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https://hackaday.com/2019/03/26/repairing-a-vintage-sharp-memowriter/ | Repairing A Vintage Sharp MemoWriter | Tom Nardi | [
"handhelds hacks",
"Repair Hacks"
] | [
"1980's",
"battery corrosion",
"calculator",
"restoration",
"sharp"
] | As you may know, we’re rather big fans of building things here at Hackaday. But we’re also quite partial to repairing things which might otherwise end up in a landfill. Especially when those things happen to be interesting pieces of vintage hardware. So
the work [ekriirke] put in to get this early 1980’s era Sharp Memo... | 9 | 3 | [
{
"comment_id": "6018841",
"author": "Jerry",
"timestamp": "2019-03-26T16:28:22",
"content": "I didn’t get the memo..",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6019265",
"author": "Erik Johnson",
"timestamp": "2019-03-26T18:38:50",
"content": ... | 1,760,373,993.951059 | ||
https://hackaday.com/2019/03/26/ask-hackaday-get-the-lead-out-or-not/ | Ask Hackaday: Get The Lead Out Or Not? | Dan Maloney | [
"Ask Hackaday",
"Hackaday Columns",
"Slider"
] | [
"eu",
"flux",
"fumes",
"lead",
"lead-free",
"regulation",
"rohs",
"rosin",
"safety",
"SDS",
"solder",
"toxicity"
] | For most of the history of industrial electronics, solder has been pretty boring. Mix some lead with a little tin, figure out how to wrap it around a thread of rosin, and that’s pretty much it. Sure, flux formulations changed a bit, the ratio of lead to tin was tweaked for certain applications, and sometimes manufactur... | 160 | 45 | [
{
"comment_id": "6018488",
"author": "Ostracus",
"timestamp": "2019-03-26T14:11:49",
"content": "Would have been something if manufacturing had changed completely…say to wire-wrapping.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6018505",
"author"... | 1,760,373,994.440115 | ||
https://hackaday.com/2019/03/26/threaded-3d-printed-part-comparison/ | Threaded 3D Printed Part Comparison | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"tap",
"threaded insert",
"threads"
] | If you want to make serious assemblies out of 3D printed parts, you’ll eventually need to deal with threading. The easiest way is to make a nut trap that you can either insert a standard nut into after printing or even during printing. However, there are limitations to this method. If you want a real threaded part you ... | 25 | 14 | [
{
"comment_id": "6018147",
"author": "Katie",
"timestamp": "2019-03-26T11:38:35",
"content": "I’ve encountered a number of failed threaded prints, so this is no surprise. The threads don’t line up or are too weak. Not uncommon. It’s good to be reminded sometimes of alternatives though.",
"parent... | 1,760,373,993.767206 | ||
https://hackaday.com/2019/03/26/not-all-raspberry-pi-laptops-have-qwerty-keyboards-and-screens/ | Not All Raspberry Pi Laptops Have QWERTY Keyboards And Screens | Jenny List | [
"Raspberry Pi"
] | [
"braille",
"braille display",
"braille keyboard"
] | Our recent coverage of a Raspberry Pi Zero inside the official Pi keyboard prompted a reader to point us to another far more unusual keyboard with a Pi Zero inside it. It may be a couple of years old, but [Mario Lang]’s
Braille keyboard and display with built-in Pi
is still an interesting project and one that should gi... | 9 | 3 | [
{
"comment_id": "6018344",
"author": "gabrielssanches",
"timestamp": "2019-03-26T13:13:27",
"content": "It’s this kind of thing that reminds me what we take for granted.Awesome project, didn’t knew this tech existed",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,993.893584 | ||
https://hackaday.com/2019/03/25/wifi-your-door-lock-with-an-esp/ | WiFi Your Door Lock With An ESP | Brian Benchoff | [
"Wireless Hacks"
] | [
"door lock",
"ESP",
"IoT",
"lock"
] | The Internet of Things is upon us, and with that comes a deluge of smart cameras, smart home monitors, and smart home locks. There actually aren’t many smarts in these smart conveniences, and you can easily build your own.
That’s what [MakerMan] did
with some off-the-shelf parts and just a little bit of code. Now he ca... | 18 | 9 | [
{
"comment_id": "6017553",
"author": "Ostracus",
"timestamp": "2019-03-26T05:57:52",
"content": "“The Internet of Things is upon us, and with that comes a deluge of smart cameras, smart home monitors, and smart home locks. ”WiFi people and complete the “smart” circle.",
"parent_id": null,
"d... | 1,760,373,994.010321 | ||
https://hackaday.com/2019/03/25/easy-git-repository-summaries-with-web-git-sum/ | Easy Git Repository Summaries With Web-git-sum | Donald Papp | [
"Software Development"
] | [
"bash",
"Git",
"github",
"private server",
"repository",
"software",
"web-git-sum"
] | For those hosting their own git repositories there are a number of solutions for creating convenient web-accessible front ends, but [mitxela] wasn’t quite satisfied with any of them. After trying a number of alternatives and reflecting on his requirements, he realized that all he really needed was a summary page listin... | 16 | 4 | [
{
"comment_id": "6017414",
"author": "Ostracus",
"timestamp": "2019-03-26T03:50:19",
"content": "“Intrigued by the idea of a private git server? We covered exactly how to set one up (spoiler: it’s really easy.)”More intrigued by the frontware that uses it as a back-end. Sure there’s a lot that can b... | 1,760,373,994.142399 | ||
https://hackaday.com/2019/03/25/how-the-gigatron-ttl-microcomputer-works/ | How The Gigatron TTL Microcomputer Works | Jenny List | [
"computer hacks"
] | [
"gigatron",
"risc",
"ttl"
] | About a year ago when Hackaday and Tindie were at Maker Faire UK in Newcastle, we were shown an interesting retrocomputer by a member of York Hackspace. The Gigatron is a fully functional home computer of the type you might have owned in the early 1980s, but its special trick is that it does not contain a microprocesso... | 26 | 9 | [
{
"comment_id": "6015397",
"author": "Steven-X",
"timestamp": "2019-03-25T11:59:21",
"content": "Is it compatible with a paper tape reader?I took an Computer repair course in the 80’s where we got to play with a older mini that was donated. The CPU drawer was nothing but a card cage with TTL boards.... | 1,760,373,993.846857 | ||
https://hackaday.com/2019/03/25/magnetic-bearings-might-keep-this-motor-spinning-for-millennia/ | Magnetic Bearings Might Keep This Motor Spinning For Millennia | Dan Maloney | [
"Misc Hacks"
] | [
"bearing",
"diamagnetic",
"graphite",
"motor",
"pyrolyzed graphite",
"rotor",
"stator"
] | We see our share of pitches for perpetual motion machines in the Hackaday tips line, and we generally ignore them and move along. And while
this magnetic levitation motor
does not break the laws of thermodynamics, it can be considered a perpetual motion machine, at least for certain values of perpetuity.
The motor that... | 43 | 17 | [
{
"comment_id": "6014809",
"author": "jafinch78",
"timestamp": "2019-03-25T08:20:53",
"content": "Interesting artwork. I’m not looking into it at the moment… though will since if works as claimed/theorized would be an interesting mechanical electromagnetic supercapacitor improvement I’m thinking if ... | 1,760,373,994.089403 | ||
https://hackaday.com/2019/03/24/midi-to-cv-the-diy-way/ | MIDI To CV The DIY Way | Lewin Day | [
"Musical Hacks"
] | [
"control voltage",
"CV",
"midi",
"synth",
"synthesizer"
] | MIDI has been a remarkably popular interface since its inception way back in 1983. Based on existing serial interfaces, and with a broad enough set of features, it remains the defacto standard for communication between musical gear. However, older gear and many modular synths simply don’t grok digital data, instead usi... | 16 | 10 | [
{
"comment_id": "6015483",
"author": "Samuel C Cusumano",
"timestamp": "2019-03-25T12:48:44",
"content": "Careful with the dspsynth seller, I’ve only received two out of four orders to Jan, he never sends tracking, and communication is about 0 once your money clears PayPal. Sorry, I think his proje... | 1,760,373,994.19318 | ||
https://hackaday.com/2019/03/24/a-z80-homebrew-console-with-a-bit-of-modern-help/ | A Z80 Homebrew Console, With A Bit Of Modern Help | Jenny List | [
"Retrocomputing"
] | [
"atmega",
"console",
"z80"
] | We see a lot of retrocomputing projects here at Hackaday that take devices from the 8-bit era and re-create them in the 21st century. Sometimes they remain period-accurate and stick to all contemporary devices, but in other cases they take full advantage of four decades of advancing technology.
[Pkiller]’s Z80 console
... | 4 | 3 | [
{
"comment_id": "6014967",
"author": "[matseng]",
"timestamp": "2019-03-25T09:28:53",
"content": "It’s an interesting solution having two rams that’s moved between the cpu and gfx unit for double buffering for the video ram (and also avoid bus contention/arbitration). Did any commercial 80’s-era mac... | 1,760,373,994.235906 | ||
https://hackaday.com/2019/03/24/hackaday-links-march-24-2019/ | Hackaday Links: March 24, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"apple",
"CrystalFontz",
"ESP32",
"Facebook is terrible",
"fusion360",
"Klingon",
"Panelook",
"RISC-V",
"the verge"
] | It has come to my attention that a few of you don’t know about
Crystalfontz
, an online store where you can find displays of all types, from USB LCD displays to I2C OLEDs, to ePaper displays. Thanks to [arthurptj] for that tip. Yes, Crystalfontz is cool, but have you ever heard of
Panelook
? Oh boy are there some displ... | 31 | 19 | [
{
"comment_id": "6013686",
"author": "Z",
"timestamp": "2019-03-24T23:25:50",
"content": "Contrary to Brian’s supposition, me never having had a facebook (despite being squarely in the target demographic when it was new and popular), has never been a source of coolness.",
"parent_id": null,
... | 1,760,373,994.513479 | ||
https://hackaday.com/2019/03/24/heres-the-first-person-to-put-a-pi-in-the-raspberry-pi-keyboard/ | Here’s The First Person To Put A Pi In The Raspberry Pi Keyboard | Brian Benchoff | [
"Raspberry Pi"
] | [
"computer",
"keyboard",
"raspberry pi",
"standalone"
] | Last week, the Raspberry Pi foundation released the first official Raspberry Pi-branded keyboard and mouse. As a keyboard, it’s probably pretty great; it’s clad in a raspberry and white color scheme, the meta key is the Pi logo, there are function keys. Sure, the Ctrl and Caps Lock keys are in their usual, modern, inco... | 49 | 24 | [
{
"comment_id": "6013287",
"author": "Piecutter",
"timestamp": "2019-03-24T20:13:41",
"content": "Nice, but I’d add proper mounting for the Pi and some strain relief support for the ports. And maybe a power switch that doesn’t stick out so much.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,373,994.828255 | ||
https://hackaday.com/2019/03/24/custom-lora-pager-designed-with-care/ | Custom LoRa Pager Designed With Care | Lewin Day | [
"Radio Hacks"
] | [
"LoRa"
] | LoRa is a useful technology if you need to send data a long way at low power levels. Leveraging this,
[5Volt-Junkie] decided to build a small pager named the LoRaNicator.
