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https://hackaday.com/2023/01/09/iot-archaeology-leads-to-api-resurrection/ | IoT Archaeology Leads To API Resurrection | Jenny List | [
"LED Hacks"
] | [
"LED sign",
"public transport",
"startup"
] | What happens when someone’s personal project is turned into a startup which becomes something of a publicity darling, then collapses with very little product shipped and takes all its customers’ money with it?
That’s the subject of a blog post from [Kevin Chung],
who investigated the legacy of NYCTrainSign
, a company ... | 21 | 6 | [
{
"comment_id": "6571081",
"author": "pelrun",
"timestamp": "2023-01-10T06:00:39",
"content": "I like how he points out the “huge hole in the back for some unknown reason”, when he must have used it for it’s intended purpose – shoving a finger in there when trying to take the back off.This is totall... | 1,760,372,438.078211 | ||
https://hackaday.com/2023/01/09/clever-mechanism-makes-a-linear-control-from-a-rotary-hall-sensor/ | Clever Mechanism Makes A Linear Control From A Rotary Hall Sensor | Dan Maloney | [
"Misc Hacks"
] | [
"diametrally",
"hall effect",
"linear",
"magnet",
"neodymium",
"sensor"
] | Every once in a while we stumble across something so simple yet so clever that we just have to call it out.
This custom linear Hall effect sensor
is a perfect example of this.
By way of backstory, [Nixieguy], aka [The Electronic Mercenary], offers up a relatable tale — in the market for suitable hardware to make the ga... | 81 | 19 | [
{
"comment_id": "6570872",
"author": "doug",
"timestamp": "2023-01-10T00:12:15",
"content": "Very nice! And by adding more twists to it you can even get better resolution.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6570946",
"author": "paulvdh",... | 1,760,372,438.382203 | ||
https://hackaday.com/2023/01/09/you-can-now-fix-your-deere/ | You Can Now Fix Your Deere | Jenny List | [
"Repair Hacks"
] | [
"john deere",
"right to repair",
"tractor"
] | Over the last few years we have brought you many stories about John Deere tractors, and how their repair has been locked down such that only manufacturer-authorised technicians can work on them. They’ve become a poster child in the battle for the right to repair, a symbol of the worst practices. Finally now we can brin... | 29 | 10 | [
{
"comment_id": "6570768",
"author": "Name",
"timestamp": "2023-01-09T21:25:07",
"content": "I hope food prices will drop because without all this fake sensors and ovecomplicated parts will be removed so Tractors and their repair will be cheaper.John Deere lost some cases because it was their mistak... | 1,760,372,438.272052 | ||
https://hackaday.com/2023/01/09/get-pumped-for-this-miniature-gym/ | Get Pumped For This Miniature Gym | Abe Connelly | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"arduino",
"atmega328p",
"desktop toy",
"led strip",
"miniature",
"mp3",
"peak detector"
] | [Duncan McIntyre] lives in the UK but participated in a secret Santa gift exchange for his Dutch friends’ Sinterklaas celebration. In traditional maker fashion, [Duncan] went overboard and created a
miniature gym gift box
, complete with flashing lights, music and a motorized lid.
[Duncan] used [TanyaAkinora]’s 3D prin... | 5 | 5 | [
{
"comment_id": "6570727",
"author": "robomonkey",
"timestamp": "2023-01-09T20:34:19",
"content": "The only thing missing???Budgies working out in the gym!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6570765",
"author": "mrehorst",
"timestamp": "202... | 1,760,372,438.422511 | ||
https://hackaday.com/2023/01/09/all-about-usb-c-power-delivery/ | All About USB-C: Power Delivery | Arya Voronova | [
"Hackaday Columns",
"Slider",
"Tech Hacks"
] | [
"Type-C",
"USB C",
"USB Type-C",
"USB-C PD"
] | USB-C eliminates proprietary barrel plug chargers that we’ve been using for laptops and myriads of other devices. It fights proprietary phone charger standards by explicitly making them non-compliant, bullying companies into making their devices work with widely available chargers. As a hobbyist, you no longer need to ... | 65 | 19 | [
{
"comment_id": "6570650",
"author": "Mel",
"timestamp": "2023-01-09T18:44:06",
"content": "I’m a big fan of USB-C for all the reasons you mention above. I do worry about its mechanical robustness though, as it seeing a lot more ‘action’ now that is is the only charging port on many laptops. I’ve no... | 1,760,372,438.023441 | ||
https://hackaday.com/2023/01/09/sls-amg-velomobile/ | SLS AMG Velomobile | Navarre Bartz | [
"car hacks",
"Transportation Hacks"
] | [
"bike",
"bike car",
"gull wing",
"mercedes",
"mercedes benz",
"quadracycle",
"sls amg",
"velocipede",
"velomobile"
] | Many gearheads dream of owning a supercar, but their exorbitant prices make them unattainable for all but the most affluent. [Andrzej Burek] decided to make his dreams come true by building his own
supercar with a human-powered twist
. [YouTube]
At first glance, [Burek]’s SLS AMG looks like the real thing. Pop the hood... | 14 | 6 | [
{
"comment_id": "6570563",
"author": "CRJEEA",
"timestamp": "2023-01-09T16:47:08",
"content": "I wonder how many times you’d have people honking at you for “driving” too slowly, because they didn’t realize it was peddle powered.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,437.912534 | ||
https://hackaday.com/2023/01/09/ask-hackaday-whats-your-worst-repair-win/ | Ask Hackaday: What’s Your Worst Repair Win? | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Rants",
"Repair Hacks",
"Slider"
] | [
"broken wire",
"ferrule",
"fix-it",
"Rant",
"repair",
"satisfaction",
"stove"
] | Like many of you, I’ve become the designated “fix-it” person for my family and friends. While it can be a lot of work — I just finished an oil change that required me to lay in a cold, wet driveway and I can’t mention in polite company the substances I was bathed in while fixing a clogged pipe last week — I generally ... | 191 | 50 | [
{
"comment_id": "6570487",
"author": "TG",
"timestamp": "2023-01-09T15:08:49",
"content": "Had a friend with a street-legal dirt bike which would do strange things when riding two-up: it would try to dive to one side and throw people off of it. Really dangerous. He took it to a bunch of local motorb... | 1,760,372,438.678554 | ||
https://hackaday.com/2023/01/09/a-simple-serial-display/ | A Simple Serial Display | Matthew Carlson | [
"Microcontrollers"
] | [
"atmega8",
"serial",
"seven segment display"
] | Often with more “modern” complex protocols involving handshaking, token exchanges, and all the other hoops and whistles accompanying them, we forget how useful and powerful serial can be. In what might be a wonderful tribute to that, [Davide Gironi] created a
simple AVR-powered 16-digit serial display
.
It can display ... | 11 | 3 | [
{
"comment_id": "6570409",
"author": "John Boxall",
"timestamp": "2023-01-09T13:05:17",
"content": "Nice, but the EEPROM won’t last forever.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6570418",
"author": "sjm4306",
"timestamp": "2023-01-0... | 1,760,372,438.206843 | ||
https://hackaday.com/2023/01/09/spaceballs-get-serialized/ | Spaceballs Get Serialized | Matthew Carlson | [
"Peripherals Hacks"
] | [
"6dof",
"serial interface",
"spaceballs",
"spacemouse"
] | As much as we’d love a TV show version of the cult classic movie, we’re talking about a different kind of Spaceball. While there have been many iterations, [Evan] had a Spaceball built by a company known as Spacetec in 1991 and rebranded by HP. Being an older peripheral, he used the
Orbotron 9001, a converter from RS23... | 33 | 8 | [
{
"comment_id": "6570340",
"author": "pelrun",
"timestamp": "2023-01-09T10:17:20",
"content": "That rubberised coating from the early ’90s is a menace to society. At least it comes off with some IPA and elbow grease.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,372,438.485 | ||
https://hackaday.com/2023/01/08/recreating-a-numpad-for-the-adm-3a/ | Recreating A Numpad For The ADM-3A | Matthew Carlson | [
"classic hacks",
"Peripherals Hacks"
] | [
"ADM-3A",
"ADM3A",
"numpad",
"QMK",
"stackpole"
] | [Evan] already had a working ADM-3A (a dumb terminal from 1976) but was starting to eye the accessories hungrily. He had only seen the numpad on Wikipedia and in the manual. So when he found some authentic stackpole numpads on a surplus sale, he grabbed them and converted them to be
ADM-3A compatible.
Looking at the sc... | 1 | 1 | [
{
"comment_id": "6594683",
"author": "Kelli",
"timestamp": "2023-02-07T22:26:25",
"content": "“This meant that pressing a five on the keyboard was electrically equivalent to pressing a five on the keyboard.”I assume that you meant for one of the instances of the word ‘keyboard’ in the above to be re... | 1,760,372,437.853143 | ||
https://hackaday.com/2023/01/08/building-a-giant-remote-controlled-model-airbus-a380-in-a-year/ | Building A Giant Remote Controlled Model Airbus A380 In A Year | Maya Posch | [
"Transportation Hacks"
] | [
"A380",
"model aircraft",
"RC airplane"
] | A year ago [Ramy RC] set out on a momentous challenge: to build a 1:21 scale Airbus A380-800 RC model with functional engines, landing gear and all other details. Recently he finished the project and
published a video
with a summary of the whole build process (also linked below). The full video series can be found on t... | 21 | 9 | [
{
"comment_id": "6570195",
"author": "Mr Name Required",
"timestamp": "2023-01-09T03:11:50",
"content": "It’s an impressive beast! Large scale RC flights turn heads. I used to fly RC decades ago and beginners fears were mitigated somewhat by having the student’s transmitter linked to the instructor’... | 1,760,372,438.735185 | ||
https://hackaday.com/2023/01/08/hackaday-links-january-8-2023/ | Hackaday Links: January 8, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"continents",
"crime",
"crypto",
"cubesat",
"fraud",
"hackaday links",
"helium",
"JAXA",
"LoRa",
"mesh",
"office space",
"photography",
"remote",
"satellite",
"sony",
"tectonics"
] | Something odd is afoot in the mountains around Salt Lake City, Utah, at least according to local media reports of
remote radio installations that have been popping up for at least the past year
. The installations consist of a large-ish solar panel, a weatherproof box full of batteries — and presumably other electronic... | 12 | 5 | [
{
"comment_id": "6570119",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-09T00:06:15",
"content": "My stapler, and tape dispenser are pink.Other men may borrow it, but usually bring it right back.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,438.784393 | ||
https://hackaday.com/2023/01/08/can-ai-replace-your-gm/ | Can AI Replace Your DM? | Jenny List | [
"Artificial Intelligence"
] | [
"ai",
"ChatGPT",
"dd",
"DM",
"GM"
] | The current hotness is anything to do with artificial intelligence, and along with some interesting experiments comes a lot of mindless hype. The question is, what can it do for us! [Jesse] provides a fun answer
by asking ChatGPT to perform as a
Dungeons and Dragons
dungeon master
.
