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https://hackaday.com/2022/01/06/legopunk-orrery-knows-just-the-right-technics/ | LEGOpunk Orrery Knows Just The Right Technics | Ryan Flowers | [
"Solar Hacks"
] | [
"earth",
"lego",
"lego technic",
"moon",
"orrery",
"sun",
"Technic"
] | Is the unmistakable sound of the shuffling of LEGO pieces being dug through burned into your psyche? Did the catalog of ever more complex Technic pieces send your imagination soaring into the stratosphere and beyond? Judging by the
artful contraption in the video below the break
, we are fairly certain that [Marian] ca... | 6 | 3 | [
{
"comment_id": "6412521",
"author": "YGDES",
"timestamp": "2022-01-07T09:23:23",
"content": "Give your kids LEGO.When they grow up, they won’t have enough money for (other) drugs ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6412549",
"author": "Dan"... | 1,760,372,830.219584 | ||
https://hackaday.com/2022/01/06/hidden-model-railroading-taken-to-the-nth-scale/ | Hidden Model Railroading Taken To The Nth Scale | Ryan Flowers | [
"Misc Hacks"
] | [
"epoxy resin",
"model railroad",
"N scale"
] | Most of us would be pretty happy with ourselves if we made one of those neat “epoxy river” types of art for our home. Not so with prolific maker [Peter Waldraff]. [Peter] is a skilled craftsman with a penchant for hiding model railroads in everyday furniture and fixtures. To this end, he’s created what he calls the Hid... | 6 | 5 | [
{
"comment_id": "6412484",
"author": "ameyring",
"timestamp": "2022-01-07T03:41:40",
"content": "Very cool!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6412502",
"author": "RÖB",
"timestamp": "2022-01-07T07:19:13",
"content": "Wot! No mention th... | 1,760,372,830.262179 | ||
https://hackaday.com/2022/01/06/7-tent-heater-provides-comfort-on-a-budget/ | $7 Tent Heater Provides Comfort On A Budget | Brian McEvoy | [
"how-to"
] | [
"Alcohol burner",
"alcohol jet burner",
"camping",
"cooking",
"cooking stove",
"heater",
"heating stove",
"Homeless",
"isopropyl",
"safety",
"stove",
"tent"
] | At Hackaday’s Minnesota office, we appreciate central heat and hot coffee because the outdoor temperature is sub-zero in Celsius
and
Fahrenheit. Not everyone here has such amenities, and families living in tents could use heater help. If you live somewhere inhospitably cold and have the resources (time being the most c... | 120 | 29 | [
{
"comment_id": "6412355",
"author": "Matt",
"timestamp": "2022-01-06T19:37:01",
"content": "Sadly, in my area the donees would rather drink the fuel rather than burn it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6412358",
"author": "Tom Hargrav... | 1,760,372,831.059369 | ||
https://hackaday.com/2022/01/06/remoticon-2021-unbinare-brings-a-reverse-engineering-toolkit-into-recycling/ | Remoticon 2021: Unbinare Brings A Reverse-Engineering Toolkit Into Recycling | Arya Voronova | [
"cons",
"Hackaday Columns",
"Reverse Engineering",
"Tool Hacks"
] | [
"oi!ster",
"recycling",
"refurbishment",
"reverse engineering",
"stm32",
"unbinare",
"unbprobe",
"unbprobebase",
"unbrk"
] | Unbinare is a small Belgian company at the forefront of hacking e-waste into something useful, collaborating with recycling and refurbishing companies. Reverse-engineering is a novel way to approach recycling, but it’s arguably one of the most promising ways that we are not trying at scale yet. At Hackaday Remoticon 20... | 5 | 3 | [
{
"comment_id": "6412329",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-01-06T18:44:07",
"content": "“an STM32 chip inside the TQFP socket, abundant everywhere except your online retailer of choice”Thanks for the chuckle 😆",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,830.648928 | ||
https://hackaday.com/2022/01/06/555-timer-contest-entry-a-digital-counter-with-nothing-but-555s/ | 555 Timer Contest Entry: A Digital Counter With Nothing But 555s | Dan Maloney | [
"contests",
"hardware"
] | [
"555",
"555 timer contest",
"8-bit counter",
"breadboard",
"JK flip-flop",
"sr latch"
] | With a 555 on the BOM, you never know what you’re going to get. With 40 of the versatile timer chips in a build, you might just get something completely unexpected, like
this 555-based eight-bit digital counter
.
