rather impressive in the project page, seeing someone revamp this rather obscure protocol of packet radio.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,373,985.783749 | ||
https://hackaday.com/2019/03/30/dna-computers-are-in-the-lab-now/ | DNA Computers Are In The Lab Now | Al Williams | [
"News"
] | [
"biological computers",
"caltech",
"dna"
] | Although it isn’t very real-world practical, researchers at Cal Tech have produced
a DNA-based programmable computer
. Spectrum reports that the system executes programs using a set of instructions written in DNA using six bits. Like any programmable computer, this one can execute many programs, but so far they have ru... | 18 | 6 | [
{
"comment_id": "6047159",
"author": "Justin",
"timestamp": "2019-03-31T03:06:44",
"content": "Not usually a grammar Nazi but…“… but so far they run 21 different programs.” should be “they have run…” or “they ran….”.Sorry, couldn’t ignore it!",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,373,985.841352 | ||
https://hackaday.com/2019/03/29/creating-8-bit-games-with-the-multi-platform-arcade-game-designer/ | Creating 8-bit Games With The Multi Platform Arcade Game Designer | Lewin Day | [
"Retrocomputing"
] | [
"8 bit",
"spectrum",
"ZX Spectrum"
] | Creating a game from scratch can be hard work. There are concepts to be designed, coding to be done, and art to be created to make it all happen. However, it doesn’t always have to be quite so difficult. There are a variety of development tools that allow budding game designers to get started with a point-and-click app... | 8 | 5 | [
{
"comment_id": "6041651",
"author": "Dave",
"timestamp": "2019-03-30T04:06:11",
"content": "Please also add the VZ / Laser.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6043196",
"author": "Andy Pugh",
"timestamp": "2019-03-30T10:13:28",
"conten... | 1,760,373,987.541835 | ||
https://hackaday.com/2019/03/29/a-pic-and-a-few-passives-support-breakout-in-glorious-ntsc-color/ | A PIC And A Few Passives Support Breakout In Glorious NTSC Color | Dan Maloney | [
"classic hacks",
"Video Hacks"
] | [
"chroma",
"color",
"composite",
"crystal oscillator",
"luminance",
"ntsc",
"PIC12F1572",
"video",
"video game"
] | “Never Twice the Same Color” may be an apt pejorative, but supporting analog color TV in the 1950s without abandoning a huge installed base of black-and-white receivers was not an option, and at the end of the day the National Television
Standards
System Committee did an admirable job working within the constraints the... | 27 | 9 | [
{
"comment_id": "6040406",
"author": "radicalbrad",
"timestamp": "2019-03-29T23:09:45",
"content": "You have upped your game sir, nice work!Brad",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6040424",
"author": "picatout",
"timestamp": "2019-03-29T23:... | 1,760,373,988.366896 | ||
https://hackaday.com/2019/03/29/a-scratch-built-vfd-clock-with-inner-beauty/ | A Scratch Built VFD Clock With Inner Beauty | Tom Nardi | [
"classic hacks",
"clock hacks"
] | [
"clock",
"custom PCB",
"vfd"
] | Vacuum fluorescent displays (VFDs) are one of those beautiful pieces of bygone technology that you just don’t see much of anymore. At one time they were a mainstay of consumer electronics, but today they’ve largely been replaced with cheaper and more energy efficient displays such as LEDs and LCDs. While they might be ... | 5 | 3 | [
{
"comment_id": "6040758",
"author": "Steven13",
"timestamp": "2019-03-30T00:40:56",
"content": "> In a particularly radical hack, [Simón] sets the time with a hard coded variable in the source code; you just need to set it far enough into future to give you enough time to power it up at the appropr... | 1,760,373,987.639353 | ||
https://hackaday.com/2019/03/29/hacker-abroad-vietnams-electronics-and-hardware-markets/ | Hacker Abroad: Vietnam’s Electronics And Hardware Markets | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"electronics market",
"Hacker Abroad",
"hardware market",
"vietnam"
] | Ho Chi Mihn City is the hub for sourcing the materials and tools driving the growing Vietnamese economy. Whether you’re building new, or keeping existing equipment running, the supply chains and service companies aren’t yet in place and the markets of HCMC are the go-to for parts and equipment. Let’s get a little taste... | 23 | 6 | [
{
"comment_id": "6039686",
"author": "Ren",
"timestamp": "2019-03-29T20:10:19",
"content": "HaD readers,I’m just curious, do you have any Vietnamese electronics?About the only VN imports I see around here in Minnesota is coffee and some clothing.",
"parent_id": null,
"depth": 1,
"replies... | 1,760,373,987.844502 | ||
https://hackaday.com/2019/03/29/goodyear-aero-thinks-flying-cars-are-a-thing/ | Goodyear Aero Thinks Flying Cars Are A Thing | Al Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Transportation Hacks"
] | [
"flying car",
"goodyear",
"kickstarter",
"snake oil"
] | The 2019 Geneva International Motor Show has a number of “concept” vehicles. These are vehicles that usually include some cool feature that isn’t really practical — at least today. For example, in the past, concept cars have had adjustable color interior lighting, plug-in hybrid engines, and power windows — all things ... | 70 | 22 | [
{
"comment_id": "6039003",
"author": "Yoda McFly",
"timestamp": "2019-03-29T17:15:04",
"content": "It’s that lack of basic scientific knowledge that leads (in part) to scares over your cell phone microwaving your brain if you hold it up to your ear, or your smart meter giving you cancer.",
"pare... | 1,760,373,988.299928 | ||
https://hackaday.com/2019/03/29/hackaday-podcast-012-nearly-perpetual-motion-mars-rover-carries-kid-and-doc-browns-cat-feeder/ | Hackaday Podcast 012: Nearly Perpetual Motion, Mars Rover Carries Kid, And Doc Brown’s Cat Feeder | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"apa109",