There are many ways to approach a ga... | 18 | 10 | [
{
"comment_id": "6570044",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-08T21:10:43",
"content": "When I read the Title, I was wondering how Al Williams was going to replace my Digital Meters.Anyway if he wanted to replace them, he’d have to first pry them from my cold dead... | 1,760,372,438.931266 | ||
https://hackaday.com/2023/01/08/low-cost-433-mhz-door-sensors-get-open-firmware/ | Low-Cost 433 MHz Door Sensors Get Open Firmware | Tom Nardi | [
"Microcontrollers",
"Parts"
] | [
"433 mhz",
"custom firmware",
"replacement firmware",
"smart home",
"Wireless sensor"
] | It’s an unfortunate reality these days that if you see a cheap piece of consumer electronics, there’s a good chance its only cheap because it’s designed to lock you into some ecosystem where you’ll either end up paying a subscription, or worse, have your personal information sold behind your back. One of the best tools... | 38 | 8 | [
{
"comment_id": "6569962",
"author": "NdK",
"timestamp": "2023-01-08T18:45:16",
"content": "Popping in just to mention one of the features of the alternative fw for those BLE thermometers is support for a reed contact so that they can additionally act as a door sensor…",
"parent_id": null,
"... | 1,760,372,438.869551 | ||
https://hackaday.com/2023/01/08/forth-cracks-risc-v/ | Forth Cracks RISC-V | Jenny List | [
"Software Development"
] | [
"forth",
"GD32",
"RISC-V"
] | Over the decades there have been many programming languages, some of which have flowered briefly, and others that have stuck around despite newer, better, and faster competition. Few languages embody this last group more than FORTH, over five decades old and still cropping up wherever a simple, elegant, fast, and compa... | 49 | 14 | [
{
"comment_id": "6569896",
"author": "Yaakov",
"timestamp": "2023-01-08T15:06:25",
"content": "What! Is FORTH really still alive? I’m not sure I remember any of it now, it’s been so long…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6569911",
"au... | 1,760,372,439.018202 | ||
https://hackaday.com/2023/01/08/the-github-silverware-drawer-dilemma-or-finding-active-repository-forks/ | The GitHub Silverware Drawer Dilemma, Or: Finding Active Repository Forks | Maya Posch | [
"internet hacks",
"Software Development"
] | [
"fork",
"github"
] | An fortunate reality of GitHub and similar sites is that projects that are abandoned by the maintainer are often continued by someone else who forked the project. Unfortunately, the ease of forking also means that GitHub projects tend to have a lot of forks, with the popular projects having hundreds of them. Since GitH... | 11 | 6 | [
{
"comment_id": "6569811",
"author": "Scopeuk",
"timestamp": "2023-01-08T12:01:46",
"content": "Insights and then network will get you pretty close, it’s sorted by most recently active",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6569828",
"author"... | 1,760,372,439.470762 | ||
https://hackaday.com/2023/01/08/release-less-magic-smoke-with-a-bulb-limiter/ | Release Less Magic Smoke, With A Bulb Limiter | Jenny List | [
"hardware"
] | [
"incandescent lamp",
"power"
] | As electronics have moved lower in voltage, it’s perhaps less common to work on live-mains equipment. Thus particularly among younger hardware hackers it sometimes seems as though such work is viewed as so dangerous as to be only for the foolhardy. In practice it remains safe, so long as appropriate precautions are tak... | 29 | 13 | [
{
"comment_id": "6569746",
"author": "M",
"timestamp": "2023-01-08T09:28:29",
"content": "Was going to post an interesting aside, but it’s not worth the abuse. Screw the lot of ya!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6569772",
"author": "A... | 1,760,372,439.42101 | ||
https://hackaday.com/2023/01/07/classic-video-chip-drives-a-modern-tft/ | Classic Video Chip Drives A Modern TFT | Jenny List | [
"home entertainment hacks",
"Retrocomputing"
] | [
"STM Nucleo",
"TMS9928A",
"video"
] | A lot of us have a soft spot for retrocomputers, and there’s nothing quite like running original hardware. Unfortunately if you’re after the truly original touch then that means carrying along the family TV from 1982, and that’s where life becomes annoying. What if there were a way you could easily drive an LCD panel f... | 11 | 5 | [
{
"comment_id": "6569682",
"author": "rnjacobs",
"timestamp": "2023-01-08T06:16:26",
"content": "Microcontroller than has an integrated ADC that can sample at at least 11MSa/sec?? Apparently I’ve been failing to keep up-to-date.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,439.353264 | ||
https://hackaday.com/2023/01/07/tiny-robots-that-bring-targeted-drug-delivery-and-treatment-a-little-bit-closer/ | Tiny Robots That Bring Targeted Drug Delivery And Treatment A Little Bit Closer | Maya Posch | [
"News",
"Science"
] | [
"Drug delivery",
"origami",
"robotics"
] | Within the world of medical science fiction they are found everywhere: tiny robots that can zip through blood vessels and intestines, where they can deliver medication, diagnose medical conditions and even directly provide treatment. Although much of this is still firmly in the realm of science-fiction, researchers at ... | 8 | 4 | [
{
"comment_id": "6569646",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-08T04:54:28",
"content": "No payroll!The videos at the link are interesting.But, I wonder if the “swim fins or propeller” mechanism might macerate tissues it travels along.",
"parent_id": null,
... | 1,760,372,439.513144 | ||
https://hackaday.com/2023/01/07/gorgeous-sunflower-macropad-will-grow-on-you/ | Gorgeous Sunflower Macropad Will Grow On You | Kristina Panos | [
"Peripherals Hacks",
"Raspberry Pi"
] | [
"Kailh",
"Kailh chocs",
"macro pad",
"macropad",
"rp2040",
"sunflower"
] | Once [Hide-key] saw the likes of the banana and corn macro pads, they knew they had to throw their hat in this strange and wonderful ring. Some family members suggested a sunflower, and off they went looking for inspiring images, finally settling on
a more iconic and less realistic design
which we think is quite beauti... | 3 | 2 | [
{
"comment_id": "6569581",
"author": "Happy guy",
"timestamp": "2023-01-08T02:38:00",
"content": "Fantastic! Adding little bits of whimsy to your daily grind/life is such an under-rated way of helping your mental health.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,439.304313 | ||
https://hackaday.com/2023/01/07/wireless-cnc-pendant-implemented-with-esp-now/ | Wireless CNC Pendant Implemented With ESP-NOW | Maya Posch | [
"Microcontrollers",
"Wireless Hacks"
] | [
"cnc",
"ESP-Now"
] | As a fervent fan of twiddly and twirly widgets and tactile buttons in a device’s user interface, [Steve M Potter] created a remote control (pendant) for his CNC machine, which he explains in a
recent video
that’s also linked down below. In addition to all the tactile goodness, what is perhaps most interesting about thi... | 6 | 4 | [
{
"comment_id": "6569574",
"author": "Rich S",
"timestamp": "2023-01-08T02:15:08",
"content": "As a CNC machinist, I would love to have a wireless Handwheel Pendent. Great idea!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6569677",
"author": "Andrew",
... | 1,760,372,439.558739 | ||
https://hackaday.com/2023/01/07/new-part-day-esp32-p4-espressif-risc-v-powerhouse/ | New Part Day: ESP32-P4 Espressif RISC-V Powerhouse | Jenny List | [
"Microcontrollers",
"Parts"
] | [
"ESP32",
"espressif",
"RISC-V"
] | It seems every day there’s a new microcontroller announcement for which the manufacturer is keen to secure your eyeballs. Today it’s the turn of Espressif, whose new part is the
ESP32-P4
, which despite being another confusingly named ESP32, is a high-performance addition to their RISC-V line-up.
On board are dual-core... | 63 | 18 | [
{
"comment_id": "6569292",
"author": "Hitomi",
"timestamp": "2023-01-07T18:05:58",
"content": ">H.264 encoding support>Looks like a license trap, will see the implications and what this might do to the price. Anyone who knows their stuff regarding this potential issue?",
"parent_id": null,
"... | 1,760,372,439.658366 | ||
https://hackaday.com/2023/01/06/myceliotronics-biodegradable-electronics-substrates-from-fungi/ | MycelioTronics: Biodegradable Electronics Substrates From Fungi | Navarre Bartz | [
"hardware",
"Science"
] | [
"biodegradable",
"circular economy",
"electronics",
"ewaste",
"fungi",
"mushroom",
"myceliotronics",
"mycelium",
"pcbs"
] | E-waste is one of the main unfortunate consequences of the widespread adoption of electronic devices, and there are various efforts to stem the flow of this pernicious trash. One new approach from researchers at the Johannes Kepler University in Austria is to replace the substrate in electronics with a
material made fr... | 12 | 5 | [
{
"comment_id": "6568534",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-06T20:04:57",
"content": "I’m sure manufactures would love a circuit board that decays after a few years.They could even bribe politicians into making laws requiring it.Then, no one can keep their elec... | 1,760,372,439.707037 | ||
https://hackaday.com/2023/01/06/this-week-in-security-lastpass-takeaway-bitcoin-loss-and-pytorch/ | This Week In Security: Lastpass Takeaway, Bitcoin Loss, And PyTorch | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"Citrix",
"lastpass",
"pytorch",
"This Week in Security"
] | We mentioned the LastPass story in closing a couple weeks ago, but details were still a bit scarce. The hope was that LastPass would release more transparent information about what happened, and how many accounts were accessed. Unfortunately it looks like
the December 22nd news release is all we’re going to get
. For L... | 10 | 5 | [
{
"comment_id": "6568536",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-06T20:07:51",
"content": "“This Week in Security:” posted AFTER the Hackaday podcast?What’s this world coming to?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,439.763109 | ||
https://hackaday.com/2023/01/06/the-surprisingly-simple-way-to-steal-cryptocurrency/ | The Surprisingly Simple Way To Steal Cryptocurrency | Jenny List | [
"Current Events",
"Featured",
"News",
"Security Hacks",
"Slider"
] | [
"cryptocurrency",
"public key encryption",
"security"
] | In the news a few days ago, the revelation that
Luke Dashjr, a core Bitcoin developer, had his wallet compromised, and lost 200 BTC
. A small fortune, and something of a shock. I’m guessing that someone with that expertise would not have left his private key lying around, so as a cryptocurrency non-enthusiast I’m left ... | 78 | 24 | [