This one comes to us by way of [Astronomermike], who chose to make a digital circuit with nothing but 555s ... | 11 | 4 | [
{
"comment_id": "6412299",
"author": "daveboltman",
"timestamp": "2022-01-06T17:08:22",
"content": "Could have done that with a Raspberry Pi",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6412304",
"author": "The Commenter Formerly Known As Ren",
... | 1,760,372,830.693137 | ||
https://hackaday.com/2022/01/06/from-nanoamps-to-gigahertz-the-worlds-most-extreme-op-amps/ | From Nanoamps To Gigahertz: The World’s Most Extreme Op Amps | Robin Kearey | [
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"bandwidth",
"high speed",
"low power",
"op amps"
] | The operational amplifier, or op amp, is one of the most basic building blocks used in analog circuits. Ever since single-chip op amps were introduced in the 1960s, thousands of different types have been developed, some more successful than others. Ask an experienced analog designer to name a few op amps, and they’ll l... | 104 | 16 | [
{
"comment_id": "6412261",
"author": "Stephen",
"timestamp": "2022-01-06T15:16:35",
"content": "Very interesting. I worked with 741s at school and it’s remarkable to see how far their brothers and sisters have gone.One small note. Microamps are not abbreviated “uA”, but “μA” – the prefix is the Gree... | 1,760,372,830.917985 | ||
https://hackaday.com/2022/01/06/new-part-day-the-risc-v-lichee-rv-module-and-dock/ | New Part Day: The RISC-V Lichee-RV Module And Dock | Dave Rowntree | [
"Parts"
] | [
"New Part Day",
"RISC-V",
"Sipeed"
] | Sipeed have been busy leveraging developments in the RISC-V arena, with an interesting, low-cost module they call the
Lichee RV
. It is based around the
Aliwinner D1 SoC
(which contains a
Pingtou Xuantie C906
for those following Chinese RISC-V processor development) with support for an optional NAND filesystem. This li... | 47 | 8 | [
{
"comment_id": "6412224",
"author": "anon",
"timestamp": "2022-01-06T12:43:40",
"content": "Debian was the first distribution to adopt RISC-V and port a large number of packages.However be aware that Allwinner is (still) violating GPL.Also Sipeed is not providing good documentation and steps to gen... | 1,760,372,830.778185 | ||
https://hackaday.com/2022/01/06/ham-antenna-fits-almost-anywhere/ | Ham Antenna Fits Almost Anywhere | Al Williams | [
"Radio Hacks"
] | [
"antenna",
"EFHW",
"end fed half wave",
"ham radio"
] | [G3OJV] knows the pain of trying to operate a ham radio transmitter on a small lot. His recent video shows how to put up a
workable basic HF antenna in a small backyard
. The center of the system is a 49:1 unun. An unun is like a balun, but while a balun goes from balanced line to an unbalanced antenna, the unun has bo... | 37 | 15 | [
{
"comment_id": "6412199",
"author": "Nicolas",
"timestamp": "2022-01-06T10:39:25",
"content": "Unfortunately there is no link between SWR and Efficiency. So the conclusion “at least judging by the SWR” is not true.The simpliest example is that a pure resistive 50 ohms dummy load give a nice SWR of ... | 1,760,372,830.534321 | ||
https://hackaday.com/2022/01/05/does-this-lead-make-my-car-look-fat/ | Does This Lead Make My Car Look Fat? | Lewin Day | [