Those who love a detailed build log will enjoy this. The pager features everything up to and including the kitchen sink. A Cortex M0+ runs the show, ... | 13 | 5 | [
{
"comment_id": "6013079",
"author": "unquidam",
"timestamp": "2019-03-24T18:27:15",
"content": "I there,A other on, SnapOnAirhttps://hackaday.io/project/22038-the-lorawan-pagerThose kind of pagers are wery gog chalenge!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"commen... | 1,760,373,994.739888 | ||
https://hackaday.com/2019/03/24/a-ruined-saw-blade-becomes-a-bowl/ | A Ruined Saw Blade Becomes A Bowl | Jenny List | [
"hardware"
] | [
"blackmith",
"blacksmithing",
"forge work",
"saw blade"
] | Every workshop generates waste, whether it be wood shavings, scrap metal, or fabric scraps, and sometimes that waste seems too good to throw away. [Igor Nikolic]’s hackerspace had a ruined circular saw blade in the trash, and rather than let it go to waste he took it to the forge and
fashioned a bowl from it
. Then bec... | 19 | 6 | [
{
"comment_id": "6012662",
"author": "DougM",
"timestamp": "2019-03-24T14:57:10",
"content": "Saw blades do have really nice metal. Just yesterday I made a 2″ roundover router bit out of one (for routering foam)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,373,994.687313 | ||
https://hackaday.com/2019/03/24/grabbing-the-thread-spinlocks-vs-mutexes/ | Grabbing The Thread: Spinlocks Vs Mutexes | Bryan Cockfield | [
"Software Hacks"
] | [
"multitasking",
"mutex",
"operating system",
"spinlock",
"threading"
] | Getting into the weeds of operating systems is daunting work. Especially when the operating system involved is a fully featured modern PC operating system with millions of lines of code all working together to integrate hardware and software seamlessly. One such operating system “weed” is figuring out how to handle sim... | 31 | 11 | [
{
"comment_id": "6012233",
"author": "Gravis",
"timestamp": "2019-03-24T11:52:08",
"content": "Spinlocks should only be used if you know exactly what you are doing and you are optimizing for speed. In general, it’s much better to use mutexes and there are very few cases where you should use spinloc... | 1,760,373,994.955673 | ||
https://hackaday.com/2019/03/24/air-breathing-rocket-engine-promises-future-space-planes/ | Air-Breathing Rocket Engine Promises Future Space Planes | Al Williams | [
"News"
] | [
"concorde",
"jet",
"rocket",
"sabre",
"SST",
"suborbital",
"supersonic"
] | If you are a certain age, you probably remember the promise of supersonic transports. The Concorde took less than 4 hours to go across the Atlantic, but it stopped flying in 2003 and ended commercial supersonic passenger flights But back in the 1970s, we thought the Concorde would give way not to older technology, but... | 112 | 19 | [
{
"comment_id": "6011827",
"author": "tomás zerolo",
"timestamp": "2019-03-24T08:56:54",
"content": "“Novel new engine”.Al, I don’t play grammar nazi very often, but this one causes so much disruption in my intake precooler that I just stumble through the rest of the article :)",
"parent_id": nu... | 1,760,373,995.333582 | ||
https://hackaday.com/2019/03/23/reverse-engineering-a-telephonic-relay-device/ | Reverse Engineering A Telephonic Relay Device | Lewin Day | [
"Phone Hacks"
] | [
"plain old telephone system",
"pots",
"relay",
"telephone"
] | The Plain Old Telephone Service, or POTS, doesn’t get a lot of love from the average person anymore. Perhaps once in a while a payphone will be of use when a phone battery has died, but by and large many people simply don’t have hardwired phones anymore. However, that doesn’t mean that the old landline can’t be put to ... | 20 | 10 | [
{
"comment_id": "6011515",
"author": "John Jorsett",
"timestamp": "2019-03-24T06:17:32",
"content": "I haven’t even seen a pay phone in years. They’ve gone the way of the Dodo.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6012680",
"author": "Doc O... | 1,760,373,995.015615 | ||
https://hackaday.com/2019/03/23/get-moving-with-new-software-from-openbuilds/ | Get Moving With New Software From OpenBuilds | Tom Nardi | [
"cnc hacks",
"Software Hacks"
] | [
"BlackBox",
"cnc",
"grbl",
"LaserWeb",
"openbuilds"
] | If you’re reading Hackaday, you’ve probably heard of OpenBuilds. Even if the name doesn’t sound familiar, you’ve
absolutely
seen something on these pages that was built with their components. Not only is OpenBuilds a fantastic place to get steppers, linear rails, lead screws, pulleys, wheels, and whatever else you need... | 16 | 8 | [
{
"comment_id": "6010968",
"author": "OpenWonks",
"timestamp": "2019-03-24T02:42:50",
"content": "Or use the regular ChiliPeppr …;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6013828",
"author": "Harvie.CZ",
"timestamp": "2019-03-25T00:4... | 1,760,373,995.118555 | ||
https://hackaday.com/2019/03/23/make-your-commodore-16-64k-but-not-a-commodore-64/ | Make Your Commodore 16 64k, But Not A Commodore 64 | Jenny List | [
"classic hacks",
"Retrocomputing"
] | [
"64k",
"commodore",
"Commodore 16",
"ram upgrade"
] | The Commodore 16 was a budget home computer from the mid 1980s, the entry-level model in a wider range of machines. As its name suggests it only has 16k of memory in keeping with its budget status, and while it has the rest of the hardware necessary to run software intended for its 64k stablemates, that 16k is impossib... | 25 | 10 | [
{
"comment_id": "6010587",
"author": "Gregg Eshelman",
"timestamp": "2019-03-23T23:52:40",
"content": "What else is different between the 16 and 64?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6010656",
"author": "cgizmo",
"timestamp": "20... | 1,760,373,994.887455 | ||
https://hackaday.com/2019/03/23/game-boy-recreated-in-verilog/ | Game Boy Recreated In Verilog | Lewin Day | [
"FPGA"
] | [
"fpga",
"game boy",
"Spartan",
"spartan fpga",
"spartan-6",
"verilog"
] | With the wide availability of Raspberry Pi hardware and pre-baked Linux distros with emulators ready to go, making a retro handheld is easier than ever. Emulation isn’t the only way to go about playing old games however. [Wenting Zhang] decided to instead recreate the Nintendo Game Boy in Verilog,
and has documented th... | 8 | 4 | [
{
"comment_id": "6010280",
"author": "ehjrf",
"timestamp": "2019-03-23T21:37:27",
"content": "is possible run program on fpga on normal DDR ram?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6010722",
"author": "Wade.",
"timestamp": "2019-03... | 1,760,373,995.059912 | ||
https://hackaday.com/2019/03/23/show-your-skills-with-a-bootable-cv/ | Show Your Skills With A Bootable CV | Jenny List | [
"Software Development",
"Software Hacks"
] | [
"bootable",
"bootloader",
"pdf",
"software",
"x86"
] | It’s a thankless task, searching for a job. You send off your CV, or resume, and it joins a thousand other destined for the round file. What on earth can you do to make your career stand out, and catch the eye of the recruiter?
Your bootable CV isn’t eye-catching if the recruiter uses GitHub to view the PDF.
If you are... | 10 | 5 | [
{
"comment_id": "6009889",
"author": "Phil Ashby",
"timestamp": "2019-03-23T18:06:19",
"content": "Nice, and a trick you have covered before here on HaD in the masterful form of PoC||GTFO:https://hackaday.com/2017/08/14/bibles-you-should-read-poc-gtfo/, where most all the digital versions are polygl... | 1,760,373,995.194079 | ||
https://hackaday.com/2019/03/23/imitating-art-in-life-with-a-reverse-engineered-tattoo/ | Imitating Art In Life With A Reverse-Engineered Tattoo | Dan Maloney | [
"Misc Hacks"
] | [
"attiny85",
"morse",
"pcb",
"prime numbers",
"reverse engineering",
"smd",
"tattoo"
] | In general, tattoo artists are not electrical engineers. That’s fine; the world needs both professions. But when you need a circuit designed, you’re better off turning to an EE rather than a tattoo artist. And you certainly don’t want an EE doing your new ink. Disaster lies that way.
Surprisingly, [Missa]’s tattoo of a... | 6 | 4 | [
{
"comment_id": "6009930",
"author": "0xfred",
"timestamp": "2019-03-23T18:30:09",
"content": "I’m not a fan of the tattoo, but you did an incredible job making it real. Is have probably been tempted to go with a SOIC8 device – if there is an appropriate microcontroller in that package – but it look... | 1,760,373,995.374353 | ||
https://hackaday.com/2019/03/23/tucoplexing-a-new-charliplex-for-buttons-and-switches/ | Tucoplexing: A New Charliplex For Buttons And Switches | Kerry Scharfglass | [
"handhelds hacks",
"Microcontrollers"
] | [
"charlieplexing",
"KiCAD",
"reverse engineering",
"stream"
] | Figuring out the maximum number of peripherals which can be sensed or controlled with a minimum number of IOs is a classic optimization trap with a
lot
of viable solutions. The easiest might be something like an i2c IO expander, which would give you N outputs for 4 wires (SDA, SCL, Power, Ground). IO expanders are easy... | 28 | 12 | [
{
"comment_id": "6009263",
"author": "Sancho",
"timestamp": "2019-03-23T11:08:53",
"content": "I know it’s going to be considered lame by hackaday standards, but I would still go using MCP23008. 2 lines for i2c, I can even throw-in a 3rd for interrupt…",
"parent_id": null,
"depth": 1,
"r... | 1,760,373,995.630276 | ||
https://hackaday.com/2019/03/23/maybe-you-really-can-sense-magnetic-fields/ | Maybe You Really Can Sense Magnetic Fields | Al Williams | [
"Science"
] | [
"implant",
"magnet",
"magnetoception"
] | We’ve known for years that many animals can somehow sense magnetic fields. Birds apparently use the Earth’s magnetic field to navigate. Dogs can find a box containing a magnet better than they can find a similar box with a food treat in it. But humans, apparently, can’t visualize magnetic fields without help. Several s... | 42 | 16 | [
{
"comment_id": "6009126",
"author": "djsmiley2k",
"timestamp": "2019-03-23T09:24:00",
"content": "Not sure exactly how they work, but for a long time in my childhood, I could ‘sense’ the field around the security scanners in shop doorways. Also I’d sometimes sense electric fields around bundles of ... | 1,760,373,995.562856 | ||
https://hackaday.com/2019/03/22/raspberry-pi-tracks-humans-blasts-them-with-heat-rays/ | Raspberry Pi Tracks Humans, Blasts Them With Heat Rays | Dan Maloney | [
"Raspberry Pi"
] | [
"heater",
"Pi Cam",
"raspberry pi",
"stepper",
"tracking"
] | Given how long humans have been warming themselves up, you’d think we would have worked out all the kinks by now. But even with central heating, and indeed sometimes because of it, some places we frequent just aren’t that cozy. In such cases, it often pays to heat the person, not the room, but that can be awkward, to s... | 23 | 9 | [
{
"comment_id": "6008761",
"author": "jafinch78",
"timestamp": "2019-03-23T05:18:52",
"content": "Awesome! Now add a similar for bugs and critters that uses a laser and can identify humans and pets and not fry them. I had commented on EEVblog I think… I forget… noting to use a distance finder so t... | 1,760,373,995.920309 | ||
https://hackaday.com/2019/03/22/create-green-soldermasked-pcbs-with-fritzing/ | Create Green, Soldermasked PCBs With Fritzing | Brian Benchoff | [
"Tool Hacks"
] | [
"pcb",
"soldermask",
"UV soldermask"
] | Even though you can easily order a PCB from any one of a dozen board houses and have it on your desk in a few weeks, there’s still a need for home-made circuit boards. If it’s because you have very special or strange requirements, you want to save money, or you need to suffer for your art, you can make printed circuit ... | 12 | 5 | [
{
"comment_id": "6008501",
"author": "danjovic",
"timestamp": "2019-03-23T03:07:23",
"content": "The original article is cool and well documented but I was this close of not reading it because of “fritzing” in the title, lol!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,995.759398 | ||
https://hackaday.com/2019/03/22/auotmated-cat-feeder-handles-wet-food-with-aplomb/ | Automated Cat Feeder Handles Wet Food With Aplomb | Lewin Day | [
"classic hacks"
] | [
"automation",
"cat",
"cat feeder"
] | A feline’s appetite is rarely sated, and cat owners around the world are routinely treated to an early morning wake up call to remind them of this fact. To solve this problem, many turn to automated feeders. However, such devices usually handle only dry foods, with a simple hopper system. [Vikram Hao] instead went abov... | 17 | 13 | [
{
"comment_id": "6008038",
"author": "CMH62",
"timestamp": "2019-03-23T00:05:14",
"content": "Now if Vikram could post a cat video of his feline friend programming the device to dispense more often, he’d have an Internet viral video hit. Wonder if his cat would prefer to program in “Scratch”?",
... | 1,760,373,995.862057 | ||
https://hackaday.com/2019/03/22/kid-rover-is-six-wheels-of-awesome/ | Kid Rover Is Six Wheels Of Awesome | Lewin Day | [
"Robots Hacks"
] | [
"kid rover",
"rocker-bogie",
"rover"
] | There are plenty of ways to go about learning to TIG weld. Most involve a series of practice parts making butt joints and welding together various sections of pipe. [Kris Temmerman] decided to go a little bit farther, however.