{
"comment_id": "6568472",
"author": "sebastian",
"timestamp": "2023-01-06T18:21:30",
"content": "Sorry but this is nonsense, the likelihood of an address collision is not just kind of low so that with enough compute power you would practically have a chance to find one, it’s ridiculously low, impos... | 1,760,372,439.887556 | ||
https://hackaday.com/2023/01/06/hackaday-podcast-200-happy-new-year-the-ultimate-game-boy-and-python-all-the-things/ | Hackaday Podcast 200: Happy New Year, The Ultimate Game Boy, And Python All The Things | Tom Nardi | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi ring in the New Year with…well, pretty much the same stuff they do every other week. After taking some time to talk about the nuts and bolts of the podcast in honor of Episode 200, discussion moves on to favorite stories of the week including an i... | 1 | 1 | [
{
"comment_id": "6569346",
"author": "Anders Nielsen",
"timestamp": "2023-01-07T19:36:38",
"content": "Eeey! I’m on the podcast! :D I have a lot of fun making these videos and I’m super proud to get the mention.Elliot, of course I mentioned the Atari 2600 :D The comment section of Hackaday articles ... | 1,760,372,439.926802 | ||
https://hackaday.com/2023/01/06/triple-zone-clock-tells-time-in-style/ | Triple Zone Clock Tells Time In Style | Kristina Panos | [
"clock hacks"
] | [
"7-segment display",
"clock",
"multiple 7-segment display",
"PCB clock"
] | Although the cutoff for saying ‘Happy New Year’ is somewhere around today, there’s still plenty of time to reminisce about 2022 and all that we accomplished. Hackaday alum [Jeremy Cook] spent much of last year designing and building
a triple-zone PCB clock
, dubbed the 742 clock. It is called so because of all the 7-se... | 9 | 6 | [
{
"comment_id": "6568417",
"author": "Ken AC3DH",
"timestamp": "2023-01-06T17:07:51",
"content": "Very cool clock! you could add time zone info to the random dot area…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6568420",
"author": "Jeremy Cook",
"t... | 1,760,372,440.568258 | ||
https://hackaday.com/2023/01/06/fifteen-flat-crts-and-a-bunch-of-magnets-make-for-interactive-fun/ | Fifteen Flat CRTs And A Bunch Of Magnets Make For Interactive Fun | Dan Maloney | [
"Art",
"classic hacks"
] | [
"cathode ray tube",
"crt",
"deflection",
"exhibit",
"magnet",
"museum",
"neodymium"
] | If you were a curious child growing up when TVs were universally equipped with cathode ray tubes, chances are good that you discovered the effect a magnet can have on a beam of electrons. Watching the picture on the family TV warp and twist like a funhouse mirror was good clean fun, or at least it was right up to the p... | 46 | 13 | [
{
"comment_id": "6568234",
"author": "Ston",
"timestamp": "2023-01-06T12:46:12",
"content": "Hmm.. leaving a row of high voltage power supplies exposed to probing fingers…”WCGW ?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6568577",
"author": "Pe... | 1,760,372,440.145156 | ||
https://hackaday.com/2023/01/06/developing-an-open-source-bike-computer/ | Developing An Open Source Bike Computer | Bryan Cockfield | [
"Transportation Hacks"
] | [
"bicycle",
"bike",
"computer",
"gps",
"lcd screen",
"maps",
"open source",
"raspberry pi",
"sensors",
"zero"
] | While bicycles appear to have standardized around a relatively common shape and size, parts for these bikes are another story entirely. It seems as though most reputable bike manufacturers are currently racing against each other to see who can include the most planned obsolescence and force their customers to upgrade e... | 45 | 15 | [
{
"comment_id": "6568082",
"author": "Artenz",
"timestamp": "2023-01-06T09:10:57",
"content": "Why not use a phone?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6568088",
"author": "Hitomi",
"timestamp": "2023-01-06T09:19:56",
"cont... | 1,760,372,440.2271 | ||
https://hackaday.com/2023/01/07/happy-new-year-hackaday/ | Happy New Year, Hackaday! | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"newsletter"
] | [Tom Nardi] and I were talking on the podcast about 2022, and how it went from the hacker’s perspective. As the global chip shortage entered its second full year, we both thought back on the ways that we all had to adapt and work around the fact that we just couldn’t get the parts we were accustomed to picking up with ... | 4 | 3 | [
{
"comment_id": "6569366",
"author": "Ostracus",
"timestamp": "2023-01-07T20:03:06",
"content": "How did it affect the mechanical hardware part of supply chain?https://youtu.be/_ziP_4pouN8",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6569603",
"author": ... | 1,760,372,440.04764 | ||
https://hackaday.com/2023/01/07/put-your-serial-port-on-the-web/ | Put Your Serial Port On The Web | Navarre Bartz | [
"classic hacks",
"Microcontrollers",
"Wireless Hacks"
] | [
"dongle",
"ESP8266",
"serial port",
"wifi",
"wifi dongle",
"wireless serial port"
] | Today, everything from your computer to your dryer has wireless communications built in, but devices weren’t always so unencumbered by wires. What to do when you have a legacy serial device, but no serial port on the computer you want to connect? [vahidyou] designed a
wireless serial dongle
to solve this conundrum.
Fac... | 37 | 12 | [
{
"comment_id": "6569114",
"author": "irresponsible computer user",
"timestamp": "2023-01-07T12:42:52",
"content": "It would be ‘fun’ if someone would put a CNC lathe on the web, so that people could send motor commands to it via cURL, and then put the whole thing up on a twitch stream. see what kin... | 1,760,372,440.41277 | ||
https://hackaday.com/2023/01/07/printable-case-for-pinecil-and-ts100-soldering-irons-misuses-a-608-bearing/ | Printable Case For Pinecil And TS100 Soldering Irons (Mis)Uses A 608 Bearing | Donald Papp | [
"Tool Hacks"
] | [
"3d printed",
"carry case",
"organizer",
"pinecil",
"printable",
"soldering iron",
"ts100"
] | [PjotrStrog]’s
rugged Pinecil / TS100 storage case
is the perfect printable accessory to go with a hacker’s choice of either the Pine64 Pinecil, or the Miniware TS100 soldering irons. There are some thoughtful features beyond just storing the iron, too!
A standard 608 bearing makes for a handy heat-resistant stand.
Som... | 61 | 15 | [
{
"comment_id": "6569006",
"author": "Ian McEachern.",
"timestamp": "2023-01-07T09:33:02",
"content": "It’s funny, I’m always getting yelled at by the EEs for using their (or my) soldering iron to put heat thread inserts into 3d printed prototypes and how that’s not what a soldering iron is for. No... | 1,760,372,440.519162 | ||
https://hackaday.com/2023/01/06/salty-refrigeration-is-friendly-to-the-environment/ | Salty Refrigeration Is Friendly To The Environment | Al Williams | [
"Science"
] | [
"refigerator",
"refrigeration"
] | Widespread use of refrigerators is a hallmark of modern society, allowing people to store food and enjoy ice and cold beverages. However, a typical refrigerator uses gasses that are not always good for the environment. Now the Berkeley National Lab says they can change that using
ioncaloric
cooling, a new technique tha... | 34 | 6 | [
{
"comment_id": "6568962",
"author": "Rumble_in_the_Jungle",
"timestamp": "2023-01-07T08:11:39",
"content": "“The organic solvent used in the demonstration is actually carbon negative”Until it rain from the sky, there is no such thing.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,440.701232 | ||
https://hackaday.com/2023/01/06/chataigne-an-open-source-swiss-army-knife/ | Chataigne: An Open-Source Swiss Army Knife | Dave Rowntree | [
"Software Hacks"
] | [
"art",
"controller",
"software"
] | [Ben Kuper] is a developer with a history of working on art installations, and had hit upon a common problem often cited by artists. When creating installations involving light, sound, and motion, they often spend too much time on the nuts and bolts of electronics, programming, and so on. Such matters are a huge time s... | 47 | 13 | [
{
"comment_id": "6568801",
"author": "Severe Tire Damage",
"timestamp": "2023-01-07T03:18:41",
"content": "Isn’t this exactly what Arduino and “sketches” set out to do?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6568815",
"author": "The Commenter... | 1,760,372,440.834477 | ||
https://hackaday.com/2023/01/06/is-it-a-game-or-a-calculator/ | Is It A Game? Or A Calculator? | Al Williams | [
"Games",
"Retrocomputing",
"Reverse Engineering"
] | [
"football",
"LED game",
"mattel"
] | If you are a certain age, you probably remember the Mattel Football game. No LCD screen or fancy cartridges. Just some LEDs and a way to play football when you should be in class. While these might seem primitive to today’s kids, they were marvels of technology in the 1970s when they came out. [Sean Riddle] looks, well... | 27 | 11 | [
{
"comment_id": "6568717",
"author": "Steve L",
"timestamp": "2023-01-07T00:29:36",
"content": "There was a lot of creativity that went into these devices in the 70’s, given the crude and expensive chips and the manufacturing technologies available.I had adult friends who owned BigTraks and the Matt... | 1,760,372,440.629723 | ||
https://hackaday.com/2023/01/06/arduino-synthesizer-uses-modified-slide-pots/ | Arduino Synthesizer Uses Modified Slide Pots | Kristina Panos | [
"Arduino Hacks",
"Musical Hacks"
] | [
"arduino",
"slide pot",
"slide potentiometer",
"synthesizer"
] | There comes a point in every Arduino’s life where, if it’s lucky, it becomes a permanent fixture in a project. We can’t think of too many better forever homes for an Arduino than inside of a 3D-printed synthesizer such as
this 17-key number by [ignargomez
] et al.
While there are myriad ways to synthesizer, this one us... | 7 | 4 | [
{
"comment_id": "6568738",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-07T01:21:59",
"content": "Slider pot to knob?My guess is Rack and Pinon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6568743",
"author": "fallous",
"ti... | 1,760,372,440.745519 | ||
https://hackaday.com/2023/01/05/diy-gametank-game-console-gets-upgraded-cartridge/ | DIY GameTank Game Console Gets Upgraded Cartridge | Tom Nardi | [
"Parts",
"Retrocomputing"
] | [
"6502",
"cartridge",
"flash cartridge",
"game console",
"homebrew computer"
] | Over the summer, you might recall seeing a homebrew 6502 game console called the GameTank grace these pages. The product of [Clyde Shaffer], the system was impressively complete, very well documented, and even had a budding library of games.