"automatic cat feeder",
"Hackaday Podcast",
"rocker-bogie",
"WS2813"
] | Editors Elliot Williams and Mike Szczys catch up on the past week in hackerdom. It seems as if we’re in a golden age of machine building as an incredible rocker-bogie rover is built to transport a child and mechanical simplicity automates the wet cat food dispensing process. We marvel at the ability to use G-code to de... | 7 | 2 | [
{
"comment_id": "6039344",
"author": "Luke",
"timestamp": "2019-03-29T18:38:43",
"content": "You forgot to mention that you don’t actually need an ADC in your chip to measure resistance ladders, because measuring an RC delay is a rudimentary ADC. Many 80’s home computers used that trick to read joys... | 1,760,373,987.59452 | ||
https://hackaday.com/2019/03/29/caleb-kraft-brings-us-the-moon-on-a-budget/ | [Caleb Kraft] Brings Us The Moon, On A Budget | Tom Nardi | [
"Art",
"home hacks",
"LED Hacks"
] | [
"hardware store",
"moon",
"pex",
"shower curtain",
"wall art"
] | As you might expect from one of our most illustrious alumni, [Caleb Kraft] is a rather creative fellow. Over the years he’s created some absolutely phenomenal projects using CNC routers, 3D printers, laser cutters, and all the other cool toys the modern hacker has access to. But for
his latest project, a celebration of... | 17 | 10 | [
{
"comment_id": "6038716",
"author": "Jerry",
"timestamp": "2019-03-29T15:54:20",
"content": "Fly me to the moon..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6039039",
"author": "keithfromcanada",
"timestamp": "2019-03-29T17:24:56",
"content": ... | 1,760,373,987.764911 | ||
https://hackaday.com/2019/03/29/teardown-of-a-50-year-old-modem/ | Teardown Of A 50 Year Old Modem | Brian Benchoff | [
"Featured",
"History",
"Slider",
"Teardown"
] | [
"acoustic modem",
"Acoustically Coupled Modem",
"livermore data systems",
"modem",
"pots"
] | A few years ago, I was out at the W6TRW swap meet at the parking lot of Northrop Grumman in Redondo Beach, California. Tucked away between TVs shaped like polar bears and an infinite variety of cell phone chargers and wall warts was a small wooden box. There was a latch, a wooden handle, and on the side a DB-25 port. T... | 82 | 24 | [
{
"comment_id": "6038347",
"author": "Jerry",
"timestamp": "2019-03-29T14:19:46",
"content": "Brian, sorry I missed you at the W6TRW swap meet.Perhaps I’ll see you there tomorrow.Yes, I live just a modem squeal away fro the W6TRW swap meet, and rarely miss one.As you already know, unexpected treasur... | 1,760,373,988.065107 | ||
https://hackaday.com/2019/03/29/finding-plastic-spaghetti-with-machine-learning/ | Finding Plastic Spaghetti With Machine Learning | Tom Nardi | [
"3d Printer hacks"
] | [
"3D printer fire",
"computer vision",
"machine learning",
"Octoprint"
] | Among 3D printer owners, “spaghetti” is the common term for the tangled mess of stringy plastic that’s often the result of a failed print. Fear of their print bed turning into a hot plate of PLA spaghetti is enough to keep many users from leaving their machines operating overnight or while they’re out of the house. Acc... | 10 | 7 | [
{
"comment_id": "6037916",
"author": "Mark M Mullin",
"timestamp": "2019-03-29T12:33:57",
"content": "I don’t think this is the best approach – this is throwing way too much horsepower at the problem without thought – given the number of printers I’ve peered into, illumination is usually and issue... | 1,760,373,987.912868 | ||
https://hackaday.com/2019/03/29/how-much-apple-does-a-hamburger-get-you/ | How Much Apple Does A Hamburger Get You? | Jenny List | [
"Teardown"
] | [
"fake",
"fake charger",
"teardown"
] | A while ago, [Skippy] bought a cheap knock-off of the Apple USB mains charger from an AliExpress seller, for the British low, low price of 89p. Normally we’d give you a dollar conversion, but since that’s coincidentally the price of the basic McDonalds hambuger in the UK we’ll go with the hamburger as a unit of convers... | 28 | 13 | [
{
"comment_id": "6036893",
"author": "Anon",
"timestamp": "2019-03-29T08:22:41",
"content": "https://skippy.org.uk/what-does-89p-geta-you-autopsy-of-a-chinese-phone-charger/: 404…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6037041",
"author": "Alphatek... | 1,760,373,987.706822 | ||
https://hackaday.com/2019/03/28/writing-a-very-tiny-chess-program/ | Writing A Very Tiny Chess Program | Lewin Day | [
"classic hacks"
] | [
"chess",
"sinclair",
"z80"
] | When programming for modern platforms, the restraints are different to those of 30 years ago. Back in the dawn of the microcomputer age, storage and RAM were measured in kilobytes. It simply wasn’t possible to store large amounts of graphical data, and even code had to be pared back at times. [reeabgo] found out some o... | 29 | 14 | [
{
"comment_id": "6036367",
"author": "Chaemelion",
"timestamp": "2019-03-29T06:15:53",
"content": "Maybe it’s a naive thought, but when I read about how much was accomplished on the limited hardware of the past, I start to think maybe our modern programming mindset could use a little work.",
"pa... | 1,760,373,988.438904 | ||
https://hackaday.com/2019/03/28/eavesdropping-on-cosmonauts-with-an-sdr/ | Eavesdropping On Cosmonauts With An SDR | Dan Maloney | [
"Space",
"Wireless Hacks"
] | [
"Airspy",
"astronaut",
"cosmonaut",
"international space station",
"iss",
"QFH",
"quadrifilar helical antenna",
"sdr",
"Soyuz"
] | Usually when we hear about someone making contact with astronauts in orbit, it’s an intentional contact between a ham on the ground and one of the licensed radio amateurs on the ISS. We don’t often see someone lucky enough to snag
a conversation between ground controllers and a spacecraft en route to the ISS
like this.... | 9 | 2 | [
{
"comment_id": "6035966",
"author": "getoffmyhack",
"timestamp": "2019-03-29T04:35:23",