"car hacks",
"Engineering",
"Featured",
"Original Art",
"Slider"
] | [
"added mass",
"added weight",
"car",
"car hacks",
"cars",
"vibration",
"vibration dampening",
"vibration damping",
"weight"
] | When looking at the performance of a vehicle, weight is one of the most important factors in the equation. Heavier vehicles take more energy to accelerate and are harder to stop. They’re also more difficult to control through the corners. Overall, anything that makes a vehicle heavier typically comes with a load of dra... | 64 | 21 | [
{
"comment_id": "6412002",
"author": "GameboyRMH",
"timestamp": "2022-01-05T15:19:23",
"content": "Another example is in landspeed cars. Weight negatively affects acceleration in all directions…but not top speed. So weights are often added to landspeed cars for the same reasons they’re added to trac... | 1,760,372,830.463695 | ||
https://hackaday.com/2022/01/05/dice-rolls-from-the-beginning-of-time/ | Dice Rolls From The Beginning Of Time | Bryan Cockfield | [
"Science"
] | [
"nixie tube",
"prng",
"random number generator",
"trng"
] | Generating random numbers might seem like a trivial task, that is until the numbers need to be truly random for cryptography or security reasons. When that’s the case, it turns out that these numbers are really “pseudo-random” and follow a predictable pattern. Devices that can produce truly random numbers often do it b... | 30 | 11 | [
{
"comment_id": "6411971",
"author": "Frankel",
"timestamp": "2022-01-05T12:15:46",
"content": "> cosmic microwave background as defined:> the peak wavelength is 1.063 mm>Small nitpick. This machine does not use the CMB. As the energy is not enough to excite a Geiger counter tube. This device measur... | 1,760,372,830.602933 | ||
https://hackaday.com/2022/01/05/building-a-wifi-enabled-bird-box-on-the-cheap/ | Building A WiFi-Enabled Bird Box On The Cheap | Orlando Hoilett | [
"Misc Hacks"
] | [
"birdhouse",
"endoscope",
"IoT",
"mother nature",
"wifi"
] | [Jude] was looking for a fun DIY project for him and his son and thought that a
bird box might be a good option
. He wanted to equip the box with a WiFi camera so he could watch his little guests from his phone but didn’t find any suitable, inexpensive, commercially-available options. So with that, he built one himself... | 12 | 5 | [
{
"comment_id": "6411945",
"author": "A",
"timestamp": "2022-01-05T09:12:43",
"content": "I really hope the box sends out a tweet when it gets a new occupant",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411974",
"author": "abjq",
"timestam... | 1,760,372,831.110897 | ||
https://hackaday.com/2022/01/04/improved-thermochromic-clock-uses-pcb-heaters-for-better-contrast/ | Improved Thermochromic Clock Uses PCB Heaters For Better Contrast | Dave Rowntree | [
"clock hacks"
] | [
"clock",
"liquid crystal",
"PCB Heater",
"thermochromic"
] | We love timepiece projects round these parts, so here we are with another unusual 7-segment clock design. Hackaday’s own [Moritz Sivers] wasn’t completely satisfied with his last thermochromic clock,
so has gone away and built another one
, solved a few of the issues, and this time designed it to be wall mounted.