The result is a kid rover that’s sure to be the envy of every neighbourhood child for a few z... | 15 | 9 | [
{
"comment_id": "6007504",
"author": "chaosbc",
"timestamp": "2019-03-22T20:25:01",
"content": "This is so amazing ! Please adopt me :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6007802",
"author": "Hirudinea",
"timestamp": "2019-03-22T... | 1,760,373,995.809948 | ||
https://hackaday.com/2019/03/22/hacker-abroad-visiting-espressif-and-surprising-subway-ads/ | Hacker Abroad: Visiting Espressif And Surprising Subway Ads | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"Chip7",
"ESP32",
"ESP8266",
"espressif",
"Hacker Abroad",
"persistence of vision",
"shanghai",
"subway"
] | Thursday was my final day in Shanghai. After spending all of Wednesday at Electronica Asia, I headed over to the Espressif Headquarters which is just one subway stop away. This is of course the company behind the well-known ESP8266 and its younger sibling, the ESP32. My host was Ivan Grotkothov, Director of Software Pl... | 17 | 9 | [
{
"comment_id": "6007271",
"author": "Jii",
"timestamp": "2019-03-22T18:58:38",
"content": "New stuff, nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6007277",
"author": "Danjovic",
"timestamp": "2019-03-22T19:00:26",
"content": "Portuguese s... | 1,760,373,995.97737 | ||
https://hackaday.com/2019/03/22/retrotechtacular-nellie-the-school-computer/ | Retrotechtacular: Nellie The School Computer | Jenny List | [
"classic hacks",
"Retrotechtacular"
] | [
"elliott",
"elliott 405",
"mainframe",
"school computer"
] | When did computers arrive in schools? That should be an easy question to answer, probably in the years around 1980. Maybe your school had the Commodore Pet, the Apple II, or if you are British, the Acorn BBC Micro in that period, all 8-bit microcomputers running a BASIC interpreter. That’s certainly the case for the ma... | 42 | 25 | [
{
"comment_id": "6007009",
"author": "Phil",
"timestamp": "2019-03-22T17:07:07",
"content": "There’s also the Centre for Computing History in Cambridge, whose 1960’s Elliott 903 is regularly demonstrated to visiting school groups (and occasionally to the public):http://www.computinghistory.org.uk/de... | 1,760,373,996.060724 | ||
https://hackaday.com/2019/03/22/hackaday-podcast-011-weird-keyboards-salvaging-lcd-screens-and-mike-interviews-ivan-of-espressif-in-shanghai/ | Hackaday Podcast 011: Weird Keyboards, Salvaging LCD Screens, And Mike Interviews Ivan Of Espressif In Shanghai | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | With our intrepid Editor in Chief Mike Szczys off being kind of a big deal in China, Managing Editor Elliot Williams is joined by Staff Writer Tom Nardi to talk about all the hacks that were fit to print over the past week. Join us as we talk about the wide world of custom mechanical keyboards, reviving a woefully anti... | 0 | 0 | [] | 1,760,373,996.10071 | ||
https://hackaday.com/2019/03/22/robot-telephone-operator-handles-social-media-for-you/ | Robot Telephone Operator Handles Social Media For You | Lewin Day | [
"Robots Hacks"
] | [
"automation",
"craigslist",
"facebook",
"instagram",
"robot",
"Social Media"
] | Social media has become pervasive in modern life. It can be impossible to get so much as an invite to a party without offering up your personal data at the altar of the various tech companies. [David] wanted to avoid the pressures of seeing countless photos of people climbing mountains and eating tacos, but also didn’t... | 9 | 6 | [
{
"comment_id": "6006722",
"author": "Ostracus",
"timestamp": "2019-03-22T15:46:10",
"content": "” It can be impossible to get so much as an invite to a party without offering up your personal data at the altar of the various tech companies.”SMS. Different altar though.",
"parent_id": null,
... | 1,760,373,996.146078 | ||
https://hackaday.com/2019/03/22/faster-computers-lead-to-slower-experiences/ | Faster Computers Lead To Slower Experiences? | Kerry Scharfglass | [
"computer hacks",
"hardware"
] | [
"Apple 2",
"ipad",
"iphone",
"latency",
"user experience",
"vintage computer"
] | Ever get that funny feeling that things aren’t quite what they used to be? Not in the way that a new washing machine has more plastic parts than one 40 years its senior. More like “my laptop can churn through hundreds of gigaflops, but when I scroll it doesn’t feel great.” That perception of smoothness might be based o... | 110 | 33 | [
{
"comment_id": "6006260",
"author": "David Maunder",
"timestamp": "2019-03-22T11:35:59",
"content": "…and/or the possibility of sloppy optimisation of development code over time. Layer upon layer of bloatware bloated rubbish.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,996.480804 | ||
https://hackaday.com/2019/03/22/the-multichannel-field-recorder-you-can-build-right-now/ | The Multichannel Field Recorder You Can Build Right Now | Brian Benchoff | [
"Misc Hacks",
"Musical Hacks"
] | [
"audio recorder",
"dac",
"dsp",
"field recorder"
] | Field recorders, or backpackable audio recorders with a few XLR jacks and an SD card slot, are a niche device, and no matter what commercial field recorder you choose you’ll always compromise on what features you want versus what features you’ll get. [Ben Biles] didn’t feel like compromising
so he built his own multich... | 8 | 4 | [
{
"comment_id": "6005914",
"author": "yetihehe",
"timestamp": "2019-03-22T08:50:17",
"content": "When the easiest way to connect inside enclosure is BT, you know that phones are not meant to cooperate. But THAT is the definition of a hack. Props to [Ben] for making everything work! I would probably ... | 1,760,373,996.187653 | ||
https://hackaday.com/2019/03/21/a-steady-hand-makes-this-chip-work-again/ | A Steady Hand Makes This Chip Work Again | Brian Benchoff | [
"Repair Hacks"
] | [
"ic",
"integrated circuit",
"leadframe",
"nes",
"snes",
"super nintendo"
] | What do you do when you’re working with some vintage ICs and one of the tiny legs pops off? That’s what happened to [Kotomi] when working with an old Super Nintendo. A single lead for the sound chip just snapped off,
leaving [Kotomi] one pin short of a working system
(the
Google Translatrix
). This is something that ca... | 29 | 13 | [
{
"comment_id": "6005487",
"author": "Severe Tire Damage",
"timestamp": "2019-03-22T05:04:33",
"content": "I guess I’m getting old when a surface mount chip like that gets called a “vintage IC”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6005529",
... | 1,760,373,996.54534 | ||
https://hackaday.com/2019/03/21/make-your-own-quantum-dots/ | Make Your Own Quantum Dots | Al Williams | [
"Science"
] | [
"quantum dots"
] | Quantum dots certainly sound as if they should be something cool, but carry the hazardous baggage of being sometimes made from cadmium which can be dangerous. What are they? In essence, they are nanometer-scale particles, so small that when high energy light hits them, the photons will be absorbed and re-emitted at a l... | 17 | 9 | [
{
"comment_id": "6004916",
"author": "cchamilt",
"timestamp": "2019-03-22T02:28:42",
"content": "Sorry, for some reason I can only think about homeopathic quantum dots now.I have a friend that uses these for his bio test on paper systems. They are pretty awesome and there is a market just for makin... | 1,760,373,996.646149 | ||
https://hackaday.com/2019/03/21/volkswagen-tools-turned-to-the-space-age/ | Volkswagen Tools Turned To The Space Age | Brian Benchoff | [
"3d Printer hacks"
] | [
"openscad",
"tool",
"vw"
] | The Volkswagen Beetle, and yes the bus and the sexiest car ever made, are cars meant for the people. You can pull the engine out with a strong friend, and you can fix anything in an old Volkswagen. VW realized this, because in the 1950s and ’60s, they came up with plans for tools designed to tear apart an old VW, and t... | 36 | 15 | [
{
"comment_id": "6003321",
"author": "John blackthorn",
"timestamp": "2019-03-21T23:13:57",
"content": "This must be a German thing, Mercedes workshop manuals for trucks and unimogs have sections on how to make certain gadgets, admittedly it tends to be things to hold a gearbox while you smack the l... | 1,760,373,996.872185 | ||
https://hackaday.com/2019/03/21/old-wireless-switches-join-the-internet-of-things/ | Old Wireless Switches Join The Internet Of Things | Lewin Day | [
"home hacks"
] | [
"ESP8266",
"sonoff",
"tasmota"
] | Just about any appliance comes in an internet enabled version nowadays. However, even the oldest gear can be switched on and off with an Internet connected power socket. [Bill] is in the process of automating his home, and found some old radio controlled power sockets that badly needed to join the 21st Century.