"content": "Is it just me, or is he several kHz off from center?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6036815",
"author": "Truth",
"timestamp":... | 1,760,373,989.102874 | ||
https://hackaday.com/2019/03/28/reverse-engineering-a-modern-ip-camera/ | Reverse Engineering A Modern IP Camera | Lewin Day | [
"classic hacks"
] | [
"camera",
"ip camera",
"linux",
"serial"
] | Security cameras used to be analog devices feeding back into a room full of tiny screens and commercial grade VCRs. As technology moved forward, IP cameras began to proliferate. Early models simply presented a video stream and configuration page to the local network. Modern models aimed at the home market differ howeve... | 51 | 13 | [
{
"comment_id": "6034583",
"author": "geocrasher",
"timestamp": "2019-03-28T23:15:36",
"content": "“the camera attempts to resolve Google, Facebook and Alibaba servers over DNS”No need for camera hacking. Sounds like it came pre-hacked!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,988.532074 | ||
https://hackaday.com/2019/03/28/ammo-can-holds-a-14000-lumen-led-flashlight/ | Ammo Can Holds A 14,000 Lumen LED Flashlight | Tom Nardi | [
"hardware",
"LED Hacks"
] | [
"ammo can",
"control panel",
"flashlight",
"led",
"LED driver"
] | For most people, a flashlight is just something you keep in a drawer in the kitchen in case the power goes out. There’s even a good chance your “flashlight” is just an application on your phone at this point. But as we’ve seen many times before from mechanical keyboards to Power Wheels, hardcore niche communities can d... | 10 | 8 | [
{
"comment_id": "6034338",
"author": "Benik3",
"timestamp": "2019-03-28T22:10:44",
"content": "And then there is Imalent MS18 with 100 000lm :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6034414",
"author": "Paul",
"timestamp": "2019-03-28T22:31:36... | 1,760,373,988.587085 | ||
https://hackaday.com/2019/03/30/grab-an-image-from-your-o-scope-the-easy-way/ | Grab An Image From Your O-scope The Easy Way | Brian Benchoff | [
"Tool Hacks"
] | [
"oscilloscope",
"python",
"rigol",
"Rigol 1054Z"
] | The Rigol DS1054Zed is the oscilloscope you want. If you don’t have an oscilloscope, this is the scope that has the power and features you need, it’s cheap, and the people who do hardware hacks already have one. That means there’s a wealth of hardware hacks for this oscilloscope. One small problem with the ‘Zed is the ... | 34 | 16 | [
{
"comment_id": "6046342",
"author": "CMH62",
"timestamp": "2019-03-30T23:15:22",
"content": "You had me with “rigolmarole”!????????????",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6053226",
"author": "darkspr1te",
"timestamp": "2019-04-01... | 1,760,373,988.668419 | ||
https://hackaday.com/2019/03/30/hash-and-roll-your-way-to-secure-passwords/ | Hash And Roll Your Way To Secure Passwords | Lewin Day | [
"Security Hacks"
] | [
"dice",
"password",
"password manager",
"passwords"
] | In the electronic battlefield that is 2019, the realm of password security is fraught with dangers. Websites from companies big and small leak like sieves, storing user data in completely unsecure ways. Just about the worst thing you can do is use the same password across several services, meaning that an attack on one... | 17 | 9 | [
{
"comment_id": "6045800",
"author": "djsmiley2k",
"timestamp": "2019-03-30T21:04:39",
"content": "Hmmm sure it gives you a different password for every service, but you need to then remember the name of the service and how you set it up. For example, my PSN account – did I set it up via playstation... | 1,760,373,988.726324 | ||
https://hackaday.com/2019/03/30/a-pet-robot-just-like-boston-dynamics-makes/ | A Pet Robot, Just Like Boston Dynamics Makes | Brian Benchoff | [
"Robots Hacks"
] | [
"BLDC",
"BLDC controller",
"custom motor",
"robot",
"robot dog"
] | Every few months or so, a new video from Boston Dynamics will make the rounds on the Internet. This is their advertising, because unless the military starts buying mechanical mules, Boston Dynamics is going to be out of business pretty soon. You’ll see robots being kicked down the stairs, robots walking through doors, ... | 13 | 6 | [
{
"comment_id": "6044905",
"author": "radicalbrad",
"timestamp": "2019-03-30T17:10:32",
"content": "Wow, that hybrid gimbal / stepper / gearbox is a work of art.I would love to have these available for my motion control projects!Brad",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,989.710507 | ||
https://hackaday.com/2019/03/30/printed-perching-pals-proliferate/ | Printed Perching Pals Proliferate | Roger Cheng | [
"Arduino Hacks",
"Robots Hacks"
] | [
"3d printed",
"Adafruit trinket",
"arduino",
"arduino nano",
"LED array",
"servo",
"sg90",
"shoulder"
] | Anansi in African folktale is a trickster and god of stories, usually taking physical form of a spider. Anansi’s adventures through oral tradition have adapted to the situation of people telling those stories, everything ranging from unseasonable weather to living a life in slavery. How might Anansi adapt to the twenty... | 4 | 2 | [
{
"comment_id": "6044387",
"author": "Antonio Soares",
"timestamp": "2019-03-30T15:01:25",
"content": "so basically a xpider clone ?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6045380",
"author": "rubypanther",
"timestamp": "2019-03-30T19:05:10",
... | 1,760,373,988.977462 | ||
https://hackaday.com/2019/03/30/executing-a-vehicle-keyless-entry-attack/ | Executing A Vehicle Keyless Entry Attack | Jenny List | [
"News",
"Radio Hacks"
] | [
"rolling code",
"RTL-SDR",
"YARD stick one"
] | You read about well-publicised security exploits, but they always seem to involve somebody with a deity’s grasp of whatever technology is being employed, as well as a pile of impossibly exotic equipment. Surely a mere mortal could never do that!