The o... | 11 | 6 | [
{
"comment_id": "6411936",
"author": "Drone",
"timestamp": "2022-01-05T07:45:58",
"content": "I like this. But maybe 3-in-1 – faster-better-cheaper?…Rather than make a rat’s-nest of wire-interconnected PCB tiles having heater traces warming a layer of thermochromic sheet painstakingly cut to match t... | 1,760,372,831.155037 | ||
https://hackaday.com/2022/01/04/lego-cup-holder-helps-you-to-stay-hydrated/ | LEGO Cup Holder Helps You To Stay Hydrated | Robin Kearey | [
"home hacks"
] | [
"drinking water",
"lego",
"load cell"
] | Eat more fruit, exercise more, drink more fluids; early January is traditionally the time to implement New Year’s resolutions. Most of the common ones simply require willpower, but if it’s staying hydrated that you’re targeting, then some help is available. [Pepijn de Vos] designed
a LEGO cup holder and an accompanying... | 11 | 2 | [
{
"comment_id": "6411917",
"author": "Andrew",
"timestamp": "2022-01-05T05:29:06",
"content": "Can we not perpetuate the myth that it is necessary to drink eight glasses of water a day? That would be great.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411... | 1,760,372,832.121275 | ||
https://hackaday.com/2022/01/04/uv-resin-perfects-3d-print-but-not-how-you-think/ | UV Resin Perfects 3D Print, But Not How You Think | Tom Nardi | [
"3d Printer hacks"
] | [
"filler",
"print finishing",
"props",
"smoothing parts",
"UV resin"
] | At this point, everyone knows that the print quality you’ll get from even an entry level UV resin printer far exceeds what’s possible for filament-based fused deposition modeling (FDM) machines. But there’s a trade-off: for the money, you get way more build volume by going with FDM. So until the logistics of large-form... | 18 | 7 | [
{
"comment_id": "6411881",
"author": "JWhitten",
"timestamp": "2022-01-05T00:09:46",
"content": "We don’t know that this isn’t exactly how the Star Trek replicators do it, since everything happens behind the sliding door…",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,832.019332 | ||
https://hackaday.com/2022/01/04/growing-spectacular-gem-like-crystals-from-rust-and-simple-ingredients/ | Growing Spectacular Gem-Like Crystals From Rust And Simple Ingredients | Dan Maloney | [
"chemistry hacks"
] | [
"crystal",
"facet",
"ferric oxide",
"iron (III) oxide",
"oxalic acid",
"potassium carbonate",
"rust"
] | When we talk about crystals around here, we’re generally talking about the quartz variety used to make oscillators more stable, or perhaps ruby crystals used to make a laser. We hardly ever talk about homegrown crystals, though, and that’s a shame once you see how easy it is to
make beautiful crystals from scratch
.
We... | 33 | 17 | [
{
"comment_id": "6411852",
"author": "spiritplumber",
"timestamp": "2022-01-04T21:23:20",
"content": "Kane Lives!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411854",
"author": "Prfesser",
"timestamp": "2022-01-04T21:52:11",
"content": "Copper(... | 1,760,372,831.963496 | ||
https://hackaday.com/2022/01/05/servo-plotter-needs-nothing-exotic/ | Servo Plotter Needs Nothing Exotic | Al Williams | [
"3d Printer hacks",
"Arduino Hacks"
] | [
"arduino",
"plotter",
"servo"
] | Although the widespread use of 3D printers has made things like linear bearings and leadscrews more common, you still can’t run down to your local big-box hardware store and get them. However, you can get drawer slides and any hobby shop can sell you some RC servos. That and an Arduino can make
a simple and easy plotte... | 29 | 9 | [
{
"comment_id": "6412184",
"author": "Morberis",
"timestamp": "2022-01-06T08:50:19",
"content": "I’m sorry but unless experience is the only thing you want what’s the point in making something that doesn’t make or do anything you want? I don’t know about the rest of you but project ideas are the 1 t... | 1,760,372,832.07976 | ||
https://hackaday.com/2022/01/05/haptic-feedback-rifle-lets-you-take-aim-in-vr/ | Haptic Feedback “Rifle” Lets You Take Aim In VR | Bryan Cockfield | [
"Games"
] | [
"AR-15",
"controller",