Hacking... | 14 | 3 | [
{
"comment_id": "6002835",
"author": "wibble",
"timestamp": "2019-03-21T20:19:22",
"content": "He mentions hacking X10 units — the UK socket versions have oodles of space, and I have a module cracked open on my workbench. There’s nothing significant that’s reusable, apart from the relay and plug/soc... | 1,760,373,996.593471 | ||
https://hackaday.com/2019/03/21/hacker-abroad-massive-conference-brings-big-news-of-hackaday-prize-china/ | Hacker Abroad: Massive Conference Brings Big News Of Hackaday Prize China | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"2019 Hackaday Prize",
"automation",
"Bom2buy",
"digi-key",
"electronica",
"Electronica China",
"Hackaday Prize China",
"Hacker Abroad",
"manufacturing",
"robots",
"shanghai",
"supplyframe"
] | My first full day in China was spent at
Electronica
, an absolutely massive conference showcasing companies involved in electronics manufacturing and distribution. It’s difficult to comprehend how large this event is, filling multiple halls at the New International Expo Center in Shanghai.
I’ve seen the equipment used ... | 15 | 4 | [
{
"comment_id": "6002539",
"author": "egzola",
"timestamp": "2019-03-21T18:38:17",
"content": "One day I will establish my office in China.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6002580",
"author": "Comedicles",
"timestamp": "2019-03... | 1,760,373,996.709655 | ||
https://hackaday.com/2019/03/21/first-wopr-summit-finds-the-winning-move/ | First WOPR Summit Finds The Winning Move | Tom Nardi | [
"cons",
"Hackaday Columns"
] | [
"Atlantic City",
"cons",
"East Coast",
"New Jersey",
"WOPR",
"WOPR Summit"
] | At the climax of 1983’s
“WarGames”
, the War Operation Plan Response (WOPR) computer famously opines “The only winning move is not to play” when presented with a barrage of no-win scenarios depicting global thermonuclear war. While the stakes aren’t
quite
as high when it comes to putting on a brand new hacker conventio... | 4 | 3 | [
{
"comment_id": "6002302",
"author": "melf",
"timestamp": "2019-03-21T17:18:37",
"content": "Right, so how about a hackerspace in atlantic county? There’s several colleges nearby–Rowan is an engineering school–and the FAA technical center. The closest hackerspaces are in Philly and North Jersey.",... | 1,760,373,996.961582 | ||
https://hackaday.com/2019/03/21/3d-printing-a-combination-lock/ | 3D Printing A Combination Lock | Lewin Day | [
"3d Printer hacks"
] | [
"combination lock",
"lock",
"locksmith",
"locksport"
] | Combination locks! They’re great if you’re skilled at remembering arbitrary strings of numbers, and have a dramatic flair that’s made them a famous part of many a heist movie. They come in a wide variety of styles, and are vulnerable to a different set of attacks than the more typical pin-tumbler locks used on a househ... | 2 | 2 | [
{
"comment_id": "6002250",
"author": "",
"timestamp": "2019-03-21T16:57:58",
"content": "https://www.youtube.com/watch?v=CZ8WRDVgKrkInteresting how that video was 11 years ago. Instead of wood, we now use plastic!One could 3D print a titanium alloy lock that might be a bit stronger. And probably al... | 1,760,373,996.908359 | ||
https://hackaday.com/2019/03/20/hacker-abroad-a-very-long-way-to-china/ | Hacker Abroad: A Very Long Way To China | Mike Szczys | [
"Hackaday Columns",
"Interest"
] | [
"Hacker Abroad"
] | It turns out that Shanghai is a very long way from my home in Wisconsin. I’ve traveled here for Electronica China, and although it made for an incredibly long travel “day”, it turned out to be quite enjoyable. I hacked some hardware on the plane ride, I took a maglev to my hotel, met up with Sophi for drinks, and explo... | 30 | 11 | [
{
"comment_id": "5998820",
"author": "Tom Nardi",
"timestamp": "2019-03-20T19:13:06",
"content": "Without the context of being in the bathroom, I’m not sure I would have had the courage to press either of those switches. Remind me of the suicide booths from Futurama.How much did that street food cos... | 1,760,373,997.036847 | ||
https://hackaday.com/2019/03/20/introducing-the-shitty-add-on-v1-69bis-standard/ | Introducing The Shitty Add-On V1.69bis Standard | Brian Benchoff | [
"Hackaday Columns",
"Misc Hacks"
] | [
"badgelife",
"sao",
"Simple Add-On",
"standards"
] | The last few years have seen a rise of artistic PCBs. Whether these are one-off projects with a little graphic on the silkscreen or the art of manufacturing and supply chains, these fancy PCBs are here to stay. Nowhere is this more apparent than the loose confederation of Badgelife enthusiasts, a hardware collective de... | 45 | 16 | [
{
"comment_id": "5998268",
"author": "Nova",
"timestamp": "2019-03-20T17:36:33",
"content": "Yo dawg, I herd u liek badges….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5999467",
"author": "reg",
"timestamp": "2019-03-20T22:43:12",
... | 1,760,373,997.136847 | ||
https://hackaday.com/2019/03/20/worlds-oldest-computer-festival-is-this-weekend/ | World’s Oldest Computer Festival Is This Weekend | Tom Nardi | [
"cons",
"News",
"Retrocomputing"
] | [
"East Coast",
"flea market",
"TCF",
"toool",
"Trenton Computer Festival",
"vintage computing"
] | There was a time when owning a home computer was kind of a big deal. In the days before the popularization of the Internet, so-called “computer shows” were the best way to meet with others to swap advice, information, and hardware. Of course today, things are very different. The kind of people who are building their co... | 10 | 7 | [
{
"comment_id": "5998875",
"author": "Bobby",
"timestamp": "2019-03-20T19:31:42",
"content": "Do these get put on youtube in a few weeks time?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5999077",
"author": "Tom Nardi",
"timestamp": "2019-... | 1,760,373,997.192035 | ||
https://hackaday.com/2019/03/20/a-usb-muxer-for-all-your-programming-needs/ | A USB MUXer, For All Your Programming Needs | Brian Benchoff | [
"Crowd Funding"
] | [
"kickstarter",
"mux",
"Muxer",
"usb"
] | What if there were something like a KVM switch for your micro programmer, logic analyzer, and other various tools? There was a time when KVM switches (keyboard, video, and mouse, by the way) were metal enclosures surrounding an absurdly complicated rotary switch. This fact has a few applications if you ever want to swi... | 18 | 5 | [
{
"comment_id": "5997815",
"author": "russdill",
"timestamp": "2019-03-20T15:39:32",
"content": "My working theory up till now has just been to buy more 10 port usb hubs. This has proved effective in practice.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5... | 1,760,373,997.242784 | ||
https://hackaday.com/2019/03/20/the-joy-of-properly-designed-embedded-systems/ | The Joy Of Properly Designed Embedded Systems | Maya Posch | [
"Featured",
"hardware",
"home hacks",
"Skills",
"Slider"
] | [
"bmac",
"development",
"embedded",
"IoT"
] | The ages-old dream of home automation has never been nearer to reality. Creating an Internet of Things device or even a building-wide collection of networked embedded devices is “easy” thanks to cheap building blocks like the ESP8266 WiFi-enabled microcontroller. Yet for any sizable project, it really helps to have a p... | 32 | 14 | [
{
"comment_id": "5997647",
"author": "Craig Hollabaugh",
"timestamp": "2019-03-20T14:09:10",
"content": "Good article, congrats on the project and its success. Did you source that white plastic enclosure?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5997... | 1,760,373,997.439894 | ||
https://hackaday.com/2019/03/20/new-part-day-pyboard-d-is-smaller-wireless-and-has-expansion-modules/ | New Part Day: Pyboard D Is Smaller, Wireless, And Has Expansion Modules | Roger Cheng | [
"Microcontrollers"
] | [
"micro python",
"micropython",
"pyboard",
"python"
] | Historically, microcontrollers’ limited computing power and storage space meant software had to be written in low-level languages out of necessity. In recent years small affordable chips grew powerful enough that they could theoretically run higher level languages, sparking numerous efforts to turn that theory into rea... | 16 | 5 | [
{
"comment_id": "5997154",
"author": "CRImier",
"timestamp": "2019-03-20T11:25:09",
"content": "Seen these at FOSDEM, haven’t tried them yet… I use MicroPython a lot, and I’m just not feeling this, for whatever reason. Maybe it’s the fact it’s so similar to Gumstix offerings and that’s what ticks me... | 1,760,373,997.499618 | ||
https://hackaday.com/2019/03/20/cortex-m0-becomes-platform-game-platform/ | Cortex M0 Becomes Platform-Game Platform | Lewin Day | [
"Games",
"Microcontrollers"
] | [] | The Arduino Uno is an incredibly popular microcontroller platform. By virtue of being simple to understand, and having just enough processing power to be dangerous, it’s won fans the world over. In recent times, there have been efforts to replace it with something more powerful. The Arduino Zero is just one such device... | 8 | 3 | [
{
"comment_id": "5996581",
"author": "Aurélien",
"timestamp": "2019-03-20T08:48:12",
"content": "Hehe reminds me of what I did for the Gamebuino Meta, based on the same setup : 160 x 128 pixels with the SAMD21 from the Arduino ZeroUsing DMA and overclocking the SPI bus just under the the point where... | 1,760,373,997.363905 | ||
https://hackaday.com/2019/03/19/a-raspberry-pi-terminal-fit-for-fallout-76/ | A Raspberry Pi Terminal Fit For Fallout 76 | Brian Benchoff | [
"Raspberry Pi"
] | [
"3d printed",
"raspberry pi",
"retro",
"terminal"
] | The Fallout series of video games provide a wonderful alternative history that answers the question of what might have happened had the microchip never been invented. Yes, most things run on tubes, and apparently you can implement an AI that passes a Turing test in tubes (does the Turing test apply if you’re comparing ... | 26 | 11 | [
{
"comment_id": "5996188",
"author": "sudos",
"timestamp": "2019-03-20T06:54:01",
"content": "….but nobody likes fallout 76.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5997072",
"author": "bunedoggle",
"timestamp": "2019-03-20T11:01:45",
... | 1,760,373,997.651646 | ||
https://hackaday.com/2019/03/19/whirling-sawblades-turn-foam-packaging-into-wall-insulation/ | Whirling Sawblades Turn Foam Packaging Into Wall Insulation | Dan Maloney | [
"green hacks",
"home hacks"
] | [
"arbor",
"blades",
"blower",
"cordless",
"EPS expanded polstyrene",
"foam",
"insulation R-value",
"packing peanuts"
] | If you’re like us, the expanded polystyrene (EPS) foam inserts that protect many packages these days are a source of mixed feeling. On the one hand, we’re glad that stuff arrives intact thanks to the molded foam inserts. But it seems so wasteful, especially when chucking it in the garbage can. If only it could be effec... | 60 | 23 | [
{
"comment_id": "5995598",
"author": "DArry",
"timestamp": "2019-03-20T02:15:36",
"content": "Is this stuff fire retardant ? If not what about safety regulations ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5997257",
"author": "Blamoo",
"... | 1,760,373,997.593042 | ||
https://hackaday.com/2019/03/19/an-improved-bed-and-custom-wasteboard-for-a-cnc-router/ | An Improved Bed And Custom Wasteboard For A CNC Router | Donald Papp | [
"cnc hacks"
] | [
"cnc",
"CNC router",
"mdf",
"Misumi",
"waste board",
"wasteboard"
] | [Adam Haile] has been spending some time improving his CNC router and his latest change is