Happily, that’s not always the case, and to prove it [
Gonçalo Nespral
]
r... | 1 | 1 | [
{
"comment_id": "6045507",
"author": "xorpunk",
"timestamp": "2019-03-30T19:40:14",
"content": "All you have to do is make sure the vehicle honks or flashes to completely mitigate the attack…These systems all use the same seed-state as the key transponder and it’s usually stored in a SKIM or BCM mod... | 1,760,373,989.259768 | ||
https://hackaday.com/2019/03/30/fluorescence-microcope-on-a-hackers-budget/ | Fluorescence Microscope On A Hacker’s Budget | Brian McEvoy | [
"chemistry hacks"
] | [
"excitation",
"filter",
"Fluorescence Microscopy",
"fluorescent",
"Fluorophore",
"lab",
"lab equipment",
"microscope",
"microscopy",
"modification",
"optics",
"shift",
"upgrade"
] | Some of biology’s most visually striking images come from fluorescence microscopes. Their brilliant colors on black look like a neon sign from an empty highway. A brand new fluorescence microscope is beyond a hacker’s budget and even beyond some labs’, but there are ways to upgrade an entry-level scope for the cost of ... | 19 | 5 | [
{
"comment_id": "6043112",
"author": "Richard K Collins",
"timestamp": "2019-03-30T09:54:22",
"content": "Fluorescent Microscope on a Hackers BudgetByron, I do not know how the comments work here, so I hope this comment is passed along to Justin. So if HackaDay has figured how to establish a channe... | 1,760,373,989.221788 | ||
https://hackaday.com/2019/03/29/emergency-neighbourhood-communications-courtesy-of-helper/ | Emergency Neighbourhood Communications Courtesy Of HELPER | Lewin Day | [
"Radio Hacks"
] | [
"emergency communications",
"LoRa",
"radio"
] | For many people, phone and Internet connectivity are omnipresent and always available. It’s possible to upload selfies from a Chinese subway, and search for restaurant reviews in most highway towns, all thanks to modern cellular connectivity. However, in emergencies, we’re not always so lucky. If towers fail or user de... | 23 | 10 | [
{
"comment_id": "6041935",
"author": "Avin A. Laff",
"timestamp": "2019-03-30T05:18:28",
"content": "Is it actually a journal article, or an archived prepublication? Is this a closed source proprietary product?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "60... | 1,760,373,989.160584 | ||
https://hackaday.com/2019/03/27/full-motion-video-and-3d-graphics-make-this-genesis-demo-pop/ | Full Motion Video And 3D Graphics Make This Genesis Demo Pop | Lewin Day | [
"classic hacks"
] | [
"demo",
"demoscene",
"sega",
"sega genesis",
"sega mega drive"
] | The SEGA Genesis (aka Mega Drive) was launched at the tail end of the 1980s, bringing a new level of performance to the console world. At the time, 2D graphics ruled the roost, outside a few niche titles here and there. Decades later however, the demoscene continues to work in earnest.
The Red Eyes demo is a great exam... | 8 | 5 | [
{
"comment_id": "6029202",
"author": "Timo Birnschein",
"timestamp": "2019-03-28T05:06:19",
"content": "Very impressive demo!It was not just the wrong side of the disk, though ????",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6032371",
"author": "s... | 1,760,373,990.136503 | ||
https://hackaday.com/2019/03/27/the-surprising-tech-of-a-cheap-toaster/ | The Surprising Tech Of A Cheap Toaster | Al Williams | [
"Teardown"
] | [
"electromagnet",
"timer",
"toaster"
] | How complicated can a toaster be? You can get a cheap one for way under $10 that is little more than a hot wire. However, there are a few little complications. First, consumer products need to be safe — lawsuits are expensive. Second, there has to be some mechanism to hold the toast down until it is done. If you can bu... | 62 | 16 | [
{
"comment_id": "6026426",
"author": "Douglas Miller",
"timestamp": "2019-03-27T23:21:59",
"content": "‘lack toast intolerant’We saw what you did there.Getting clever, aren’t we now…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6029879",
"author": ... | 1,760,373,989.499811 | ||
https://hackaday.com/2019/03/27/leds-shine-through-pcb-on-this-tiny-word-clock/ | LEDs Shine Through PCB On This Tiny Word Clock | Dan Maloney | [
"clock hacks"
] | [
"etch",
"fr4",
"led",
"pcb",
"pic",
"pic16f887",
"rtc",
"solder mask",
"word clock"
] | Everyone seems to love word clocks. Maybe it’s the mystery of a blank surface lighting up to piece together the time in fuzzy format, or maybe it hearkens back to those “find-a-word” puzzles that idled away many an hour. Whatever it is, we see a lot of word clock builds, but there’s something especially about
this dimi... | 22 | 7 | [
{
"comment_id": "6025049",
"author": "Ken",
"timestamp": "2019-03-27T20:19:28",
"content": "Is this a kit… Nice build.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6025090",
"author": "sjm4306",
"timestamp": "2019-03-27T20:24:25",
"... | 1,760,373,989.31789 | ||
https://hackaday.com/2019/03/27/hacker-abroad-vietnams-hardware-hackers/ | Hacker Abroad: Vietnam’s Hardware Hackers | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"Hacker Abroad",
"Ho Chi Minh City",
"meetup",
"printing",
"robots",
"vietnam",
"Wearables",
"wood block"
] | One of the unfortunate things about Hackaday’s globe-spanning empire is that you often don’t get to meet the people you work with in person. Since I was in China and it’s right next door, I really wanted to pop over to Vietnam and meet Sean Boyce, who has been writing for Hackaday for a couple of years, yet we’ve never... | 5 | 4 | [
{
"comment_id": "6025101",
"author": "Hirudinea",
"timestamp": "2019-03-27T20:26:02",