Recently,
[Clyde] took to the r/electronics subreddit
to show off the latest i... | 2 | 1 | [
{
"comment_id": "6569297",
"author": "David Hand",
"timestamp": "2023-01-07T18:10:45",
"content": "I love it and it’s super cool, just wondering why they went for 6502 instead of the superior 65c816? Struggling to see what is gained by losing address modes, having undefined instructions, etc. If i... | 1,760,372,440.88609 | ||
https://hackaday.com/2023/01/05/pcb-gets-weighty-assignment/ | PCB Gets Weighty Assignment | Al Williams | [
"Microcontrollers"
] | [
"scale",
"strain gauge",
"weight"
] | [Curious Scientist] tried building an integrated strain gauge on a PCB, but ran into problems. Mainly, the low resistance of the traces didn’t show enough change under strain to measure easily. Even placing a proper strain gauge on the PCB had limitations. His
new design
uses a bridge design to make the change in the g... | 9 | 5 | [
{
"comment_id": "6567969",
"author": "Isaac",
"timestamp": "2023-01-06T05:28:09",
"content": "I suspect that, for various reasons, using epoxy-fiberglass for the flex element would not provide stable calibration over the long term and temperature …",
"parent_id": null,
"depth": 1,
"repli... | 1,760,372,440.937558 | ||
https://hackaday.com/2023/01/05/new-and-improved-arduboy-mini-smashes-funding-goal/ | New And Improved Arduboy Mini Smashes Funding Goal | Tom Nardi | [
"Arduino Hacks",
"handhelds hacks"
] | [
"Arduboy",
"Arduboy Mini",
"handheld",
"handheld game",
"kickstarter"
] | Just before the holidays, we brought you word of the Arduboy Mini — the latest in the line of open source 8-bit handheld gaming systems designed by [Kevin Bates]. He was good enough to send along a prototype version ahead of the system’s Kickstarter campaign, and we came away impressed with the possibilities it offered... | 5 | 3 | [
{
"comment_id": "6567765",
"author": "Kevin Bates (@bateskecom)",
"timestamp": "2023-01-06T00:29:19",
"content": "Thanks and don’t forget about the game jam!https://community.arduboy.com/t/arduboy-fx-game-jam/10738",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,440.988717 | ||
https://hackaday.com/2023/01/05/replace-your-automatic-transmission-with-a-bunch-of-relays/ | Replace Your Automatic Transmission With A Bunch Of Relays | Dan Maloney | [
"Transportation Hacks"
] | [
"CEL",
"Check Engine light",
"DTC",
"ecu",
"emulator",
"EuroVan",
"relay",
"sensor",
"solenoid",
"tcm",
"transmission",
"volkswagen"
] | A “Check Engine” light on your dashboard could mean anything from a loose gas cap to a wallet-destroying repair in the offing. For [Dean Segovis], his CEL was indicating a fairly serious condition: a missing transmission. So naturally, he built
this electronic transmission emulator
to solve the problem.
Some explanatio... | 78 | 21 | [
{
"comment_id": "6567601",
"author": "Adam",
"timestamp": "2023-01-05T21:11:01",
"content": "Either I’m being particularly color-blind today, or the brown cable is plugged into the socket labeled “black cable”, and vice versa…!",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,441.325751 | ||
https://hackaday.com/2023/01/05/retrotechtacular-critical-code-reading-70s-style/ | Retrotechtacular: Critical Code Reading, 70s Style | Dan Maloney | [
"Retrotechtacular"
] | [
"cobol",
"coding",
"logic",
"PL/1",
"retrotechtactular",
"standards",
"structured programming"
] | Anyone who has ever made a living writing code has probably had some version of the following drilled into their head: “Always write your code so the next person can understand it.” Every single coder has then gone on to do exactly the opposite, using cryptic variables and bizarre structures that nobody else could poss... | 30 | 12 | [
{
"comment_id": "6567604",
"author": "craig",
"timestamp": "2023-01-05T21:16:39",
"content": "Same cycle of teaching, ignoring and regretting happens to every grad student to keep a lab notebook.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6567617",
"au... | 1,760,372,441.207573 | ||
https://hackaday.com/2023/01/05/the-dawn-of-synthetic-milk-when-milk-becomes-more-like-beer/ | The Dawn Of Synthetic Milk: When Milk Becomes More Like Beer | Maya Posch | [
"green hacks",
"Hackaday Columns"
] | [
"milk",
"synthesized milk"
] | What would we do without milk in modern day society? Although
lactation
originally evolved as a way to provide a newborn mammal with nutrients and the other essentials during the first weeks of their life,
milk
has for thousands of years now been a staple food in human cultures. Whether from cows, camels, sheep or othe... | 85 | 25 | [
{
"comment_id": "6567472",
"author": "Hans",
"timestamp": "2023-01-05T18:43:35",
"content": "These juices made of soy, oat and other plants has noting to do with milk.Is raspberry-juice also going to be called raspberry-wine in the future?It make absolutely no sense.",
"parent_id": null,
"de... | 1,760,372,442.104749 | ||
https://hackaday.com/2023/01/05/a-practical-glue-stick-oscillator/ | A Practical Glue Stick Oscillator | Jenny List | [
"Parts",
"Radio Hacks"
] | [
"glue stick",
"oscillator",
"permeability tuning"
] | A few months ago we brought you some experiments from [Bill Meara, N2CQR], in which he investigated the use of a glue stick as the former for a permeability tuned inductor. His set-up was very much in the spirit of experimentation, and we’re very pleased to now see
[Nick, M0NTV] has taken the idea and demonstrated it
f... | 15 | 7 | [
{
"comment_id": "6567555",
"author": "Jim",
"timestamp": "2023-01-05T20:22:32",
"content": "With that pattern, the tin likely held shortbread.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6567642",
"author": "NQ",
"timestamp": "2023-01-05T22:01:17",
... | 1,760,372,441.639284 | ||
https://hackaday.com/2023/01/05/excuse-me-your-tie-is-unzipped/ | Excuse Me, Your Tie Is Unzipped | Al Williams | [
"Featured",
"History",
"Original Art",
"Tool Hacks"
] | [
"cable ties",
"zip ties"
] | If you ask your typical handyperson what’s the one thing you need to fix most things, the answer might very well be duct tape. But second place — and first place in some circles — would have to be zip ties. These little wonders are everywhere if you look for them. But they are a relatively recent invention and haven’t ... | 102 | 38 | [
{
"comment_id": "6567343",
"author": "Jason Doege",
"timestamp": "2023-01-05T15:10:12",
"content": "5 foot long zip ties are used in the HVAC industry for attaching flexible ducts to collars.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6567393",
"... | 1,760,372,441.797068 | ||
https://hackaday.com/2023/01/05/n-o-d-e-unveils-slick-tech-news-site-hackaday-editors-suddenly-feel-sweaty/ | N-O-D-E Unveils Slick Tech News Site | Tom Nardi | [
"News"
] | [
"N-O-D-E",
"news",
"Tech",
"websites"
] | There’s probably some axiom in professional journalism that says you shouldn’t give out free advertisement to your competitors — but since none of us have any formal training in this kind of thing and are just making it up as we go along — we’re more than happy to plug the brand-new
MOSFET.net
.
We like the option to i... | 24 | 8 | [
{
"comment_id": "6567261",
"author": "Plantenvoeding",
"timestamp": "2023-01-05T12:54:34",
"content": "“A particularly interesting feature is that entries expire automatically after 30 days.”One other feature I’ve been wondering about in the same vein is that articles would be hidden after you have ... | 1,760,372,441.419919 | ||
https://hackaday.com/2023/01/05/the-flight-of-the-dremel/ | The Flight Of The Dremel | Jenny List | [
"drone hacks"
] | [
"dremel tool",
"helicopter",
"power tool",
"rotary tool"
] | A few months ago we featured a model aircraft whose power plant came courtesy of an angle grinder. It was the work of [Peter Sripol], and it seems he was beseiged by suggestions afterwards that he might follow it up with a helicopter built using a Dremel rotary tool.
Which he duly did
, and the results can be seen in t... | 12 | 6 | [
{
"comment_id": "6567184",
"author": "Javier",
"timestamp": "2023-01-05T09:19:26",
"content": "i just want that laugh and attitude when failures happen. It will get me everywhere!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6567282",
"author": "The Comm... | 1,760,372,441.468282 | ||
https://hackaday.com/2023/01/04/a-white-light-laser-on-the-cheap/ | A White-Light Laser, On The Cheap | Dan Maloney | [
"Laser Hacks",
"Science"
] | [
"fiber",
"laser",
"non-linear",
"silica",
"single mode",
"spectra",
"stilbene",
"supercontinuum"
] | Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics, a lot of things that seem impossible aren’t really, as demonstrated by
this dirt-cheap supercontinuum laser
.
Of course, we’re not e... | 51 | 7 | [
{
"comment_id": "6567202",
"author": "Esa Räikkönen",
"timestamp": "2023-01-05T09:53:02",
"content": "You get a donut mode because the fiber is not single mode at visible wavelengths. The core is too large.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6567... | 1,760,372,441.926316 | ||
https://hackaday.com/2023/01/04/stewart-platform-keeps-its-eye-on-the-ball/ | Stewart Platform Keeps Its Eye On The Ball | Al Williams | [
"Robots Hacks"
] | [
"ball balance",
"pid",
"Stewart platform"
] | Although billed as a balancing robot, [Aaed Musa’s] robot doesn’t balance itself. It
balances a ball on a platform
. You might recognize this as something called a Stewart platform, and they are great fun at parties if you happen to party with a bunch of automation-loving hackers, that is. Take a look at the video belo... | 4 | 2 | [
{
"comment_id": "6567297",
"author": "Paul",
"timestamp": "2023-01-05T13:42:17",
"content": "I can’t be arsed to click through two videos, but why does it need a full 6DOF Stewart platform? You only need 2 degrees of freedom to balance a ball on a plate.",
"parent_id": null,
"depth": 1,
... | 1,760,372,441.836138 | ||
https://hackaday.com/2023/01/04/zen-and-glowing-air-bubble-displays/ | Zen And Glowing Air Bubble Displays | Elliot Williams | [
"classic hacks",
"clock hacks"
] | [
"bubble display",
"clock",
"glowing",
"led"
] | When you work in a medium for long enough, and you learn how it works more and more deeply, you eventually become its master. [Yukio Shinoda] is probably
master of the LED bubble display
.