"first person shooter",
"fps",
"haptic",
"Oculus",
"recoil",
"unity"
] | There was a time when virtual reality seemed like it would remain in the realm of science fiction at least for the foreseeable future. Then we were blessed with products like the Power Glove and Virtual Boy which seemed to make it more of a reality, if not a clunky and limited one. Now, though, virtual reality is takin... | 25 | 6 | [
{
"comment_id": "6412160",
"author": "CircularSaw",
"timestamp": "2022-01-06T04:27:47",
"content": "I guess they brace the front by the mag? I’d probably want a better foregrip",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6412168",
"author": "Stupor Chic... | 1,760,372,832.241368 | ||
https://hackaday.com/2022/01/05/blinking-cursor-turns-54-hardly-anyone-notices/ | Blinking Cursor Turns 54, Hardly Anyone Notices | Al Williams | [
"Retrocomputing"
] | [
"cursor",
"history",
"retrocomputing"
] | In an interesting post on Inverse, [Sarah Wells] does a deep dive into something you probably don’t think about very often:
the blinking cursor
. You’d assume there wasn’t much to the story. Maybe a terminal manufacturer put a toggle flip flop on the cursor output and it caught on. But the true story is much deeper tha... | 27 | 8 | [
{
"comment_id": "6412143",
"author": "Doug Jackson",
"timestamp": "2022-01-06T00:52:12",
"content": "How interesting.I wonder if it was ever licenced?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6412148",
"author": "Martin",
"timestamp": "... | 1,760,372,831.67283 | ||
https://hackaday.com/2022/01/05/a-simple-touch-probe-made-with-basic-tools/ | A Simple Touch Probe Made With Basic Tools | Dave Rowntree | [
"Tool Hacks"
] | [
"cnc",
"diy",
"hand tools",
"measurement",
"touch probe"
] | Six points of contact detect any displacement.
LinuxCNC contributor and machining enthusiast [Andy Pugh] is certainly not afraid to try making specialised tools to see how well they work out, and this time he’s been busy
making a touch probe
(video, embedded below) for checking the accuracy of machining operations and ... | 14 | 8 | [
{
"comment_id": "6412120",
"author": "Andrew",
"timestamp": "2022-01-05T22:14:23",
"content": "Here’s a 3D printed one:https://www.thingiverse.com/thing:721620",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6462294",
"author": "Greg Young",
"... | 1,760,372,831.811999 | ||
https://hackaday.com/2022/01/05/usb-power-has-never-been-easier/ | USB Power Has Never Been Easier | Brian McEvoy | [
"3d Printer hacks",
"hardware",
"Tool Hacks"
] | [
"3d printed",
"5v",
"5VDC",
"connectors",
"dupont",
"power",
"power bank",
"prototyping",
"test lead",
"usb"
] | USB cables inevitably fail and sometimes one end is reincarnated to power our solderless breadboards. Of course, if the cable broke once, it is waiting to crap out again. Too many have flimsy conductors that cannot withstand any torque and buckle when you push them into a socket. [PROSCH] has a superior answer that onl... | 48 | 17 | [
{
"comment_id": "6412063",
"author": "Jason",
"timestamp": "2022-01-05T19:43:24",
"content": "Isn’t the problem with doing it this way that a USB port will only put out 100mA when it doesn’t get an actual power request from the device?",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,831.89026 | ||
https://hackaday.com/2022/01/05/3d-printering-one-bed-level-to-rule-them-all/ | 3D Printering: One Bed Level To Rule Them All | Al Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3d printing",
"marlin"
] | In an ideal world, your FDM 3D printer’s bed would be perfectly parallel with the print head’s plane of movement. We usually say that means the bed is “level”, but really it doesn’t matter if it is level in the traditional sense, as long as the head and the bed are the same distance apart at every point. Of course, in ... | 23 | 10 | [
{
"comment_id": "6412056",
"author": "Rick Seiden",
"timestamp": "2022-01-05T18:53:30",
"content": "Isn’t this exactly what the Prusa MK3/S/+ does? Right down to storing the meshes for different surfaces?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64120... | 1,760,372,832.183322 | ||