"content": "Cool hacks and yummy food, what could be better?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6025933",
"author": "Prof. Fartsparkles",
"timestamp": "20... | 1,760,373,989.552854 | ||
https://hackaday.com/2019/03/27/extraterrestrial-excavation-digging-holes-on-other-worlds/ | Extraterrestrial Excavation: Digging Holes On Other Worlds | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider",
"Space"
] | [
"Asteroids",
"digging",
"drilling",
"excavation",
"lander",
"mars",
"moon",
"regolith",
"sample",
"sample return",
"space probe"
] | We humans are good at a lot of things, but making holes in the ground has to be among our greatest achievements. We’ve gone from grubbing roots with a stick to feeding billions with immense plows pulled by powerful tractors, and from carving simple roads across the land to drilling tunnels under the English Channel. Ev... | 15 | 8 | [
{
"comment_id": "6023856",
"author": "Ostracus",
"timestamp": "2019-03-27T17:17:28",
"content": "“Many such early missions to the Moon ended that way, with the first being the Luna 2, a Soviet mission that impacted in September of 1959, less than two years after Sputnik.”Wreckage should still be the... | 1,760,373,989.613275 | ||
https://hackaday.com/2019/03/27/monitor-your-3d-printer-with-node-red-and-tasker/ | Monitor Your 3D Printer With Node-RED And Tasker | Tom Nardi | [
"3d Printer hacks",
"Android Hacks",
"Raspberry Pi"
] | [
"android",
"node-red",
"notifications",
"Octoprint",
"tasker"
] | Anyone with a desktop 3D printer knows that it can be a bit nerve-wracking to leave the machine alone for any extended period of time. Unfortunately, it’s often unavoidable given how long more complicated prints can take. With big prints easily stretching beyond the 20 hour mark, at some point you’re going to need to l... | 11 | 4 | [
{
"comment_id": "6023453",
"author": "modmanpaul",
"timestamp": "2019-03-27T15:51:40",
"content": "even better is to try the new Spaghetti Detective system",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6023464",
"author": "Ostracus",
"timestamp": "201... | 1,760,373,989.989495 | ||
https://hackaday.com/2019/03/27/stuck-designing-two-layer-pcbs-give-four-layers-a-try/ | Stuck Designing Two-Layer PCBs? Give Four Layers A Try! | Ted Yapo | [
"Hackaday Columns",
"hardware",
"how-to"
] | [
"2-layer",
"4-layer",
"pcb"
] | Many readers are certainly familiar with the process for home-etching of PCBs: it’s considered very straightforward, if a little involved, today. This was not the case in my youth, when I first acquired an interest in electronics. At that time, etching even single-sided boards was for “advanced” hobbyists. By the time ... | 44 | 17 | [
{
"comment_id": "6023244",
"author": "Ren",
"timestamp": "2019-03-27T14:44:18",
"content": "Not knowing what you meant by HASL, I looked it up Hot Air Solder Leveling.https://www.7pcb.com/blog/enig-vs-hasl-different-surface-finish-techniques.phpAnd decades ago, I read about “Stripline” being used f... | 1,760,373,989.795137 | ||
https://hackaday.com/2019/03/28/an-air-quality-monitor-that-leverages-the-cloud/ | An Air Quality Monitor That Leverages The Cloud | Lewin Day | [
"classic hacks"
] | [
"air quality",
"pi zero",
"Pi Zero W",
"raspberry pi"
] | Air quality has become an increasing concern in many urban areas, due to congestion and our ever-increasing energy use. While there are many organisations that task themselves with monitoring such data, it’s also something anyone should be able to take on at home.
[Chrisys] is doing just that, with some impressive log... | 9 | 5 | [
{
"comment_id": "6033831",
"author": "Brian",
"timestamp": "2019-03-28T19:34:12",
"content": "Have been using the BME680, for last six months, in a client’s factory. This sensor can indicate parameters associated with poor air quality; but would be careful to say, without any additional data, that t... | 1,760,373,989.935815 | ||
https://hackaday.com/2019/03/28/wopr-security-loses-some-of-its-obscurity/ | WOPR: Security Loses Some Of Its Obscurity | Tom Nardi | [
"cons",
"Hackaday Columns",
"Security Hacks",
"Software Hacks"
] | [
"ble",
"internet of things",
"RTL-SDR",
"sdr",
"security",
"WOPR Summit"
] | As we’ve seen time and time again, the word “hacker” takes on a different meaning depending on who you’re talking to. If you ask the type of person who reads this fine digital publication, they’ll probably tell you that a hacker is somebody who likes to learn how things work and who has a penchant for finding creative ... | 11 | 4 | [
{
"comment_id": "6032902",
"author": "Someone has to say it...",
"timestamp": "2019-03-28T17:28:09",
"content": "So, what’s that thing sticking up between the pig’s hind legs in the opening slide?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6034661",
... | 1,760,373,990.044506 | ||
https://hackaday.com/2019/03/28/casting-car-emblems-via-3d-printing/ | Casting Car Emblems Via 3D Printing | Lewin Day | [
"3d Printer hacks"
] | [
"casting",
"lost PLA",
"lost pla casting"
] | Casting is a process that can be quite demanding for the first timer, but highly rewarding once the basic techniques are mastered. It then becomes possible to quickly and reliably produce metal parts en masse, and with impressive tolerances if the right method is chosen. [VegOilGuy] has been experimenting with lost PLA... | 10 | 5 | [
{
"comment_id": "6032801",
"author": "Ostracus",
"timestamp": "2019-03-28T17:01:35",
"content": "Good way of satisfying the “hood swiping” market in a nondestructive way.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6032897",