She started out with an idea, back in 1994, of a column of water and an array of solenoids to inject air, making patterns in the bu... | 10 | 6 | [
{
"comment_id": "6567013",
"author": "Ostracus",
"timestamp": "2023-01-05T00:38:20",
"content": "That’s actually pretty.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6567024",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2... | 1,760,372,441.974321 | ||
https://hackaday.com/2023/01/04/an-epic-quest-to-build-the-ultimate-game-boy/ | An Epic Quest To Build The Ultimate Game Boy | Tom Nardi | [
"Nintendo Game Boy Hacks"
] | [
"DMG-01",
"drop in replacements",
"game boy",
"game boy color"
] | If you didn’t grow up clutching Nintendo’s original DMG-01 Game Boy, it might difficult to see the appeal in 2023. It had the ergonomics of a brick, the system’s unlit LCD screen utilized a somewhat nauseating green color palette, and when compared to its contemporary competition like the Sega Game Gear or Atari Lynx, ... | 8 | 2 | [
{
"comment_id": "6566964",
"author": "Quinn",
"timestamp": "2023-01-04T23:01:12",
"content": "“If you didn’t grow up clutching Nintendo’s original DMG-01 Game Boy, it might difficult to see the appeal in 2023.”Where I lived, in 1991 original GameBoy cost as much as two months wage of university lect... | 1,760,372,442.157613 | ||
https://hackaday.com/2023/01/04/machine-learning-makes-sure-your-lols-are-genuine/ | Machine Learning Makes Sure Your LOLs Are Genuine | Dan Maloney | [
"Machine Learning"
] | [
"chortle",
"chuckle",
"EdgeImpulse",
"laugh",
"lol",
"machine learning",
"model",
"ROTFL",
"Seeeduino Xiao",
"Teensy"
] | There was a time not too long ago when “LOL” actually meant something online. If someone went through the trouble of putting LOL into an email or text, you could be sure they were actually LOL-ing while they were typing — it was part of the social compact that made the Internet such a wholesome and inviting place. But ... | 13 | 8 | [
{
"comment_id": "6566931",
"author": "𐂀 𐂅",
"timestamp": "2023-01-04T21:38:33",
"content": "The next step would be an automatic emotion logger with a timeline and a “share emotion event” approval function, you could even have access control for your emotions with some people seeing the full stream... | 1,760,372,443.960393 | ||
https://hackaday.com/2023/01/04/somethings-rotating-in-the-state-of-denmark-a-clock/ | Something’s Rotating In The State Of Denmark: A Clock | Al Williams | [
"clock hacks",
"Hackaday Columns"
] | [
"astronomical clock",
"clock",
"mechanical clock"
] | If you visit the Copenhagen City Hall, you’ll see an ornate mechanical clock. By itself, this is unremarkable, of course. There are plenty of ornate clocks in city halls around the world, but this one has a fascinating backstory that starts with a locksmith named
Jan
Jens Olsen. Unfortunately, Jens didn’t actually comp... | 15 | 11 | [
{
"comment_id": "6566842",
"author": "Spesman0190 (@spesman0190)",
"timestamp": "2023-01-04T18:10:59",
"content": "You managed to misspell his name only 8 times",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6566844",
"author": "mh",
"timestamp": "2023... | 1,760,372,444.245194 | ||
https://hackaday.com/2023/01/04/a-homebrew-smd-vise-built-from-scrap-wood/ | A Homebrew SMD Vise Built From Scrap Wood | Al Williams | [
"Tool Hacks"
] | [
"PCB vise",
"smd"
] | We don’t see too many wooden projects around these parts, but when
[olikraus] turned a few pieces of scrap lumber into a functional SMD vise
, how could we not take notice? The idea is simple. Two pieces of wood with slots in them hold the PCB. Two other pieces form an arm with an adjustable needle that can hold down t... | 23 | 8 | [
{
"comment_id": "6566817",
"author": "elwing",
"timestamp": "2023-01-04T17:19:55",
"content": "Neat, I am using kapton tape to old tje smd components, the rare times when I solder smd but this seems so much better…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,443.895049 | ||
https://hackaday.com/2023/01/04/all-about-usb-c-resistors-and-emarkers/ | All About USB-C: Resistors And Emarkers | Arya Voronova | [
"Featured",
"Original Art",
"Skills"
] | [
"emarker",
"Type-C",
"usb",
"USB C",
"USB Type-C",
"USB-C PD",
"vconn"
] | If you’ve been following along our USB-C saga, you know that the CC wire in the USB-C cables is used for communications and polarity detection. However, what’s not as widely known is that there are two protocols used in USB-C for communications – an analog one and a digital one. Today, let’s look at the analog signalli... | 21 | 7 | [
{
"comment_id": "6566782",
"author": "pelrun",
"timestamp": "2023-01-04T16:12:43",
"content": "“The question I’ve seen nobody ask, was – why did they do it?”I thought it was stated pretty explicitly at the time that it was a simple case of misunderstanding the standard, not having any emarker cables... | 1,760,372,444.093617 | ||
https://hackaday.com/2023/01/04/squeezing-a-minimalist-6502-retrocomputer-onto-a-single-breadboard/ | Squeezing A Minimalist 6502 Retrocomputer Onto A Single Breadboard | Dan Maloney | [
"Retrocomputing"
] | [
"6502",
"6507",
"6522",
"6532",
"MOS",
"ram",
"rom",
"SBC",
"solderless breadboard"
] | Over the years, and especially lately, we’ve seen tons of single-board retrocomputer builds. That’s fine with us — the more, the merrier. But they all start to run together a bit, with little to distinguish between them. Not so
this about-as-compact-as-possible 6502 computer that fits on a single breadboard
.
Now, when... | 11 | 5 | [
{
"comment_id": "6566687",
"author": "joe R",
"timestamp": "2023-01-04T12:47:57",
"content": "the 6507 was a customized version of the 6502 that was initially mad exclusively for Atari. The original ones didn’t even have 6507 anywhere on the chip. It was designed for the Atari vcs and later used i... | 1,760,372,444.304318 | ||
https://hackaday.com/2023/01/04/bypass-defective-stdp9320-video-controller-on-wacom-cintiq-companion-2/ | Bypass Defective STDP9320 Video Controller On Wacom Cintiq Companion 2 | Maya Posch | [
"Repair Hacks"
] | [
"cintiq",
"wacom"
] | Some products seem to have a part of two that’s pretty much guaranteed to end up dying on you. In the case of the 2015-vintage Wacom Cintiq Companion 2, this turns out to be the so-called Athena chip, which switches the display input between the HDMI port and internal display controller. This allows for use in both sta... | 8 | 3 | [
{
"comment_id": "6566628",
"author": "Iván Stepaniuk",
"timestamp": "2023-01-04T09:45:49",
"content": "This is amazing work. I’m wondering, if this something that happens often, wouldn’t it make sense to make a bypass PCB that has the same BGA footprint and can be soldered onto the board as it was ... | 1,760,372,443.773885 | ||
https://hackaday.com/2023/01/03/near-field-emi-probes-any-good/ | Near Field EMI Probes: Any Good? | Al Williams | [
"Tool Hacks"
] | [
"emi probe",
"spectrum analyzer"
] | [Learnelectronics] purchased some
near-field EMI probes
for his tiny spectrum analyzer for about $5 on sale. Could they be any good at that price? Watch the video below and find out.
The probes arrived as a kit with four probes: three circular ones for sensing the H field and a stubby probe for sensing E fields (althou... | 17 | 10 | [
{
"comment_id": "6566568",
"author": "PWalsh",
"timestamp": "2023-01-04T06:08:23",
"content": "> The probes arrived as a kit with four problemsDid you mean to say “problems”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6566575",
"author": "pelrun"... | 1,760,372,444.428947 | ||
https://hackaday.com/2023/01/03/continuous-printing-on-lcd-resin-printer-no-more-wasted-time-on-peeling-is-it-possible/ | Continuous Printing On LCD Resin Printer: No More Wasted Time On Peeling? Is It Possible? | Maya Posch | [
"3d Printer hacks"
] | [
"3D resin printer",
"FEP",
"sla"
] | Anyone who has done any amount of 3D printing with SLA printers is probably well aware of the peeling step with each layer. This involves the newly printed layer being pulled away from the FEP film that is attached to the bottom of the resin vat. Due to the forces involved, the retraction speed of the build plate on th... | 20 | 9 | [
{
"comment_id": "6566585",
"author": "Chris",
"timestamp": "2023-01-04T07:39:24",
"content": "Carbon doesn’t use an lcd, they use a projector. I don’t think this would be possible with an lcd since the lcd screen needs to be right up against the membrane to reduce light bleed from light that isn’t p... | 1,760,372,443.831156 | ||
https://hackaday.com/2023/01/03/hp-33120a-repair-shutting-down-the-eye-of-sauron/ | HP 33120A Repair: Shutting Down The Eye Of Sauron | Maya Posch | [
"Repair Hacks"
] | [
"HP33120A"
] | When a friend of [Tom Verbeure] came into possession of two HP 33120A 15 MHz function/arbitrary waveform generators, he could not resist giving them a try. Although not exactly high-end units, the HP 33120A makes for a pretty nice unit for a home lab. During the first test run, however, [Tom] discovered that one of the... | 22 | 7 | [
{
"comment_id": "6566493",
"author": "smellsofbikes",
"timestamp": "2023-01-04T00:11:15",
"content": "Having done this: take a file to the hole after drilling. It’s really easy for a drill to wipe metal from a ground plane down to contact other traces or a power plane. If you use a fine file and g... | 1,760,372,444.026217 | ||
https://hackaday.com/2023/01/03/the-crawlspace-crawler/ | The Crawlspace Crawler | Elliot Williams | [
"classic hacks"
] | [
"crawler",
"FPV",
"radio control"
] | This crawlspace crawler FPV robot is a fairly simple build. [Jeff G] bought a boxy chassis kit with frame, motors, and wheels, mounted lights and camera, and
we get to see it in action
(video, embedded below).