a custom wasteboard with improved bed support
. Not only does the MDF wasteboard have plenty of threaded inserts to make for easy clamping solutions, but [Adam] replaced the frame underneath the board with a new set of aluminum e... | 4 | 2 | [
{
"comment_id": "5998200",
"author": "Rob",
"timestamp": "2019-03-20T17:22:20",
"content": "More machines should have googly eyes installed.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6001820",
"author": "RoboMonkey",
"timestamp": "2019-03-21T14:01... | 1,760,373,999.372133 | ||
https://hackaday.com/2019/03/19/a-classy-usb-knob-for-the-discerning-computerist/ | A Classy USB Knob For The Discerning Computerist | Tom Nardi | [
"Peripherals Hacks"
] | [
"diffuser",
"E11",
"epoxy",
"input device",
"neopixel ring",
"rotary encoder",
"trinket m0",
"usb"
] | The keyboard and mouse are great, we’re big fans. But for some tasks, such as seeking around in audio and video files, a rotary encoder is a more intuitive way to get the job done. [VincentMakes] liked the idea of having a knob he could turn to adjust his system volume or move forward and backwards through a stream in ... | 19 | 4 | [
{
"comment_id": "5994984",
"author": "Gregg",
"timestamp": "2019-03-19T20:06:51",
"content": "If this was to be available for sale, I‘d buy one. Beautiful.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5995272",
"author": "Dave",
"timestam... | 1,760,374,000.066926 | ||
https://hackaday.com/2019/03/19/diy-six-channel-arduino-rc-transmitter/ | DIY Six Channel Arduino RC Transmitter | Tom Nardi | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"arduino nano",
"Joystick",
"NRF24",
"oled",
"RC transmitter"
] | It’s wasn’t so long ago that RC transmitters, at least ones worth owning, were expensive pieces of gear. Even more recently than that, the idea of an RC transmitter running an open source firmware would have been considered a pipe dream. Yet today buying cheap imported transmitters and flashing a community developed fi... | 11 | 11 | [
{
"comment_id": "5995219",
"author": "Xeon",
"timestamp": "2019-03-19T22:33:05",
"content": "Awww…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5995222",
"author": "Xeon",
"timestamp": "2019-03-19T22:34:08",
"content": "Awwww..you beat me to it.W... | 1,760,373,999.426429 | ||
https://hackaday.com/2019/03/19/ask-hackaday-how-do-you-draw-schematics/ | Ask Hackaday: How Do You Draw Schematics? | Ted Yapo | [
"Ask Hackaday",
"Slider"
] | [
"cad",
"schematic",
"Schematic Capture"
] | The lingua franca of electronic design is the schematic. I can pick up a datasheet written in Chinese (a language I do not read or speak) and usually get a half-decent idea of what the part is all about from the drawings. Unfortunately, even as my design experience has grown over the years, I haven’t quite learned to t... | 136 | 48 | [
{
"comment_id": "5994641",
"author": "michmich",
"timestamp": "2019-03-19T17:08:58",
"content": "Straight to KiCad. Especially since 5.0/5.1, it’s a breeze.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5994661",
"author": "calcium3000",
"ti... | 1,760,374,000.004305 | ||
https://hackaday.com/2019/03/19/this-weekend-vintage-computer-festival-pacific-northwest/ | This Weekend: Vintage Computer Festival Pacific Northwest | Mike Szczys | [
"cons"
] | [
"Joe Decuir",
"seattle",
"VCF",
"VCF Pacific Northwest",
"Vintage Computer Festival"
] | The most iconic parts of computer history come alive next weekend in Seattle during the
Vintage Computer Festival Pacific Northwest
. It’s all happening March 23rd and 24th at the Living Computers Museum+Labs.
VCF celebrates the great hardware that has sprung up during the technological march of the last fifty years. T... | 3 | 1 | [
{
"comment_id": "5995411",
"author": "Edward",
"timestamp": "2019-03-20T00:31:57",
"content": "VCF Pacific Northwest is out of range for me, but do VCFs have working 9-track tape drives which are available to read 9-trac tapes and dump the contents to a USB drive or some other device?",
"parent_... | 1,760,373,999.634881 | ||
https://hackaday.com/2019/03/21/what-to-do-when-the-botnet-comes-knocking/ | What To Do When The Botnet Comes Knocking | Jonathan Bennett | [
"Original Art",
"Security Hacks",
"Skills"
] | [
"apache",
"botnet",
"Joomla",
"security"
] | “It was a cold and windy night, but the breeze of ill omen blowing across the ‘net was colder. The regular trickle of login attempts suddenly became a torrent of IP addresses, all trying to break into the back-end of the Joomla site I host. I poured another cup of joe, it was gonna be a long night.”
Tech noir aside, th... | 34 | 13 | [
{
"comment_id": "6001877",
"author": "drenehtsral",
"timestamp": "2019-03-21T14:24:39",
"content": "Once, long ago, working a sysadmin gig I noticed that one large network (turned out to be a college in mainland China somewhere) and they had messed up entering their whois information such that they’... | 1,760,373,999.76919 | ||
https://hackaday.com/2019/03/21/let-your-pi-make-a-pie-chart-for-your-pie/ | Let Your Pi Make A Pie Chart For Your Pie | Tom Nardi | [
"Raspberry Pi"
] | [
"data visualization",
"load cell",
"Pi day",
"python",
"scale",
"weight"
] | March 14th is “Pi Day”, for reasons which should be obvious to our more mathematically inclined readers. As you are not reading this post on March 14th, that must mean we’re either fashionably late to Pi Day 2019, or exceptionally early for Pi Day 2020. But in either event, we’ve got a hack for you that celebrates the ... | 16 | 7 | [
{
"comment_id": "6001562",
"author": "Kuro",
"timestamp": "2019-03-21T12:06:18",
"content": "Materials and instructions are the best part.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6001771",
"author": "Matt Cramer",
"timestamp": "2019-03... | 1,760,373,999.826575 | ||
https://hackaday.com/2019/03/21/library-makes-esp-over-the-air-updates-easy/ | Library Makes ESP Over The Air Updates Easy | Al Williams | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"arduino",
"ESP32",
"ESP8266",
"OTA",
"update",
"wifi"
] | Potentially, one of the great things about having a device connected to the network is that you can update it remotely. However, how do you make that happen? If you use the Arduino setup for the ESP8266 or ESP32, you might try [scottchiefbaker’s]
library
which promises to make the process easy.
Adding it looks to be si... | 19 | 10 | [
{
"comment_id": "6000934",
"author": "LordNothing",
"timestamp": "2019-03-21T08:18:36",
"content": "i think the biggest issue i had with ota is that it took up so much flash that it was unusable for most projects.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,373,999.32397 | ||
https://hackaday.com/2019/03/20/dancing-arrows-to-break-your-brain/ | Dancing Arrows To Break Your Brain | Brian Benchoff | [
"3d Printer hacks"
] | [
"3D printed optical illusion",
"illusion",
"optical illusion"
] | Last year, mathematician and professional optical illusionist [Kokichi Sugihara] came up with an arrow that only points one way. Technically, it’s ‘anomalous mirror symmetry’, but if you print this arrow and look at it juuuussst right, it appears this arrow only points one way.
[Ali] had the idea to
turn this arrow ill... | 8 | 4 | [
{
"comment_id": "6000858",
"author": "echodelta",
"timestamp": "2019-03-21T07:55:27",
"content": "Just what we need when dropped means added. Digital state becomes mud.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6001357",
"author": "rauch_schall",
... | 1,760,373,999.589269 | ||
https://hackaday.com/2019/03/20/maritime-analog-computer-from-1503-is-the-oldest-remaining/ | Maritime Analog Computer From 1503 Is The Oldest Remaining | Al Williams | [
"News"
] | [
"Archaeology",
"astrolabe",
"da Gama"
] | We might not think of analog computers as having existed in the 1500s, but in fact the astrolabe first appeared around 220 BC. However, as you might expect only a few very old ones still exist. Early astrolabes were often wooden and were difficult to use aboard ships, however brass astrolabes with special features were... | 19 | 8 | [
{
"comment_id": "6000144",
"author": "Bruce Perens K6BP",
"timestamp": "2019-03-21T02:45:38",
"content": "The Antikithera Mechanism is stil the most astonishing, IMO.https://en.wikipedia.org/wiki/Antikythera_mechanism",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,373,999.68757 | ||
https://hackaday.com/2019/03/20/an-fpga-drives-this-antique-lcd-screen/ | An FPGA Drives This Antique LCD Screen | Lewin Day | [
"FPGA"
] | [
"cstn",
"fpga",
"lcd",
"xilinx"
] | If you’re reading this article on a desktop or laptop computer, you’re probably staring at millions of pixels on a TFT LCD display. TFT became a dominant technology due to its picture quality and fast response times, but it’s not the only way to build an LCD. There are cheaper technologies, such as STN and its color va... | 7 | 3 | [
{
"comment_id": "5999562",
"author": "Gregg Eshelman",
"timestamp": "2019-03-20T23:19:00",
"content": "Used to be called “passive matrix” when the good displays were active matrix. These days the laptops all have an active matrix display so to have a low price point you can get a 1366×768 resolution... | 1,760,374,000.118878 | ||
https://hackaday.com/2019/03/20/an-esp8266-sundial-for-your-wall/ | An ESP8266 Sundial For Your Wall | Tom Nardi | [
"clock hacks",
"Microcontrollers"
] | [
"bulbdial",
"clock",
"ESP8266",
"RGB LED",
"shadow clock",
"ws2812b"
] | Hackers absolutely love building clocks. Seriously, there are few other devices for which we’ve seen such an incredible number of variations. But while the clocks that hackers build might blink out the time in binary, or write it out in words, they generally don’t feature hands. Apparently in 2019 it’s more reasonable ... | 9 | 3 | [
{
"comment_id": "5999447",
"author": "Paul",
"timestamp": "2019-03-20T22:34:13",
"content": "I am so going to build one of these, just to put a little gnome man in the middle to cast a shadow, just to see if anyone gets the joke..",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,000.165985 | ||
https://hackaday.com/2019/03/19/venabili-is-the-delightful-keyboard-you-cant-buy/ | Venabili Is The Delightful Keyboard You Can’t Buy | Al Williams | [
"ARM",
"computer hacks"
] | [
"bluepill",
"keyboard"
] | If you code or write a lot, you live or die with your keyboard. The
Venabili web site
calls Venabili “the delightful keyboard” which begs the question: what makes a keyboard delightful. The site continues:
“Venabili is a 40% mechanical, programmable, ergonomic and hackable computer keyboard.
Being a fully programmable ... | 31 | 9 | [
{
"comment_id": "5994468",
"author": "Andy Pugh",
"timestamp": "2019-03-19T15:57:57",
"content": "What does “40% mechanical” mean?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5994503",
"author": "Valerio",
"timestamp": "2019-03-19T16:08:20... | 1,760,374,000.371256 | ||
https://hackaday.com/2019/03/19/the-cd-is-40-the-cd-is-dead/ | The CD Is 40, The CD Is Dead | Jenny List | [
"digital audio hacks",
"Hackaday Columns",
"History",
"Slider"
] | [
"cd",
"Compact Disc",
"philips",
"sony"
] | The Compact Disc is 40 years old, and for those of us who remember its introduction it still has that sparkle of a high-tech item even as it slides into oblivion at the hands of streaming music services.