"author": "Ren",
... | 1,760,373,990.088481 | ||
https://hackaday.com/2019/03/28/arduino-converts-serial-to-parallel-the-paralleloslam/ | Arduino Converts Serial To Parallel: The Paralleloslam | Lewin Day | [
"classic hacks",
"Featured",
"hardware",
"Interest",
"Microcontrollers"
] | [
"dot matrix",
"dot matrix printer",
"parallel",
"printer",
"serial"
] | After a youth spent playing with Amigas and getting into all sorts of trouble on the school computer network, I’ve always had a soft spot in my heart for hardware from the 80s and 90s. This extends beyond computers themselves, and goes so far as to include modems, photocopiers, and even the much-maligned dot matrix pri... | 34 | 10 | [
{
"comment_id": "6032140",
"author": "Andy Pugh",
"timestamp": "2019-03-28T14:20:11",
"content": "Is this some sort of proprietary parallel interface such that an off-the-shelf USB to Parallel converter wasn’t an option?I have a USB flat-bed plotter by the simple expedient of finding a space inside ... | 1,760,373,990.213224 | ||
https://hackaday.com/2019/03/28/office-depot-and-officemax-find-malware-that-isnt-there/ | Office Depot And OfficeMax Find Malware That Isn’t There | Al Williams | [
"News"
] | [
"cybersecurity",
"fraud",
"FTC",
"virus scanning"
] | Sometimes we are rebuilding a RAID array or replacing a BIOS chip and we wonder how ordinary people keep their computes running. Then we realize that most of them come to someone like us for help. But what if you don’t have a family member or friend who is computer savvy? No problem! Plenty of stores — including big bo... | 72 | 21 | [
{
"comment_id": "6031263",
"author": "Will Lyon",
"timestamp": "2019-03-28T11:20:23",
"content": "” replacing a BIOS chip”Seriously? How long has it been since motherboards stopped making replaceable BIOS chips?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,373,990.319783 | ||
https://hackaday.com/2019/03/28/put-an-arduino-enigma-in-your-pocket/ | Put An Arduino Enigma In Your Pocket | Tom Nardi | [
"Arduino Hacks",
"classic hacks"
] | [
"enigma",
"germany",
"history",
"touch screen",
"wwii"
] | The German Enigma device has always been a fascinating gadget for hackers. We’ve seen various replicas and emulators created over the years, and it was recently even the subject of our weekly Hack Chat. But if you think about it it’s not really a surprise; the Enigma has the perfect blend of historical significance and... | 15 | 6 | [
{
"comment_id": "6031543",
"author": "NoseyNick",
"timestamp": "2019-03-28T12:08:59",
"content": "This needs to be combined withhttps://hackaday.com/2019/03/26/a-keyboard-for-your-thumb/!… now, anyone got a teeny plug-board design, or shall we leave that in software?",
"parent_id": null,
"de... | 1,760,373,990.374244 | ||
https://hackaday.com/2019/03/27/building-an-artisanal-tape-measure/ | Building An Artisanal Tape Measure | Tom Nardi | [
"cnc hacks",
"Tool Hacks"
] | [
"acrylic",
"cnc",
"custom enclosure",
"dxf",
"tape measure",
"woodworking"
] | Some tools are so common, so basic, that we take them for granted. A perfect example is the lowly tape measure. We’ve probably all got a few of these kicking around the lab, and they aren’t exactly the kind of thing you give a lot of thought to when you’re using them. But while most of us might not give our tape measur... | 13 | 5 | [
{
"comment_id": "6029272",
"author": "curt j thompson",
"timestamp": "2019-03-28T05:18:04",
"content": "Dissatisfied with every screwdriver I owned, I took a similar approach with making a driver handle. Check it our here:https://www.youtube.com/watch?v=Qrgpe0ktgws&t=3s",
"parent_id": null,
... | 1,760,373,990.428377 | ||
https://hackaday.com/2019/03/27/running-a-glider-with-the-px4-flight-controller/ | Running A Glider With The PX4 Flight Controller | Lewin Day | [
"classic hacks"
] | [
"autonomous aircraft",
"PixHawk",
"pixracer",
"PX4"
] | There are a few open source autopilots available these days for quadcopters and fixed wing aircraft. Two of the most popular are ArduPilot and PX4, however neither is officially capable of working with unpowered aircraft. Despite this, [rctestflight] decided to run some experiments to see
just how PX4 would fare when c... | 12 | 6 | [
{
"comment_id": "6022623",
"author": "djsmiley2k",
"timestamp": "2019-03-27T11:23:15",
"content": "For the sake of all drone and glider owners, please do not draw a giant penis in the sky! ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6022734",
"... | 1,760,373,990.47297 | ||
https://hackaday.com/2019/03/27/save-an-old-drill-from-landfill-with-some-lithium-ion-magic/ | Save An Old Drill From Landfill, With Some Lithium-Ion Magic | Jenny List | [
"Tool Hacks"
] | [
"cordless drill",
"Li-ion",
"NiCd",
"nimh"
] | What do you do, when your trusty cordless drill starts to lose battery capacity? You bought it a decade ago and parts are a distant memory, so there’s no chance of buying a new pack. If you are [Danilo Larizza], you strip away the old NiMh cells, and
replace them with a custom pack
(Italian,
Google Translate link
) mad... | 39 | 17 | [
{
"comment_id": "6022288",
"author": "Gregg Eshelman",
"timestamp": "2019-03-27T08:25:51",
"content": "I had an old 24 volt sealed lead acid Weed Eater string trimmer (also sold under various other brand names). It was given to me with dead batteries so I bought a new pair.It worked well for about 3... | 1,760,373,990.670366 | ||
https://hackaday.com/2019/03/26/reverse-engineering-shimano-bike-electronics/ | Reverse Engineering Shimano Bike Electronics | Lewin Day | [