As always, the details are where it’s at, and his overview covers most of the high points. [Jeff] went for rel... | 35 | 11 | [
{
"comment_id": "6566425",
"author": "Eric Mockler",
"timestamp": "2023-01-03T21:05:45",
"content": "I’ve used an RC car to run a pull string for ethernet cable up in a drop ceiling. In a big Burlington Coat Factory, saved moving the ladder probably 20x, it wasn’t FPV, we could hear where it was fro... | 1,760,372,444.378242 | ||
https://hackaday.com/2023/01/03/fool-a-drone-with-a-fixed-battery/ | Fool A Drone With A Fixed Battery | Jenny List | [
"Battery Hacks"
] | [
"battery",
"bms",
"lithium ion"
] | Lithium-ion and lithium-polymer rechargeable batteries have given us previously impossible heights of electronics power and miniaturization, but there’s a downside they have brought along with them. When a battery pack has to contain electronics for balancing cells, it’s very easy for a manufacturer to include extra fu... | 21 | 9 | [
{
"comment_id": "6566398",
"author": "ytrewq",
"timestamp": "2023-01-03T20:02:11",
"content": "Chipped batteries, oh my! This drone goes straight in my do not buy list, no matter how good it may be.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6566424",
... | 1,760,372,444.657332 | ||
https://hackaday.com/2023/01/03/the-problem-with-passwords/ | The Problem With Passwords | Jenny List | [
"Hackaday Columns",
"Rants",
"Security Hacks",
"Slider"
] | [
"passwords",
"security",
"security theatre"
] | By now it’s probable that most readers will have heard about LastPass’s “
Security Incident
“, in which users’ password vaults were lifted from their servers. We’re told that the vaults are encrypted such that they’re of little use to anyone without futuristic computing power and a lot of time, but the damage is still ... | 129 | 38 | [
{
"comment_id": "6566365",
"author": "Frankel",
"timestamp": "2023-01-03T18:27:52",
"content": "No word on 2FA and second factor? No word on self-hosting with vaultwarden?Remember kids:The “cloud” is just someone else’s PC. If I make a mistake it is my fault, if someone else makes a mistake with my ... | 1,760,372,444.832651 | ||
https://hackaday.com/2023/01/03/veteran-polaroid-camera-lives-again-with-film-conversion/ | Veteran Polaroid Camera Lives Again, With Film Conversion | Jenny List | [
"classic hacks"
] | [
"instant film",
"Instax",
"polaroid"
] | Browsing the thrift stores will net an amazing array of old cameras for dirt cheap prices, meaning that a film enthusiast can have plenty of fun without wasting money they could spend on the film itself. Unfortunately many of the more interesting cameras are those which use film long out of production, leaving the phot... | 8 | 6 | [
{
"comment_id": "6566326",
"author": "Brenda",
"timestamp": "2023-01-03T16:35:22",
"content": "As a kid, when I saw one of those in a drug-store, I wanted one!Edward Land:https://en.wikipedia.org/wiki/Edwin_H._Land",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,372,444.527028 | ||
https://hackaday.com/2023/01/03/2022-as-the-hardware-world-turns/ | 2022: As The Hardware World Turns | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"artificial intelligence",
"chip shortage",
"electric vehicles",
"Hackaday Supercon",
"Year in Review"
] | Well folks, we made it through another one. While it would be a stretch to call 2022 a good year for those of us in the hacking and making community, the light at the end of the tunnel does seem decidedly brighter now than it did this time 365 days ago. It might even be safe to show some legitimate optimism for the yea... | 30 | 10 | [
{
"comment_id": "6566289",
"author": "paulvdh",
"timestamp": "2023-01-03T15:14:24",
"content": "I’m sorry about your stock. With the twitter debacle it looks like Musk is going the same way as Hughes.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6566355",
... | 1,760,372,444.602531 | ||
https://hackaday.com/2023/01/03/wearable-skobots-full-of-steam-and-vanishing-indigenous-languages/ | Wearable SkoBots Full Of STEAM And Vanishing Indigenous Languages | Michael Shaub | [
"Robots Hacks"
] | [
"education",
"educational robot",
"female tech",
"indigenous"
] | [Danielle Boyer] is Ojibwe: Sault Ste Marie Tribe and passionate about preserving vanishing indigenous languages. She’s invented a shoulder-worn talking companion,
called a SkoBot
, to teach STEAM to children through building robots programmed with indigenous language lessons and founded the STEAM Connection to give th... | 12 | 6 | [
{
"comment_id": "6566211",
"author": "Mystick",
"timestamp": "2023-01-03T12:21:26",
"content": "For some unknown reason, I am craving the delicious, satisfying beverage Slurm…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6566359",
"author": "kaaaaa... | 1,760,372,444.935422 | ||
https://hackaday.com/2023/01/03/a-single-ended-vacuum-tube-amplifier-with-a-modern-twist/ | A Single Ended Vacuum Tube Amplifier With A Modern Twist | Jenny List | [
"home entertainment hacks"
] | [
"stereo",
"tube amp",
"valve amp"
] | Despite the oldest solid state audio circuitry now qualifying for a pension and a bus pass where this is being written, the thermionic tube retains a foothold in the world of audio — cherished by enthusiasts for the warm sound it is claimed to impart. For the electronics enthusiast a tube audio amplifier makes for an ... | 40 | 11 | [
{
"comment_id": "6566159",
"author": "tg",
"timestamp": "2023-01-03T09:30:19",
"content": "Gotta have the fancy expensive tubes just to flex on them",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6566216",
"author": "justsayin",
"timestamp": ... | 1,760,372,445.070425 | ||
https://hackaday.com/2023/01/02/holographic-cellphones-coming-thanks-to-ai/ | Holographic Cellphones Coming Thanks To AI | Al Williams | [
"Science"
] | [
"ai",
"artificial neural network",
"holograms",
"tensorflow"
] | Issac Asimov foresaw 3D virtual meetings but gave them the awkward name “tridimensional personification.” While you could almost do this now with VR headsets and 3D cameras, it would be awkward at best. It is easy to envision conference rooms full of computer equipment and scanners, but an MIT student has a method that... | 21 | 13 | [
{
"comment_id": "6566115",
"author": "aki009",
"timestamp": "2023-01-03T07:31:26",
"content": "Every time this topic comes up, nirvana is just around the corner and the latest thing is the magic key to unlock the future. For the time being I’ll put this latest thing in the same bucket with the previ... | 1,760,372,444.99334 | ||
https://hackaday.com/2023/01/02/whats-new-from-1927/ | What’s New, From 1927 | Jenny List | [
"History"
] | [
"1927",
"copyright",
"internet archive",
"public domain"
] | Here we are at the start of the new year, which for the Internet Archive means
a note about what has just entered the public domain
. 1927’s finest previously copyrighted materials are now up for grabs in the public domain, which means there’s a treasure trove of films, books, and music to freely copy and remix.
Their ... | 13 | 9 | [
{
"comment_id": "6566015",
"author": "SB5K",
"timestamp": "2023-01-03T03:10:42",
"content": "Metropolis is a masterpiece. I saw it in college in the 1970’s and we were amazed by the special effects. Scenes from it now are visual tropes, like the man working the dial like a clock face with a lot of f... | 1,760,372,444.880829 | ||
https://hackaday.com/2023/01/02/all-aboard-the-garbage-express/ | All Aboard The Garbage Express | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"bin",
"CAN",
"cog",
"garbage",
"home",
"rack and pinion",
"rail",
"remote control"
] | Cog railways are a somewhat unusual way of train locomotion, typically only installed when a train needs to climb steep terrain. Any grade above about 10% needs the extra traction since the friction between the wheels and rails won’t be enough to push the train forward or keep it from falling backwards. Even without a ... | 39 | 11 | [
{
"comment_id": "6565952",
"author": "paulvdh",
"timestamp": "2023-01-03T00:43:47",
"content": "It sure looks cool and it also looks like it works, but there is one thing I’ve got some doubt about.How do you get a garbage bin off the cart when it is full? The wheels are on the wrong side.At 13:56 he... | 1,760,372,445.283539 | ||
https://hackaday.com/2023/01/02/the-whole-thing-in-python/ | The Whole Thing In Python | Elliot Williams | [
"Peripherals Hacks"
] | [
"PCB design",
"python"
] | [hsgw] built a macropad in Python, and that’s not a strange language to choose to program the firmware in these days. But that’s just the tip of the iceberg. The whole process — from schematic capture, through routing and generating the PCB, and even extending to making the case —
was done programmatically, in Python
.... | 6 | 4 | [
{
"comment_id": "6565856",
"author": "stappers",
"timestamp": "2023-01-02T21:23:59",
"content": "Based upon XIAO RP2040 (https://wiki.seeedstudio.com/XIAO-RP2040/)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6565909",
"author": "Iván Stepaniuk",
... | 1,760,372,445.113093 | ||
https://hackaday.com/2023/01/02/a-bicycle-trailer-fit-for-heavy-haulage/ | A Bicycle Trailer Fit For Heavy Haulage | Jenny List | [
"Transportation Hacks"
] | [
"bicycle",
"bike trailer",
"cycling"
] | One of the problems of being a cyclist is that a bicycle just isn’t designed to carry much more than a human. You can get panniers and hang shopping bags from the handlebars, but sooner or later there’s a load which just doesn’t fit. At that point there’s only one way forward that involves staying on two wheels: find a... | 7 | 4 | [
{
"comment_id": "6565792",
"author": "Michael Black",
"timestamp": "2023-01-02T18:33:08",
"content": "There’s a moving company here in Montreal that moves by bicycle. Obviously multiple trips. I think no special bikes, just trailers.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,372,445.331923 | ||
https://hackaday.com/2023/01/02/supercon-2022-badge-gets-a-tinkering-helper-add-on/ | Supercon 2022 Badge Gets A Tinkering Helper Add-on | Arya Voronova | [
"cons",
"Tool Hacks"
] | [
"2022 Hackaday Supercon",
"badge hacking",
"CP2102"
] | Are you one of the lucky ones to own a Hackaday Supercon 2022 badge? Would you like to make it even easier to program than it already is? [brokebit] has exactly the project you might’ve been dreaming of all along —
it’s a Supercon 2022 Badge programming adapter
. With pass-through for all badge pins, four buttons, a to... | 3 | 2 | [
{
"comment_id": "6565932",
"author": "macsimski",
"timestamp": "2023-01-03T00:02:43",
"content": "Six layers?? Is this the hardware equivalent of software development bloatware?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565964",
"author": "Arya... | 1,760,372,445.370801 | ||
https://hackaday.com/2023/01/02/generative-music-created-in-minimalistic-javascript-code/ | Generative Music Created In Minimalistic Javascript Code | Joseph Long | [
"digital audio hacks",
"Musical Hacks"
] | [
"generative art",
"javascript",
"music synthesis"
] | Dittytoy user [srtuss] has recreated one of the most influential works of electronic music in an elegant nineteen kilobytes of Javascript code. The
recreation of Jean-Michel Jarre’s Oxygene Part IV
on the Dittytoy platform, currently in beta, plays live right in your browser.
Dittytoy
empowers users to create generativ... | 10 | 4 | [
{
"comment_id": "6565578",
"author": "Gravis",
"timestamp": "2023-01-02T12:27:51",
"content": "That’s cool but DittyToy has serious performance issues during playback when used with Firefox.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565673",
"a... | 1,760,372,445.420752 | ||
https://hackaday.com/2023/01/02/diyson-lamp-hides-cables-between-the-seams/ | DIYson Lamp Hides Cables Between The Seams | Sonya Vasquez | [
"Misc Hacks"
] | [
"cable management",
"flexible flat cable"
] | [Steven Bennett] is so fond of Dyson’s new Lightcycle lamp that he’s decided to clone
his own version in the spirit of the original
. Dyson, however, knows what makes their lamp so special — so much that they patented their technique for tucking away the power wiring. Undaunted, [Steven]’s latest challenge has been to ... | 52 | 15 | [
{
"comment_id": "6565524",
"author": "Lukilukeskywalker",
"timestamp": "2023-01-02T10:40:46",
"content": "It looks like Dyson really likes to patent anything…I feel there is nothing patentable to that Design… Power Transmission to a movable system has already existed for a few decades and the system... | 1,760,372,445.512387 | ||
https://hackaday.com/2023/01/01/snow-plowing-by-bicycle/ | Snow Plowing By Bicycle | Bryan Cockfield | [
"Transportation Hacks"
] | [
"55 gallon",
"bicycle",
"bike",
"cargo bike",
"ebike",
"infrastructure",
"plow",
"snow",
"transportation",
"winter"
] | There are few challenges more difficult or dangerous than trying to get around the majority of North American cities by bicycle. Not only is the bicycle infrastructure woefully inadequate for safe travel (if it exists at all), but it’s often not maintained to any reasonable standard, either. This goes double in colder ... | 44 | 13 | [
{
"comment_id": "6565426",
"author": "punkdigerati",
"timestamp": "2023-01-02T07:26:53",
"content": "I’ve been wondering if there is a way I could do something like this but for general detritus on the bike path. Might be able to avoid some goats heads or other puncture hazards. Maybe just attach a ... | 1,760,372,445.656074 | ||
https://hackaday.com/2023/01/01/aioc-the-ham-radio-all-in-one-cable-for-audio-and-aprs/ | AIOC: The Ham Radio All-In-One Cable For Audio And APRS | Dave Rowntree | [
"Radio Hacks"
] | [
"APRS",
"audio",
"AX.25",
"baofeng",
"ptt",
"STM32F3",
"tty",
"usb",
"USB C"
] | The
Ham Radio All-in-one cable (AIOC)
is a small PCB attachment for a popular series of radio transceivers which adds a USB-attached audio interface and virtual TTY port for programming and the push-to-talk function. The STM32F373 microcontroller (which, sadly is still hard to find in the usual channels) is a perfect f... | 23 | 8 | [
{
"comment_id": "6565303",
"author": "true",
"timestamp": "2023-01-02T03:25:02",
"content": "There is no link to project details in the article.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565581",
"author": "itomato",
"timestamp": "2023-... | 1,760,372,445.57795 | ||
https://hackaday.com/2023/01/01/electronics-explained-with-mechanical-devices/ | Electronics Explained With Mechanical Devices | Arya Voronova | [
"how-to"
] | [
"educational circuits",
"educational toy",
"electronics through mechanics",
"eletronics education",
"learning electronics",
"mechanical computer"
] | It can be surprisingly hard to find decent analogies when you’re teaching electronics basics. The water flow analogy, for instance, is decent for explaining Ohm’s law, but it breaks down pretty soon thereafter.