There was a time when a rainbow motif was extremely futuristic. Bill Bertram (
CC BY-SA 2.5
)
If we could define a m... | 127 | 44 | [
{
"comment_id": "5994185",
"author": "Miroslav",
"timestamp": "2019-03-19T14:09:57",
"content": "Streaming music = music on someone’s else’s computer. My CD = my music.mp3s on a CD, even better.While the format might be obsolete, it is better than giving ownership of something I bought to someone el... | 1,760,374,000.770258 | ||
https://hackaday.com/2019/03/19/retired-rideshare-scooter-skips-the-reverse-engineering-to-ride-again/ | Retired Rideshare Scooter Skips The Reverse Engineering To Ride Again | Donald Papp | [
"Teardown",
"Transportation Hacks"
] | [
"BLDC",
"brushless",
"electric scooter",
"esc",
"ev",
"scooter",
"vesc"
] | [Adam Zeloof] (legally) obtained a retired electric scooter and
documented how it worked and how he got it working again
. The scooter had a past life as a pay-to-ride electric vehicle and “$1 TO START” is still visible on the grip tape. It could be paid for and unlocked with a smartphone app, but [Adam] wasn’t interes... | 7 | 3 | [
{
"comment_id": "5995829",
"author": "TERRA Operative",
"timestamp": "2019-03-20T04:16:34",
"content": "I’m a little envious at how easy it is to get these in the states.Would be perfect to sling on my back in a bag so I can use it for each end of my train commute through Tokyo.",
"parent_id": n... | 1,760,374,000.417995 | ||
https://hackaday.com/2019/03/19/mining-bitcoin-on-the-esp32-for-fun-definitely-not-profit/ | Mining Bitcoin On The ESP32 For Fun, Definitely Not Profit | Lewin Day | [
"classic hacks"
] | [
"crypto",
"cryptocurrency",
"ESP32",
"sha",
"SHA256"
] | Bitcoin’s great, if you sold at the end of 2017. If you’re still holding, your opinion might be a little more sour. The cost to compete in the great hashing race continues to rise while cryptocurrency values remain underwhelming. While getting involved at the top end is prohibitively expensive, you can still have some ... | 7 | 3 | [
{
"comment_id": "5993986",
"author": "dr. Memals",
"timestamp": "2019-03-19T12:59:45",
"content": "So, if you had 31 billion ESP32s running this it would only take on average 1 year to mine one bitcoin unit.I wonder how much power 31 billion ESP32s running this code for a year would use.",
"pare... | 1,760,374,000.500036 | ||
https://hackaday.com/2019/03/18/fpga-nes-looks-sharp-on-perfboard/ | FPGA NES Looks Sharp On Perfboard | Lewin Day | [
"FPGA"
] | [
"fpga",
"nes",
"Nintendo Entertainment System"
] | FPGAs are wonderful things, packed with logic cells that can be reconfigured as your heart desires. They excel at signal processing, anything requiring speed, and recreating vintage hardware. In that vein,
[Jon Thomasson] decided to bring back the original Nintendo Entertainment System, in perfboard form.
The build use... | 4 | 3 | [
{
"comment_id": "5993502",
"author": "HenryH",
"timestamp": "2019-03-19T05:51:59",
"content": "Yes, after spending weeks with Arduino IDE and PlatformIO trying to compile code for ESP32 in reasonable time and pouring over Espressif docs and Youtube videos for rather simple operations, I’m beginning ... | 1,760,374,000.455347 | ||
https://hackaday.com/2019/03/18/youre-listening-to-quantum-radio/ | You’re Listening To Quantum Radio | Al Williams | [
"News",
"Science"
] | [
"delft",
"Josephson junction",
"photon",
"quantum electrodynamics",
"qubit"
] | Researchers at Delft University of Technology have created a detector that enables
the detection of a single photon’s worth of radio frequency energy
. The chip is only 10 mm square and the team plans to use it to explore the relationship of mass and gravity to quantum theory.
The chip has immediate applications in MRI... | 7 | 7 | [
{
"comment_id": "5993262",
"author": "jafinch78",
"timestamp": "2019-03-19T02:20:32",
"content": "Cool man… great references. I have to give some props to some work over this way in Ann Arbor with the other links I was going to post too that I am aware of regarding similar and I’m not sure if as se... | 1,760,374,000.813742 | ||
https://hackaday.com/2019/03/18/hands-on-new-nvidia-jetson-nano-is-more-power-in-a-smaller-form-factor/ | Hands-On: New Nvidia Jetson Nano Is More Power In A Smaller Form Factor | Brian Benchoff | [
"Featured",
"Microcontrollers",
"News",
"Slider"
] | [
"Jetson Nano",
"NVIDIA",
"Nvidia Jetson",
"Nvidia Jetson Nano",
"raspberry pi"
] | Today, Nvidia released their next generation of small but powerful modules for embedded AI.
It’s the Nvidia Jetson Nano
, and it’s smaller, cheaper, and more maker-friendly than anything they’ve put out before.
The Jetson Nano follows the Jetson TX1, the TX2, and the Jetson AGX Xavier, all very capable platforms, but j... | 55 | 23 | [
{
"comment_id": "5993141",
"author": "Jordi Pakey-Rodriguez",
"timestamp": "2019-03-19T00:16:56",
"content": "Love to see the inclusion of a dual USB-C and Micro-B footprint! Strange that the copper seams to be unplated…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,001.141702 | ||
https://hackaday.com/2019/03/18/social-media-jacket-puts-your-likes-on-your-sleeve/ | Social Media Jacket Puts Your Likes On Your Sleeve | Tom Nardi | [
"Arduino Hacks",
"Art",
"Raspberry Pi"
] | [
"conductive thread",
"led strip",
"Social Media",
"wearable"
] | The great irony of the social media revolution is that it’s not very social at all. Users browse through people’s pictures in the middle of the night while laying in bed, and tap out their approval with all the emotion of clearing their spam folder. Many boast of hundreds or thousands of “friends”, but if push came to ... | 17 | 9 | [
{
"comment_id": "5993028",
"author": "johnrpm",
"timestamp": "2019-03-18T22:15:18",
"content": "I can’t help feeling that this is repulsive, the desire to be cyborgs is hardly a bright future.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5993063",
... | 1,760,374,000.873127 | ||
https://hackaday.com/2019/03/18/eshail-2-hams-get-their-first-geosynchronous-repeater/ | Es’hail-2: Hams Get Their First Geosynchronous Repeater | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Slider",
"Space",
"Wireless Hacks"
] | [
"amateur radio",
"AMSAT",
"DATV",
"geosynchronous",
"ham",
"Hams in Space",
"OSCAR",
"Qatar",
"QO-100",
"repeater",
"satellite",
"transponder"
] | In the radio business, getting the high ground is key to covering as much territory from as few installations as possible. Anything that has a high profile, from a big municipal water tank to a roadside billboard to a remote hilltop, will likely be bristling with antennas, and different services compete for the best sp... | 27 | 14 | [
{
"comment_id": "5992742",
"author": "Ren",
"timestamp": "2019-03-18T17:44:23",
"content": "“Hats off to everyone who was involved in getting QO-100 flying!”Don’t you mean Ghutra and Egal?B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5992798",
"author... | 1,760,374,000.991387 | ||
https://hackaday.com/2019/03/18/hack-chat-the-home-machine-shop-with-quinn-dunki/ | Hack Chat: The Home Machine Shop With Quinn Dunki | Dan Maloney | [
"Hackaday Columns"
] | [
"6502",
"cnc",
"lathe",
"machine tools",
"metalworking",
"milling machine",
"The Hack Chat"
] | Join us Wednesday at noon Pacific time for the
Home Machine Shop Hack Chat
!
Even if you haven’t been here for very long, you’ll probably recognize Quinn Dunki as Hackaday’s resident consulting machinist. Quinn recently did
a great series of articles
on the “King of Machine Tools”, the lathe, covering everything from t... | 4 | 2 | [
{
"comment_id": "5992687",
"author": "Toadie",
"timestamp": "2019-03-18T17:04:17",
"content": "I want to see a Veronica powered CNC. Please Ms Dunki!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5994173",
"author": "ChalkBored",
"timestamp"... | 1,760,374,000.923644 | ||
https://hackaday.com/2019/03/18/how-to-interface-sega-controllers-and-make-them-wireless/ | How To Interface Sega Controllers, And Make Them Wireless | Lewin Day | [
"classic hacks"
] | [
"genesis",
"mega drive",
"sega",
"sega genesis",
"sega mega drive"
] | The Sega Genesis, or Mega Drive as it was known outside North America, was a popular console for the simple fact that Sega did what Nintendidn’t. Anachronistic marketing jokes aside, it brought fast scrolling 16-bit games to a home console platform and won many fans over the years. You may find yourself wanting to inte... | 9 | 4 | [
{
"comment_id": "5992589",
"author": "Alex Rossie",
"timestamp": "2019-03-18T16:15:30",
"content": "6 button pad was an absolute joke.Now you can get very nice (better than NOS) mega drive and Saturn pads for the original hardware and USB (and wireless) for about £15 which is a god send otherwise we... | 1,760,374,001.03816 | ||
https://hackaday.com/2019/03/18/hitchhiking-to-the-moon-for-fun-and-profit/ | Hitchhiking To The Moon For Fun And Profit | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Space"
] | [
"apollo",
"commercial space",
"moon",
"orbital mechanics",
"space travel",
"SpaceX"
] | On February 22nd, a Falcon rocket lifted off from Cape Canaveral carrying the Indonesian communications satellite
Nusantara Satu
. While the satellite was the primary payload for the mission, as is common on the Falcon 9, the rocket had a couple of stowaways. These secondary payloads are generally experiments or spacec... | 43 | 13 | [
{
"comment_id": "5992435",
"author": "forthprgrmr",
"timestamp": "2019-03-18T14:20:07",
"content": "The “beginner’s orbital mechanic” section was nice. It brought back memories from about 1972 when my physics professor told a joke (that none of us got/appreciated) that ended in: “consider a spheric... | 1,760,374,001.276479 | ||
https://hackaday.com/2019/03/18/origami-gripper-is-great-for-soft-and-heavy-objects/ | Origami Gripper Is Great For Soft And Heavy Objects | Lewin Day | [
"Robots Hacks"
] | [
"robot",
"robot gripper",
"robotic arm",
"robotic gripper"
] | Robotic arms are fascinating devices, capable of immense speed and precision when carrying out their tasks. They’re also capable of carrying great loads, and a full-sized industrial robot in operation at maximum pace is a sight to behold. However, while it’s simple to design grippers to move strong metal objects, picki... | 5 | 5 | [
{
"comment_id": "5992301",
"author": "Clara",
"timestamp": "2019-03-18T11:29:26",
"content": "So basically ye olde coffee grounds gripper, but with origami instead of coffee grounds to give it more of a gripper shape.Also, wow, origami-related stuff out of MIT CSAIL without Erik Demaine. Must be to... | 1,760,374,001.192097 | ||
https://hackaday.com/2019/03/18/forbes-says-the-raspberry-pi-is-big-business/ | Forbes Says The Raspberry Pi Is Big Business | Tom Nardi | [
"Raspberry Pi"
] | [
"environmental monitoring",
"forbes",
"industrial",
"manufacturing",
"raspberry pi"
] | Not that it’s something the average Hackaday reader is unaware of, but the Raspberry Pi is a rather popular device. While we don’t have hard numbers to back it up (extra credit for anyone who wishes to crunch the numbers), it certainly seems a day doesn’t go by that there isn’t a Raspberry Pi story on the front page. B... | 45 | 22 | [
{
"comment_id": "5992004",
"author": "tomás zerolo",
"timestamp": "2019-03-18T08:24:55",
"content": "Ugh.I smell big capital’s foul breath. The Beast must be around.Run, little Pi, run!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5992279",
"author... | 1,760,374,001.359813 | ||
https://hackaday.com/2019/03/17/a-3d-printed-blooming-rose-for-next-valentines-day/ | A 3D Printed Blooming Rose For (Next) Valentines Day | Ted Yapo | [
"3d Printer hacks",
"LED Hacks"
] | [
"3d printed",
"led",
"rose",
"servo",
"Valentines day"
] | Inspiration runs on its own schedule: great ideas don’t always arrive in a timely manner. Such was the case with [Daren Schwenke]’s notion for creating a
3D-printed blooming rose
for his valentine, a plan which came about on February 13. Inspired by
[Jiří Praus]’s animated wireframe tulip
, [Daren] figured he could mak... | 7 | 4 | [
{
"comment_id": "5992345",
"author": "R. Travis Brown (@TarheelBandB)",
"timestamp": "2019-03-18T12:22:51",
"content": "This is pretty cool. I wonder if I could modify it to drop petals over the coarse of a day, week, month or so, a la Beauty and the Beast.",
"parent_id": null,
"depth": 1,
... | 1,760,374,001.412393 | ||
https://hackaday.com/2019/03/17/ebay-modules-and-custom-pcbs-make-a-plug-and-play-ham-transceiver/ | EBay Modules And Custom PCBs Make A Plug And Play Ham Transceiver | Dan Maloney | [
"Wireless Hacks"
] | [
"amateur radio",
"cw",
"fldigi",
"ham",
"morse",
"Quisk",
"sdr",
"SI5351",
"transceiver",
"VFO"
] | Many of us have fond memories of our introduction to electronics through the “200-in-1” sets that Radio Shack once sold, or even the more recent “Snap Circuits”-style kits. Most of eventually us move beyond these kits to design our circuits; still, there’s something to be said for modular designs.