"classic hacks"
] | [
"ant",
"bicycle",
"cycling",
"groupset",
"shimano"
] | ANT+ is a wireless protocol specifically designed for use with sensors, and has similar functionality in some respects to Bluetooth Low Energy. It’s found a place among various bicycle equipment manufacturers, to connect smartwatches, cycle computers and electronic gear shifters. Of course, as soon as something becomes... | 33 | 14 | [
{
"comment_id": "6021947",
"author": "JanErik",
"timestamp": "2019-03-27T06:57:17",
"content": "Combine with a cadence meter to make it full automatic.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6318163",
"author": "jamey",
"timestamp": "... | 1,760,373,990.855174 | ||
https://hackaday.com/2019/03/26/sensor-laden-pigeons-gather-data-for-urban-weather-modeling/ | Sensor-Laden Pigeons Gather Data For Urban Weather Modeling | Dan Maloney | [
"Misc Hacks",
"Science"
] | [
"climate",
"data",
"drone",
"logger",
"pigeon",
"sensor",
"UAS",
"urban",
"weather"
] | When it comes to gathering environmental data in real-world settings, urban environments have to be the most challenging. Every city has nooks and crannies that create their own microenvironments, and placing enough sensors to get a decent picture of what’s going on in all of them is a tough job. But if
these sensor-la... | 30 | 12 | [
{
"comment_id": "6020962",
"author": "CityZen",
"timestamp": "2019-03-27T02:39:23",
"content": "What is the air-speed velocity of an AvMIP-laden pigeon?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6022090",
"author": "macsimski",
"timestam... | 1,760,373,990.741132 | ||
https://hackaday.com/2019/03/26/a-keyboard-for-your-thumb/ | A Keyboard For Your Thumb | Brian Benchoff | [
"handhelds hacks",
"hardware"
] | [
"keyboard",
"mechanical keyboard",
"tact switch"
] | Here’s an interesting problem that no one has cracked. There are no small keyboards that are completely configurable. Yes, you have some Blackberry keyboards connected to an Arduino, but you’re stuck with the key layout. You could get one of those Xbox controller chat pads, but again, you’re stuck with the keyboard lay... | 11 | 8 | [
{
"comment_id": "6020348",
"author": "CMH2",
"timestamp": "2019-03-26T23:25:36",
"content": "Hyperbole^2 = comments! Well done, BB … this is one of the best small keyboard reviews ever written!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6020403",
... | 1,760,373,990.786688 | ||
https://hackaday.com/2019/03/26/how-to-build-a-mill-with-epoxy/ | How To Build A Mill With Epoxy | Lewin Day | [
"cnc hacks"
] | [
"cnc",
"CNC mill",
"epoxy",
"Machine tool",
"mill"
] | The typical machine tool you’ll find in a workshop has a base and frame made of cast iron or steel. These materials are chosen for their strength, robustness and their weight, which helps damp vibrations. However, it’s not the only way to make a machine tool.
[John McNamara] has been working on a CNC mill with an epoxy... | 27 | 8 | [
{
"comment_id": "6019735",
"author": "Joel B",
"timestamp": "2019-03-26T20:33:36",
"content": "I’d like to know where people are getting epoxy. Locally, it’s crazy expensive (like $180 CAD for a half gallon). eBay and Amazon, it’s still at least $100 a gallon. Is there some secret Epoxy warehouse... | 1,760,373,990.927666 | ||
https://hackaday.com/2019/03/26/hacker-abroad-owning-a-business-in-chinas-electonics-markets/ | Hacker Abroad: Owning A Business In China’s Electronics Markets | Mike Szczys | [
"Hackaday Columns"
] | [
"electronics markets",
"Hacker Abroad",
"Huaqiangbei",
"shenzhen"
] | I spent a full day on Saturday in the electronics markets of Shenzhen, China. The biggest thing to take away from this is the sheer scale of business that is going on here. It’s a consumer-electronics tourist trap, it’s a manufacturing and wholesaling nexus point, and it’s a community of people working incredibly hard ... | 20 | 13 | [
{
"comment_id": "6019310",
"author": "Marek",
"timestamp": "2019-03-26T18:47:54",
"content": "Typo in the title: electonics, should read: electRonics Best!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6021207",
"author": "Mike Szczys",
"tim... | 1,760,373,990.99923 | ||
https://hackaday.com/2019/03/25/testing-a-battery-powered-mini-spot-welder/ | Testing A Battery-Powered Mini Spot Welder | Donald Papp | [
"Tool Hacks"
] | [
"battery powered",
"portable",
"review",
"spot welder"
] | Did you ever see a thin metal tab bonded to a battery terminal with little pock marks? That’s the work of a spot welder. Spot welding is one of those processes that doesn’t offer much in the way of alternatives; either one uses a spot welder to do the job right, or one simply does without. That need is what led [Erwin ... | 27 | 11 | [
{
"comment_id": "6016867",
"author": "Hirudinea",
"timestamp": "2019-03-25T23:40:31",
"content": "Seems like it works well and the last demo where he spot welded the scissors could be a funny office prank.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6016898... | 1,760,373,991.158647 | ||
https://hackaday.com/2019/03/25/this-force-controlled-robot-gripper-is-less-likely-to-break-stuff/ | This Force Controlled Robot Gripper Is Less Likely To Break Stuff | Lewin Day | [
"Robots Hacks"
] | [
"gripper",
"robot",
"robot actuator"
] | While robotic arms can handle a wide variety of tasks, the specific job at hand will have a major influence on the type of end effector used. For sorting ferromagnetic parts an electromagnet might be enough, while for more accurate location a mechanical gripper could be employed. If you’re working with particularly del... | 0 | 0 | [] | 1,760,373,991.937127 | ||