Hydraulics aren’t as easy to set up when you want an educational toykit for your child to play with, which le... | 16 | 3 | [
{
"comment_id": "6565207",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-01-02T00:38:50",
"content": "“using chains, gears, springs and to”belts?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565213",
"author": "The Commenter ... | 1,760,372,445.705409 | ||
https://hackaday.com/2023/01/01/ledcard-the-pocketable-ring-light/ | LEDCard: The Pocketable Ring Light | Maya Posch | [
"LED Hacks",
"Tool Hacks"
] | [
"led",
"LEDCard",
"right light"
] | How many times have you found yourself fumbling about with lighting while trying to get a clear up-close shot of an object? Although smartphones come with pretty nice cameras these days, properly lighting an object and taking impressive macro shots isn’t exactly their strong suit. This is where [MisterHW]’s
LEDCard
is ... | 17 | 5 | [
{
"comment_id": "6565140",
"author": "Paul",
"timestamp": "2023-01-01T22:47:16",
"content": "Now, level up by putting a polarizing filter over the LEDs, and another over the lens, rotated 90 degrees to block specular reflection: It entirely blocks the direct reflection from the LEDs, and dramaticall... | 1,760,372,445.838499 | ||
https://hackaday.com/2023/01/01/use-usb-c-chargers-to-top-up-li-ion-packs-with-this-hack/ | Use USB-C Chargers To Top Up Li-Ion Packs With This Hack | Arya Voronova | [
"Battery Hacks"
] | [
"CC/CV",
"liion",
"lithium charging",
"PPS",
"Type-C",
"USB Type-C",
"USB-C PD",
"USB-PD",
"usbc"
] | In USB-C Power Delivery (PD) standard, the PPS (Programmable Power Supply) mode is an optional mode that lets you request a non-standard voltage from a charger, with the ability to set a current limit of your choice, too. Having learned this, [Jason] from [Rip It Apart] decided to investigate — could this feature be us... | 5 | 2 | [
{
"comment_id": "6565004",
"author": "Raster",
"timestamp": "2023-01-01T18:40:48",
"content": "I wouldn’t leave the current limitation to a random USB-C power source…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565482",
"author": "Jimmy Z",
... | 1,760,372,445.785346 | ||
https://hackaday.com/2023/01/01/a-diy-pulse-tube-cryocooler-in-the-quest-for-home-made-liquid-nitrogen/ | A DIY Pulse Tube Cryocooler In The Quest For Home-Made Liquid Nitrogen | Maya Posch | [
"Science"
] | [
"cryo-cooler",
"cryocooler",
"liquid nitrogen",
"nitrogen",
"physics"
] | What if you have a need for liquid nitrogen, but you do not wish to simply order it from a local supplier? In that case you can build your very own pulse tube cryocooler, as [Hyperspace Pirate] is in the process of doing over at YouTube. You can catch
part 1
using a linear motor and
part 2
using a reciprocating piston-... | 5 | 5 | [
{
"comment_id": "6564911",
"author": "Frankel",
"timestamp": "2023-01-01T16:26:40",
"content": "Thanks for the article, this was an incredible watch! I hope he can pull it off, but the results of part 2 look promising.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_... | 1,760,372,445.889963 | ||
https://hackaday.com/2023/01/01/this-fingernail-sticker-can-detect-when-you-stop-breathing/ | This Fingernail Sticker Can Detect When You Stop Breathing | Orlando Hoilett | [
"Wearable Hacks"
] | [
"Empatica",
"fitbit",
"photoplethysmography",
"PPG",
"wireless power transfer"
] | Sometimes we dig through the archives to see what kind of crazy hacks we can pull out of the depths of the world wide web and this one was worth sharing. Researchers at Northwestern University developed a
sticker that’s applied to the fingernail and measures heart rate, motion, and blood oxygen, all without a battery
.... | 8 | 6 | [
{
"comment_id": "6564875",
"author": "Gravis",
"timestamp": "2023-01-01T15:30:26",
"content": "Flooding a hospital room with a 13.56 MHz signal seems problematic considering they do everything to avoid RF emissions. However, I think this would be great for hospice care or at home care.",
"paren... | 1,760,372,446.087393 | ||
https://hackaday.com/2023/01/01/nabu-pc-gets-cpu-upgrade-emulates-a-trs-80/ | NABU PC Gets CPU Upgrade, Emulates A TRS-80 | Robin Kearey | [
"classic hacks",
"Retrocomputing"
] | [
"emulation",
"NABU",
"nabu PC",
"Teensy",
"trs-80"
] | The NABU PC caused a bit of a buzz in the retrocomputing community a couple weeks back. After all, it doesn’t happen often that a huge batch of brand-new computers from the 1980s suddenly becomes available on eBay. Out of the box, the computer itself isn’t that useful: with no internal storage, or any application softw... | 11 | 5 | [
{
"comment_id": "6564776",
"author": "Joshua",
"timestamp": "2023-01-01T12:52:01",
"content": "I think it’s impressive that so many people contribute something to an 8-Bit system and that it kind of awakens the Canadian thinkerer’s/homebrew scene.On the other hand.. I think the Z80 was fine and I ca... | 1,760,372,446.035729 | ||
https://hackaday.com/2022/12/31/raspberry-pi-and-pplogger-make-a-low-cost-chemiluminescence-detector/ | Raspberry Pi And PpLOGGER Make A Low-Cost Chemiluminescence Detector | Orlando Hoilett | [
"chemistry hacks",
"Science"
] | [
"electrochemistry",
"open source science",
"potentiostat"
] | [Laena] and her colleagues at the La Trobe Institute for Molecular Science in Melbourne, Australia used a Raspberry Pi to make a
low-cost electrochemiluminescence (ECL) detector
to measure inflammation markers, which could be used to detect cardiovascular disease or sepsis early enough to give doctors a better chance a... | 11 | 3 | [
{
"comment_id": "6564687",
"author": "Larry",
"timestamp": "2023-01-01T10:30:54",
"content": "If that includes a Rpi then that’s pretty cheap 🤣",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6564752",
"author": "olaf",
"timestamp": "2023-01-01T12:04:1... | 1,760,372,445.963837 | ||
https://hackaday.com/2022/12/31/dirty-usb-c-tricks-one-port-for-the-price-of-two/ | Dirty USB-C Tricks: One Port For The Price Of Two | Arya Voronova | [
"computer hacks",
"Reverse Engineering"
] | [
"USB 3",
"usb 3.0",
"USB 3.1",
"USB Type-C",
"usbc"
] | [RichardG] has noticed a weird discrepancy – his Ryzen mainboard ought to have had fourteen USB3 ports, but somehow, only exposed thirteen of them. Unlike other mainboards in this lineup, it also happens to have a USB-C port among these thirteen ports. These two things wouldn’t be related in any way, would they? Turns ... | 48 | 17 | [
{
"comment_id": "6564450",
"author": "SB5K",
"timestamp": "2023-01-01T03:12:36",
"content": "That’s what you get for motherboards designed by SauronOne port to rule them all, one port to bind them, one port to fake you out and on the board hide them",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,446.237331 | ||
https://hackaday.com/2022/12/31/get-to-know-touch-with-this-dev-board/ | Get To Know Touch With This Dev Board | Jenny List | [
"Parts"
] | [
"capacitive touch",
"Sam&Wing A108",
"touch sensor"
] | In the catalogue of the Chinese parts supplier LCSC can be found many parts not available from American or European suppliers, and thus anyone who wants to evaluate them can find themselves at a disadvantage. [Sleepy Pony Labs] had just such a part catch their eye, the Sam&Wing AI08 8 channel capacitive touch controlle... | 5 | 3 | [
{
"comment_id": "6564404",
"author": "Drone",
"timestamp": "2023-01-01T02:12:41",
"content": "AI08 & AI08B, what’s the difference? Both datasheets are 100% in Chinese :-(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6570524",
"author": "Sleepy Pony... | 1,760,372,446.139186 | ||
https://hackaday.com/2022/12/31/kicad-2022-end-of-year-recap-and-7-0-preview/ | KiCad 2022 End-of-Year Recap And 7.0 Preview | Joseph Long | [
"hardware",
"News"
] | [
"design tool",
"KiCAD",
"pcb layout",
"Schematic Capture"
] | [Chris Gammell] moderated the
KiCad 2022 End-of-Year Recap
with several KiCad developers and librarians. They reviewed what’s been bubbling up in the nightly KiCad 6 builds, what we can expect from KiCad 7, and even answered some questions from the user community. Over the course of 2022, the KiCad project has grown bo... | 22 | 5 | [
{
"comment_id": "6564489",
"author": "Conrad Farnsworth",
"timestamp": "2023-01-01T04:23:26",
"content": "God bless this project.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6564603",
"author": "Not Another Version",
"timestamp": "2023-01-01T07:37:1... | 1,760,372,446.407912 | ||
https://hackaday.com/2022/12/31/battery-powered-esp8266-sensor-never-been-simpler/ | Battery-Powered ESP8266 Sensor? Never Been Simpler | Arya Voronova | [
"Arduino Hacks",
"Battery Hacks",
"how-to",
"Wireless Hacks"
] | [
"ESP8266",
"Wemos",
"Wemos d1",
"wemos d1 mini",
"wemos mini d1"
] | Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up every few minutes to do something, and you don’t want to delve into hardware too much for now. Well then, does [Mads Ch... | 23 | 10 | [
{
"comment_id": "6564088",
"author": "mathman",
"timestamp": "2022-12-31T18:05:45",
"content": "Damn, I almost googled what a Lilon battery is…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6564116",
"author": "Arya Voronova",
"timestamp": "... | 1,760,372,446.470938 | ||
https://hackaday.com/2022/12/31/in-praise-of-just-because-hacks/ | In Praise Of “Just Because” Hacks | Elliot Williams | [
"Hackaday Columns",
"Rants",
"Slider"
] | [
"creativity",
"newsletter",
"why we hack"
] | Sometimes you pick a project because the world needs it to be done. Or maybe you or a friend need it. Or maybe you don’t really
need
it, but it fulfills a longstanding dream. In my mind, the last stop before you reach “why am I doing this” is the “just because” hack.