This complete amateur... | 9 | 6 | [
{
"comment_id": "5991914",
"author": "2ftg",
"timestamp": "2019-03-18T07:45:57",
"content": "The eBay 3eur arduino nanos, AD9851 DDS modules and lately Si5351 modules have done a world of good for hamradio homebrewing.Now everyone can just casually have LF-40MHz and 9kHz-160MHz programmable local os... | 1,760,374,002.031484 | ||
https://hackaday.com/2019/03/17/hackaday-links-march-17-2019/ | Hackaday Links: March 17, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"ai",
"NeXT",
"Power Wheels",
"raspberry pi",
"RCL"
] | There’s now
an official Raspberry Pi keyboard and mouse
. The mouse is a mouse clad in pink and white plastic, but the Pi keyboard has some stuff going for it. It’s small, which is what you want for a Pi keyboard, and it has a built-in USB hub. Even Apple got that idea right with the first iMac keyboard. The keyboard a... | 35 | 17 | [
{
"comment_id": "5990872",
"author": "NorthernDIY",
"timestamp": "2019-03-17T23:22:22",
"content": "That RLC box is eye wateringly expensive. I get that it could be handy, but wtf 200€ is nuts. Ill stick with my random assortment plugin and test thanks.",
"parent_id": null,
"depth": 1,
... | 1,760,374,001.882548 | ||
https://hackaday.com/2019/03/17/vintage-atari-becomes-modern-keyboard/ | Vintage Atari Becomes Modern Keyboard | Lewin Day | [
"Arduino Hacks",
"Retrocomputing"
] | [
"arduino",
"Arduino Leonardo",
"atari",
"keyboard",
"usb hid"
] | The modern keyboard enthusiast is blessed with innumerable choices when it comes to typing hardware. There are keyboards designed specifically for gaming, fast typing, ergonomics, and all manner of other criteria. [iot4c] undertook their own build for no other reason than nostalgia –
which sounds plenty fun to us
.
An ... | 4 | 4 | [
{
"comment_id": "5990706",
"author": "Ostracus",
"timestamp": "2019-03-17T21:26:41",
"content": "“There are keyboards designed specifically for gaming, fast typing, ergonomics, and all manner of other criteria.”I remember looking for an ergonomic keyboard with Cherry switches. None at the time.",
... | 1,760,374,001.660049 | ||
https://hackaday.com/2019/03/17/custom-calculator-rolls-d20-so-you-dont-have-to/ | Custom Calculator Rolls D20 So You Don’t Have To | Tom Nardi | [
"Games",
"Microcontrollers"
] | [
"calculator",
"cherry mx",
"Feather M0",
"oled",
"OnShape"
] | There are a number of sticking points that can keep new players away from complex tabletop games such as
Dungeons & Dragons
. Some people are intimidated by the math involved, and of course others just can’t find enough friends who are willing to sit down and play D&D with them in 2019. While this gadget created by [Ca... | 19 | 2 | [
{
"comment_id": "5990365",
"author": "Phillip Torrone",
"timestamp": "2019-03-17T18:07:29",
"content": "this is rust on hardware, one of the first ones as far as a complete project, with documentation/code. good work caleb.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,374,001.720785 | ||
https://hackaday.com/2019/03/17/making-a-1940s-radio-digital-with-nixies/ | Making A 1940s Radio Digital With Nixies | Brian Benchoff | [
"Radio Hacks"
] | [
"Glasslinger",
"nixie",
"radio"
] | Classix Philly One Oh Seven Nine is your home for Philly soul right at the top of the dial. That phrase, ‘top of the dial’ doesn’t mean much these days because we all have radios with a digital display and seek buttons. There was a time when radios actually had dials, but [glasslinger] is in a class all by himself.
He’... | 10 | 5 | [
{
"comment_id": "5990256",
"author": "Truth",
"timestamp": "2019-03-17T16:59:32",
"content": "I was expecting this to be tagged as arduino :)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5990288",
"author": "Will",
"timestamp": "2019-03-17T17:18:56",... | 1,760,374,001.927734 | ||
https://hackaday.com/2019/03/17/building-a-magnetic-loop-antenna/ | Building A Magnetic Loop Antenna | Lewin Day | [
"Radio Hacks"
] | [
"antenna",
"antenna build",
"ham radio",
"magnetic loop antenna",
"radio"
] | Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be familiar with trace antennas, yagis and dipoles, but there’s a whole load more out there. [Eric Sorensen] is going down the ... | 21 | 9 | [
{
"comment_id": "5989882",
"author": "Col. Panek",
"timestamp": "2019-03-17T12:35:48",
"content": "Once upon a time I needed a transmitter/antenna to measure the attenuation through rock (300 feet of quartzite) at VLF (25 KHz), long story. I found a 30 foot piece of 50 pair telephone cable, and spli... | 1,760,374,001.98481 | ||
https://hackaday.com/2019/03/17/a-lasercut-atx-case-for-your-next-desktop-rig/ | A Lasercut ATX Case For Your Next Desktop Rig | Lewin Day | [
"computer hacks"
] | [
"ATX case",
"case",
"computer case"
] | Case modding exploded in the late 1990s, as computer enthusiasts the world over grew tired of the beige box and took matters into their own hands. The movement began with custom paints and finishes on existing cases, with competitions and bragging rights then taking over to further push the state of the art. It’s one t... | 36 | 7 | [
{
"comment_id": "5989728",
"author": "norro211",
"timestamp": "2019-03-17T08:48:16",
"content": "And how did he deal with EMI shielding?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5989774",
"author": "rain",
"timestamp": "2019-03-17T10:14... | 1,760,374,002.204181 | ||
https://hackaday.com/2019/03/16/alma-the-talking-dog-might-win-some-bar-bets/ | Alma The Talking Dog Might Win Some Bar Bets | Al Williams | [
"Arduino Hacks",
"Medical Hacks",
"Raspberry Pi"
] | [
"arduino",
"dog",
"dog collar",
"raspberry pi"
] | Students at the University of Illinois at Urbana-Champaign have a brain-computer interface that can measure brainwaves. What did they do with it? They gave it to Alma, a golden labrador, as you can see in the video below. The code and enough info to duplicate the electronics are on
GitHub
.
Of course, the dog doesn’t d... | 17 | 9 | [
{
"comment_id": "5989508",
"author": "Paul LeBlanc",
"timestamp": "2019-03-17T05:44:27",
"content": "SQUIRREL!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5989710",
"author": "Nitpicker Smartyass",
"timestamp": "2019-03-17T08:08:30",
"content": ... | 1,760,374,002.083408 | ||
https://hackaday.com/2019/03/16/the-miniitx-retro-system/ | The MiniITX Retro System | Brian Benchoff | [
"classic hacks",
"Retrocomputing"
] | [
"65816",
"65c816",
"MiniITX"
] | There are hundreds of modern, retrocomputing projects out there that put ancient CPUs and chips in a modern context.