https://hackaday.com/2019/03/25/hacker-abroad-cellphone-repair-in-huaqiangbei-and-a-huge-meetup-at-seeed/ | Hacker Abroad: Cellphone Repair In Huaqiangbei And A Huge Meetup At Seeed | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"cellphone repair",
"electronics markets",
"Hacker Abroad",
"Huaqiangbei",
"repair broken cellphone glass",
"Seeed Stuio",
"shenzhen",
"X.Factory"
] | Shenzhen, China is the home of the legendary electronics markets of Huaqiangbei. Friday was my first full day in the city, having spent the previous three days in Shanghai. We got a little bit of a late start as our flight didn’t arrive until after 1 am and we stayed at the first night at an airport hotel. We met up wi... | 13 | 5 | [
{
"comment_id": "6016136",
"author": "darkspr1te",
"timestamp": "2019-03-25T18:53:28",
"content": "cell phone video missing. wish i was there, looks fun, strange parts latest video on cell battery readers makes me want one to take apart.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,991.270927 | ||
https://hackaday.com/2019/03/25/the-worlds-fastest-555-timer-and-the-state-of-the-555/ | Making The World’s Fastest 555 Timer, Or Using A Modern IC Version | Ted Yapo | [
"Hackaday Columns",
"hardware",
"Parts",
"Slider"
] | [
"555"
] | If you’re not familiar with the 555 timer, suffice it to say that this versatile integrated circuit is probably the most successful ever designed, and has been used in countless designs, many of which fall very far afield from the original intent. From its introduction, the legendary 555 has found favor both with profe... | 24 | 12 | [
{
"comment_id": "6015938",
"author": "david",
"timestamp": "2019-03-25T17:16:35",
"content": "Iam looking for an retriggerable monostable multivibrator with an pulse width of 500ns any ideas output needs to connect to ground for that time..thanks all",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,991.383957 | ||
https://hackaday.com/2019/03/25/esp32-video-tricks-hack-chat-with-bitluni/ | ESP32 Video Tricks Hack Chat With Bitluni | Dan Maloney | [
"Hackaday Columns"
] | [
"analog",
"bitluni",
"composite",
"dac",
"ESP32",
"Hack Chat",
"ntsc",
"pal",
"vga",
"video"
] | Join us Wednesday at noon Pacific time for the
ESP32 Video Tricks Hack Chat
!
The projects that
bitluni
works on have made quite a few appearances on these pages over the last couple of years. Aside from what may or may not have been
a street legal electric scooter
, most of them have centered around making ESP32s do i... | 2 | 1 | [
{
"comment_id": "6015880",
"author": "FuzzyOne",
"timestamp": "2019-03-25T16:45:37",
"content": "HDMI would be awesome!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6015914",
"author": "rnjacobs",
"timestamp": "2019-03-25T17:05:19",
... | 1,760,373,991.313833 | ||
https://hackaday.com/2019/03/25/building-a-turbocharger-turbojet/ | Building A Turbocharger Turbojet | Lewin Day | [
"Engine Hacks"
] | [
"centrifugal flow",
"jet engine",
"turbocharger",
"turbojet"
] | Jet engines are known to be highly demanding machines, requiring the utmost attention to tolerances, material specifications, and operating regimes. If any of these parameters are ignored, failures can be catastrophic and expensive. Despite these exacting requirements, it is possible to build a jet engine in the home w... | 17 | 8 | [
{
"comment_id": "6015709",
"author": "Keith Sparks",
"timestamp": "2019-03-25T15:12:36",
"content": "My favorite Turbojet projects.http://www.rcdon.com/html/experimental_projects.html",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6016068",
"author":... | 1,760,373,991.438245 | ||
https://hackaday.com/2019/03/25/could-orion-ride-falcon-heavy-to-the-moon/ | Could Orion Ride Falcon Heavy To The Moon? | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Space"
] | [
"Falcon Heavy",
"nasa",
"orbital mechanics",
"sls",
"space",
"Space Launch System",
"SpaceX"
] | Things aren’t looking good for NASA’s Space Launch System (SLS). Occasionally referred to as the “Senate Launch System”, or even less graciously, the “Rocket to Nowhere”, the super heavy-lift booster has long been a bone of contention for those in the industry. Designed as an evolution of core Space Shuttle technology,... | 73 | 15 | [
{
"comment_id": "6015608",
"author": "Cyk",
"timestamp": "2019-03-25T14:03:37",
"content": "Calling a cab instead of building a car. What’s wrong with that?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6023131",
"author": "Martin",
"timesta... | 1,760,373,991.55516 | ||
https://hackaday.com/2019/03/26/can-you-live-without-the-ws2812/ | Can You Live Without The WS2812? | Brian Benchoff | [
"Featured",
"Interest",
"LED Hacks",
"Slider"
] | [
"APA101",
"neopixel",
"RGB LED",
"ws2812",
"ws2812b",
"WS2813"
] | As near as we can tell, the popular WS2812 individually addressable RGB LED was released to the world sometime around the last half of 2013. This wasn’t long ago, or maybe it was an eternity; the ESP8266, the WiFi microcontroller we all know and love was only released a year or so later. If you call these things “Neopi... | 91 | 22 | [
{
"comment_id": "6018986",
"author": "deshipu",
"timestamp": "2019-03-26T17:12:23",
"content": "How about the other APA addressable LEDs? In particular the ones that use an SPI protocol, with a proper clock pin, and thus don’t have ridiculous timing requirements for the signal?",
"parent_id": nu... | 1,760,373,991.788175 |
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