The ideal “just because” hack is limited in scope. Y... | 25 | 11 | [
{
"comment_id": "6563958",
"author": "ono",
"timestamp": "2022-12-31T15:20:26",
"content": "Amen.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6564011",
"author": "Mark",
"timestamp": "2022-12-31T16:33:49",
"content": "Amen",
... | 1,760,372,446.539409 | ||
https://hackaday.com/2022/12/31/want-to-play-with-fpgas-use-your-pico/ | Want To Play With FPGAs? Use Your Pico! | Arya Voronova | [
"FPGA",
"Raspberry Pi"
] | [
"emulation",
"fpga",
"fpga emulation",
"pi pico",
"Raspberry Pi Pico",
"rp2040",
"verilator",
"verilog"
] | Ever want to play with an FPGA, but don’t have the hardware? Now, if you have one of those ever-abundant Pi Picos, you can start playing with Verilog without getting an FPGA board.
The FakePGA project
by [tvlad1234], based on the Verilator toolkit, provides you with a way to compile Verilog into C++ for the RP2040. Fak... | 21 | 7 | [
{
"comment_id": "6563822",
"author": "Hitomi",
"timestamp": "2022-12-31T12:07:21",
"content": ">compile Verilog into C++But then it is not verilog anymore and not even C++. It’s machine code. If a high level language boils only down to mere convenience and experience in using it, you are just limite... | 1,760,372,446.601245 | ||
https://hackaday.com/2022/12/31/if-you-cant-see-a-solar-panel-that-doesnt-mean-its-not-there/ | If You Can’t See A Solar Panel, That Doesn’t Mean It’s Not There | Jenny List | [
"green hacks"
] | [
"roof tile",
"solar cell",
"solar roof"
] | In the shift away from fossil fuel energy sources, there has been a huge expansion in solar power. We’ve seen solar thermal plants in the desert and photovoltaic panel farms covering huge areas of land, but perhaps the most potential comes from placing the panels on rooftops. In some parts of the world this is encourag... | 45 | 12 | [
{
"comment_id": "6563709",
"author": "Tweepy",
"timestamp": "2022-12-31T09:23:51",
"content": "I don’t understand the point of having theses super expensive, low efficiency and hard to install PV modules.Before needing theses, we should already have every industrial building and parking lot covered... | 1,760,372,446.685165 | ||
https://hackaday.com/2022/12/30/turn-a-webpage-into-a-desktop-app-with-gluon/ | Turn A Webpage Into A Desktop App With Gluon | Arya Voronova | [
"Software Hacks"
] | [
"electron",
"javascript",
"web framework"
] | Electron is software for running web-written apps in the same way as native ones, and has gotten plenty of bad press for its RAM appetite around these parts. But while the execution might leave something to be desired, the concept itself is quite solid — if you’ve already got code written for the web, a quick and easy... | 39 | 14 | [
{
"comment_id": "6563598",
"author": "Drone",
"timestamp": "2022-12-31T06:50:56",
"content": "Careful, [CanadaHonk] is Loonie.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6563603",
"author": "Drone",
"timestamp": "2022-12-31T06:56:21",
... | 1,760,372,446.76611 | ||
https://hackaday.com/2022/12/30/audio-old-and-new-meet-in-perfect-harmony/ | Audio Old And New Meet In Perfect Harmony | Jenny List | [
"digital audio hacks"
] | [
"audio",
"digital audio",
"streaming"
] | There’s an uneasy meeting in the world of audio between digital and analogue. Traditional analogue audio reached a level of very high quality, but as old-style media-based audio sources have fallen out of favor there’s a need to replace them with ones that reflect a new digital audio world. To do this there are several... | 20 | 6 | [
{
"comment_id": "6563561",
"author": "IIVQ",
"timestamp": "2022-12-31T05:57:41",
"content": "I have done similar but simpler: A wooden box the width of my amplifier, which sits under it, with a Raspberri Pi (1), a USB power adapter, a mains relay (for detecting the amp is on) and IR inputs, and also... | 1,760,372,446.821877 | ||
https://hackaday.com/2022/12/30/test-your-capacity-for-circuit-sculpture-with-flashing-lights/ | Test Your Capacity For Circuit Sculpture With Flashing Lights | Kristina Panos | [
"classic hacks"
] | [
"1206",
"555",
"555 timer",
"Circuit Sculpture",
"flashing"
] | Have you tried your hand at circuit sculpture yet? Well, if you were waiting for the ideal first project with a great build video to go along with it, keep reading. [4dcircuitry]’s
555-based flashing circuit sculpture
ticks all the go-for-it boxen for us — the component list is short, the final circuit looks cool, and ... | 15 | 4 | [
{
"comment_id": "6563455",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-12-31T02:53:22",
"content": "The secret sauce is…Double stick tape!Great idea!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6563472",
"author": "Nick",
"ti... | 1,760,372,446.960459 | ||
https://hackaday.com/2022/12/30/acoustic-coupler-gets-you-online-through-any-desk-phone/ | Acoustic Coupler Gets You Online Through Any Desk Phone | Robin Kearey | [
"Phone Hacks"
] | [
"acoustic coupler",
"bbs",
"modem"
] | Up until the mid-1980s, connecting a computer to a phone line was tricky: many phone companies didn’t allow the connection of unlicensed equipment to their network, and even if they did, you might still find yourself blocked by a lack of standardized connectors. A simple workaround for all this was an acoustic coupler,... | 48 | 18 | [
{
"comment_id": "6563200",
"author": "David Spencer Lyons",
"timestamp": "2022-12-30T21:18:55",
"content": "How about a game of global thermal nuclear war?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6563438",
"author": "Jeff Axelrod",
"ti... | 1,760,372,446.90791 | ||
https://hackaday.com/2022/12/30/2022-fpv-contest-esp32-powered-fpv-car-uses-javascript-for-vr-magic/ | 2022 FPV Contest: ESP32-Powered FPV Car Uses Javascript For VR Magic | Arya Voronova | [
"Robots Hacks",
"Virtual Reality"
] | [
"2022 FPV Contest",
"hackaday.io",
"javascript",
"samsung gear vr",
"vr",
"WebGL",
"webxr"
] | You don’t always need much to build an FPV rig – especially if you’re willing to take advantage of the power of modern smartphones. [joe57005] is showing off
his VR FPV build
– a fully-printable small Mechanum wheels car chassis, equipped with an ESP32-CAM board serving a 720×720 stream through WiFi. The car uses regul... | 5 | 3 | [
{
"comment_id": "6563108",
"author": "spiritplumber",
"timestamp": "2022-12-30T19:07:55",
"content": "https://www.youtube.com/watch?v=XbKIo50a4_4May we enter this in the contest?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6563115",
"author": "Joe57005"... | 1,760,372,447.629226 | ||
https://hackaday.com/2022/12/30/hackaday-podcast-199-ferrofluid-follies-decentralized-chaos-and-ntsc-for-you-and-me/ | Hackaday Podcast 199: Ferrofluid Follies, Decentralized Chaos, And NTSC For You And Me | Kristina Panos | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | This week, Editor-in-Chief Elliot Williams and Assignments Editor Kristina Panos decided against using one of Kristina’s tin can microphones to record the podcast, though that might be a cool optional thing to do once (and then probably never again).
After a brief foray into the news that the Chaos Communications Congr... | 5 | 3 | [
{
"comment_id": "6563783",
"author": "Davidmh",
"timestamp": "2022-12-31T11:19:11",
"content": "The promised gif of the Jolly Ranger is missing from the notes!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6565015",
"author": "Elliot Williams",
... | 1,760,372,447.010222 | ||
https://hackaday.com/2022/12/30/logic-gate-game-is-fun-and-educational/ | Logic Gate Game Is Fun AND Educational | Kristina Panos | [
"Games",
"Raspberry Pi"
] | [
"game",
"logic",
"logic gates",
"raspberry pi",
"Raspberry Pi Pico"
] | How well do you know your logic gates? For their final submission for STEM Projects class, [BKriet] gamified the situation using a Raspberry Pi Pico, some blinkenlights, and a not-insignificant amount of 3D printing. The result is
Name! That! Gate!
, a fun and educational toy that [BKriet] ultimately donated back to th... | 1 | 1 | [
{
"comment_id": "6655030",
"author": "Marcelo Cuin",
"timestamp": "2023-06-22T12:26:57",
"content": "Congratulations on the project! Do you have a video showing how it works? Thanks.",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,447.24709 | ||
https://hackaday.com/2022/12/30/this-week-in-security-adblock-for-security-proxynotshell-lives-and-cvss-10-to-not-worry-about/ | This Week In Security: Adblock For Security, ProxyNotShell Lives, And CVSS 10 To Not Worry About | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"linux",
"password manager",
"ransomware",
"samba",
"This Week in Security"
] | The ubiquity of ransomware continues, this time with
The Guardian announcing they were partially shut down
from an attack. Staff are working from home as the incident is being investigated and data is recovered. Publishing seems to be continuing, and the print paper ran as expected.
There have been a couple reports pub... | 14 | 8 | [
{
"comment_id": "6562968",
"author": "Jeff",
"timestamp": "2022-12-30T16:17:39",
"content": "I’m not much of a hacker but wonder if the G-Home takeover tactic can be deployed against other devices like the Ring cameras",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,372,447.29827 | ||
https://hackaday.com/2022/12/30/a-fun-low-cost-start-for-your-macropad-hobby/ | A Fun Low-Cost Start For Your Macropad Hobby | Arya Voronova | [
"Microcontrollers",
"Peripherals Hacks"
] | [
"CircuitPython",
"kmk",
"macro pad",
"macropad",
"pi pico",
"Raspberry Pi Pico"
] | If you were ever looking for a small relaxing evening project that you could then use day-to-day, you gotta consider the
Pico Hat Pad kit by [Natalie the Nerd]
. It fits squarely within the Pi Pico form-factor, giving you two buttons, one rotary encoder and two individually addressable LEDs to play with. Initially, thi... | 7 | 2 | [
{
"comment_id": "6563802",
"author": "qwrwer",
"timestamp": "2022-12-31T11:35:06",
"content": "many people probably need more keysarrows + esc , enter.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6563899",
"author": "Kidpixo",
"timestamp":... | 1,760,372,447.208203 | ||
https://hackaday.com/2022/12/28/2022-fpv-contest-get-the-train-drivers-view-in-your-n-scale-railway/ | 2022 FPV Contest: Get The Train Driver’s View In Your N-Scale Railway | Robin Kearey | [
"Misc Hacks"
] | [
"first person view",
"miniature camera",
"model railroad",
"N scale"
] | Model railroaders typically observe their project from high above. It would be neat to see what the world looks like to the residents of your little town, but getting down to their point of view is difficult, especially if you’re working in one of the smaller scales. For those working in the N scale, there’s now an eas... | 23 | 14 | [
{
"comment_id": "6560829",
"author": "Jan",
"timestamp": "2022-12-28T21:09:38",
"content": "Very cool.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6560863",
"author": "azeff73",
"timestamp": "2022-12-28T22:17:46",
"content": "Very nice layout. L... | 1,760,372,447.401561 |
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