The Neon816
from [Lenore] is perhaps one of the most impressive projects like this we’ve seen. It’s a classic system in a modern form factor, with modern video output, mashed together into a MiniITX moth... | 12 | 4 | [
{
"comment_id": "5989219",
"author": "Scott Anger",
"timestamp": "2019-03-17T02:50:56",
"content": "What about using this as synth or musical instrument?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6118639",
"author": "Dan Laskowski",
"tim... | 1,760,374,002.132954 | ||
https://hackaday.com/2019/03/16/the-enlightenment-turns-light-and-noise-into-sound/ | The Enlightenment Turns Light And Noise Into Sound | Lewin Day | [
"Art"
] | [
"art",
"emf",
"sound and light"
] | We’re all familiar with the subtle sounds of electrical equipment present in daily life. There’s the high-pitched whine of a CRT, the mains hum of a poorly isolated audio amplifier, and the wailing screams of inductors. Typically these sounds go unnoticed unless something is malfunctioning or otherwise wrong. However, ... | 24 | 8 | [
{
"comment_id": "5988890",
"author": "mike",
"timestamp": "2019-03-16T23:42:51",
"content": "well that was 3 minutes of my life I’ll never get back.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5989280",
"author": "Drew",
"timestamp": "2019... | 1,760,374,002.262895 | ||
https://hackaday.com/2019/03/16/printable-filament-spool-hub-skips-the-bearings/ | Printable Filament Spool Hub Skips The Bearings | Tom Nardi | [
"3d Printer hacks"
] | [
"bearing",
"filament spool",
"hub",
"PLA",
"smooth rod"
] | When you really start fine-tuning your 3D printer, you might start to notice that even the smallest things can have a noticeable impact on your prints. An open window can cause enough of a draft to make your print peel up from the bed, and the slightly askew diameter of that bargain basement filament can mess up your e... | 32 | 11 | [
{
"comment_id": "5988489",
"author": "daid303",
"timestamp": "2019-03-16T20:31:08",
"content": "I highly recommend against putting bearings in your filament spool holder.If it runs too smooth, it can “run ahead” if the printer feeder, due to the tugs of the print head, and then get more and more uns... | 1,760,374,002.465071 | ||
https://hackaday.com/2019/03/16/tweetbot-expresses-twitter-emotions/ | Tweetbot Expresses Twitter Emotions | Lewin Day | [
"Robots Hacks"
] | [
"bruce land",
"ece 4760",
"ece4760",
"pic32",
"robot",
"twitter"
] | When reading textual communications, it can be difficult to accurately acertain emotional intent. Individual humans can be better or worse at this, with sometimes hilarious results when it goes wrong. Regardless, there’s nothing a human can do that a machine won’t eventually do better. For just this purpose,
Tweetbot i... | 3 | 1 | [
{
"comment_id": "5988027",
"author": "Sweeney",
"timestamp": "2019-03-16T17:41:02",
"content": "The analysis for emotional content bit is handled on a Windows PC.The remainder of the design looks somewhat wasteful as it could have been accomplished with a single ESP32 dev board rather than two PIC32... | 1,760,374,002.502937 | ||
https://hackaday.com/2019/03/16/a-soap-film-photography-how-to/ | A Soap Film Photography How-To | Lewin Day | [
"digital cameras hacks"
] | [
"macro",
"macro lens",
"macro photography",
"photo",
"photography",
"soap",
"soap film"
] | Blowing bubbles is a pastime enjoyed by young and old alike. The pleasant motion and swirling colors of the bubbles can be remarkably relaxing. With the right tools and techniques, it’s possible to take striking photos of these soap film phenomena,
and that’s exactly what [Eric] and [Travis] did.
Adding sugar to the so... | 8 | 5 | [
{
"comment_id": "5987365",
"author": "Nate B",
"timestamp": "2019-03-16T15:03:11",
"content": "Is it interference patterns from the light? I always thought it was the thickness of the film itself acting as an etalon wavelength-selective filter.Sugar is a great tip! I’m gonna have to try this with so... | 1,760,374,002.624749 | ||
https://hackaday.com/2019/03/16/an-airbag-charge-to-launch-a-projectile/ | An Airbag Charge To Launch A Projectile | Jenny List | [
"Weapons Hacks"
] | [
"airbag",
"arrow launcher",
"spigot launched"
] | It’s not particularly easy to buy small explosive charges. At least, it’s not in the UK, from where [Turbo Conquering Mega Eagle] hails. But it is surprisingly easy to get your hands on one because most people drive around with one right in front of them in the form of their car airbag. In a burst of either genius or m... | 49 | 12 | [
{
"comment_id": "5986876",
"author": "benp968",
"timestamp": "2019-03-16T11:08:58",
"content": "Its the UK, of course its illegal.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5988244",
"author": "Comedicles",
"timestamp": "2019-03-16T18:48... | 1,760,374,002.815984 | ||
https://hackaday.com/2019/03/16/spotting-scope-mount-makes-for-more-comfortable-target-scoring/ | Spotting Scope Mount Makes For More Comfortable Target Scoring | Donald Papp | [
"Tool Hacks"
] | [
"bar clamp",
"bullseye",
"ratcheting",
"scope mount",
"spotting scope",
"target shooting"
] | One of the big bottlenecks in target shooting is the scoring process. Even if it’s not a serious match, it’s still important to know where holes have landed because it’s important feedback on technique and performance. A spotting scope, which is really just a kind of telescope optimized for getting a sharp view of a di... | 15 | 5 | [
{
"comment_id": "5986860",
"author": "benp968",
"timestamp": "2019-03-16T11:04:01",
"content": "What I really want is a hack using a pi or similar sbc using a camera to watch the target downrange and report hit and my score back over wifi to a laptop or tablet (or phone). Sort of a high tech versio... | 1,760,374,002.901986 | ||
https://hackaday.com/2019/03/15/home-brewing-rig-gets-a-particle-upgrade/ | Home Brewing Rig Gets A Particle Upgrade | Lewin Day | [
"classic hacks"
] | [
"particle",
"particle argon",
"particle photon"
] | Home brewing is a pastime that can be as much an art or a science as you make it, depending on your predilections. [Brandon Satrom] is one who leans very much towards the science side. There’s plenty that can be done to monitor and control a brew, and [Brandon] is one of many who have built custom hardware to help get ... | 0 | 0 | [] | 1,760,374,002.851405 | ||
https://hackaday.com/2019/03/15/extracting-bismuth-from-pepto-bismol/ | Extracting Bismuth From Pepto Bismol | Al Williams | [
"chemistry hacks"
] | [
"bismuth",
"Chemistry",
"pepto bismol"
] | Bismuth is a very odd metal that you see in cosmetic pigments and as a replacement for lead, since it is less toxic. You will also see it — or an alloy — in fire sprinklers since it melts readily. However, the most common place you might encounter bismuth is Pepto Bismol — the ubiquitous pink liquid you use when your s... | 17 | 9 | [
{
"comment_id": "5985859",
"author": "Eric",
"timestamp": "2019-03-16T02:18:28",
"content": "For months and months I’ve noticed that every YouTube video you guys share, I’ve already seen it… did you guys hack my account to spy on my viewing history are you just peeping in my living room window? If i... | 1,760,374,002.953429 | ||
https://hackaday.com/2019/03/15/this-arduino-feeds-the-dog/ | This Arduino Feeds The Dog | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"bluetooth",
"dog",
"dog food",
"feeder",
"pet feeder",
"stepper motor"
] | Part of the joy of owning a dog is feeding it. How often do you get to make another living being that happy? However, sometimes you can’t be there when your best friend is hungry. [El Taller De TD] built an
auto dog feeder using an Arduino and stepper motor
. The video and links are in Spanish, but if your Spanish is r... | 6 | 5 | [
{
"comment_id": "5985532",
"author": "Lycaonoides",
"timestamp": "2019-03-15T23:05:16",
"content": "I’m making one for my cat that uses the guts of a plastic ice spreader as a rotating platform so I can fit three separate meals in it. Hardest part is just moving the kibble around, it likes to get ja... | 1,760,374,003.038679 | ||
https://hackaday.com/2019/03/15/octavo-systems-shows-off-with-deadbug-linux-computer/ | Octavo Systems Shows Off With Deadbug Linux Computer | Roger Cheng | [
"hardware",
"Microcontrollers"
] | [
"linux",
"Linux ARM",
"Octavo",
"Octavo Systems",
"OSD3358",
"OSD335x",
"SIP",
"som"
] | Once upon a time, small Linux-capable single board computers were novelties, but not anymore. Today we have a wide selection of them, many built around modules we could buy for our own projects. Some of the chipset suppliers behind these boards compete on cost, others find a niche to differentiate their product. Octavo... | 11 | 7 | [
{
"comment_id": "5985403",
"author": "dlcarrier",
"timestamp": "2019-03-15T21:06:49",
"content": "It is nice to be able to use a BGA package on a single-layer with 6-mil trace and space. Keeping the pitch course and the layer count low can help save several tens of cents per device PCB, which reall... | 1,760,374,003.193254 | ||
https://hackaday.com/2019/03/15/retropie-nes-clock-tells-you-when-its-game-time/ | RetroPie NES Clock Tells You When It’s Game Time | Tom Nardi | [
"Nintendo Hacks",
"Raspberry Pi"
] | [
"3D printed enclosure",
"clock",
"led matrix",
"nes",
"RetroPi"
] | We’ve all seen the 3D printed replicas of classic game consoles which house a Raspberry Pi; in fact, there’s a pretty good chance some of the people reading this post have one of their own. They’re a great way to add some classic gaming emulation to your entertainment center, especially compared to the bare PCB chic of... | 2 | 2 | [
{
"comment_id": "5985698",
"author": "Spectrumbot",
"timestamp": "2019-03-16T00:39:25",
"content": "It should use the mushroom sound effect!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "5992405",
"author": "Victor Heid K.Miko (@victorheid)",
"timesta... | 1,760,374,002.997886 | ||
https://hackaday.com/2019/03/15/mid-winter-hacker-camp-in-civilised-surroundings/ | Mid-Winter Hacker Camp In Civilised Surroundings | Jenny List | [
"cons",
"Featured"
] | [
"hacker camp",
"Hacker Hotel",
"Netherlands"
] | Imagine a weekend of opulence in which you meet your companion at the railway station and whisk away across the continent in a 190mph express train for a relaxing couple of days enjoying the ambience of a luxury resort hotel in the fresh surroundings of a woodland in midwinter. Break out the Martinis, it’s a scene of e... | 8 | 4 | [
{
"comment_id": "5985255",
"author": "Ostracus",
"timestamp": "2019-03-15T17:56:39",
"content": "Sounds expensive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "5985288",
"author": "jwrm22",
"timestamp": "2019-03-15T18:40:06",
"conte... | 1,760,374,003.287168 | ||
https://hackaday.com/2019/03/15/hackaday-podcast-010-xkcd-graphs-turing-complete-meta-computers-false-finger-printing-3d-printers-and-jargon/ | Hackaday Podcast 010: XKCD Graphs, Turing Complete Meta Computers, False Finger Printing 3D Printers, And Jargon | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"3D printers",
"astrictive robotic prehension",
"Hackaday Podcast",
"nasa"
] | Elliot Williams and Mike Szczys walk through the past week in hackerdom. There’s a new jargon quiz! Do you know what astrictive robotic prehension means? We look at the $50 Ham series, omni-wheeled pen plotting robots, a spectrum of LED hacks, LEGO CNC for chocolate rework, and grinding lenses with a CNC mill. In the “... | 6 | 2 | [
{
"comment_id": "5985231",
"author": "Anon (@1byteFan)",
"timestamp": "2019-03-15T17:31:49",
"content": "(As always) Awesome podcast! Last semester I had to programm an omni wheel robot in uni and wrote a scripting language to code it’s path. I should ask if I can get it again to make that plotting ... | 1,760,374,003.239467 | ||
https://hackaday.com/2019/03/15/this-super-realistic-led-candle-is-smoking-hot/ | This Super Realistic LED Candle Is Smoking Hot | Tom Nardi | [
"LED Hacks"
] | [
"candle",
"ir sensor",
"LED candle",
"mosfet",
"ws2812b"
] | Over the last few years, LED candles have become increasingly common; and for good reason. From a distance a decent LED candle is a pretty convincing facsimile for the real thing, providing a low flickering glow without that annoying risk of burning your house down. But there’s something to be said for the
experience
o... | 14 | 7 | [
{
"comment_id": "5985157",
"author": "Nitpicker Smartyass",
"timestamp": "2019-03-15T16:17:12",
"content": "First thought: Nice!Second thought: … Arduino Pro Mini, a chunk of RGB WS2812B, an IR sensor, a microphone,a coil of 28 gauge wire, a “Tiki Torch”, a beefy enough power supply, MOSFET, glyce... | 1,760,374,003.343656 |
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