https://hackaday.com/2022/01/05/laptop-empty-space-filled-with-rs485-and-poe/ | Laptop Empty Space Filled With RS485 And PoE | Arya Voronova | [
"computer hacks",
"laptops hacks"
] | [
"laptop",
"laptop hack",
"PoE",
"rs485"
] | Out of all the laptop upgrade options typically available, you wouldn’t expect this specific one. [controlmypad] decided to take a part of his RS485 device programming workflow and
put it inside of a spare laptop
he picked up for cheap. Typically, he’d occupy some desk space and lay out an unwieldy combination of a USB... | 6 | 3 | [
{
"comment_id": "6412035",
"author": "Kokesz",
"timestamp": "2022-01-05T17:02:03",
"content": "Hah, for five years from now I wanted to repurpose the RJ10 phone modem connector on my Dell notebook with a mini PCIe CAN/RS485 card and some extra cable. Unfortunately I messed up the offset on the pins ... | 1,760,372,832.279776 | ||
https://hackaday.com/2022/01/04/modular-design-enables-huge-ping-pong-ball-led-displays/ | Modular Design Enables Huge Ping-Pong Ball LED Displays | Robin Kearey | [
"LED Hacks"
] | [
"Huge LED display",
"modular design",
"ping pong ball"
] | Ping-pong balls have many uses: apart from playing table tennis, they have been used for countless art projects, science experiments, and even to raise ships from the bottom of the ocean. As it turns out, they also come in handy as diffusers for LED pixels, allowing the construction of large-size displays without requi... | 22 | 11 | [
{
"comment_id": "6411837",
"author": "IIVQ",
"timestamp": "2022-01-04T20:10:05",
"content": "Does that display really draw 20A? (It could: 30*10 neopixels *0.06A = 18A)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411842",
"author": "Daid",
... | 1,760,372,832.340438 | ||
https://hackaday.com/2022/01/04/what-you-should-know-before-buying-an-industrial-sewing-machine/ | What You Should Know Before Buying An Industrial Sewing Machine | Kristina Panos | [
"Hackaday Columns",
"Slider",
"Tool Hacks"
] | [
"clutch motor",
"industrial sewing machine",
"servo motor",
"sewing",
"sewing machine",
"upgrades"
] | I’ve been sewing off and on since I was a kid, and I really started to get into it about ten years ago. Even though I technically outgrew my little 3/4 size domestic machine pretty quickly, I kept using it because it always did whatever I asked it to. I even made my first backpack on it before deciding it was time for ... | 48 | 23 | [
{
"comment_id": "6411818",
"author": "Wallace+Owen",
"timestamp": "2022-01-04T19:09:00",
"content": "Great article. I’ve got an Elnita (Taiwanese) and a Morse Super Fotomatic (Japan).The Elnita is a copy of the swiss Elna, and is a bit weak. But the Morse is a tank.My question: Are the industrial... | 1,760,372,832.603963 | ||
https://hackaday.com/2022/01/04/the-cucumber-house-that-lego-built/ | The Cucumber House That LEGO Built | Jenny List | [
"Toy Hacks"
] | [
"cucumber",
"lego",
"lego factory",
"log cabin"
] | How far are you prepared to go to build a novelty seasonal ornament? Maybe a gingerbread house, or perhaps a bit of 3D printed glitter to hang on your Christmas tree. For [The Brick Wall], none of this was enough. Instead what was needed was
a complete LEGO automated factory that builds a log cabin
, from the unlikely ... | 19 | 8 | [
{
"comment_id": "6411787",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-01-04T16:40:10",
"content": "If it took 83 days to build the cabin from 18 cucumbers, how did they keep them from spoiling?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,832.503247 | ||
https://hackaday.com/2022/01/04/painted-over-but-not-forgotten-restoring-lost-paintings-with-radiation-and-mathematics/ | Painted Over But Not Forgotten: Restoring Lost Paintings With Radiation And Mathematics | Maya Posch | [
"Art",
"Featured",
"Science",
"Slider"
] | [
"art reconstructing",
"computed laminography",
"x-ray diffraction",
"x-ray fluorescence"
] | An intrinsic property of paintings, that makes them both wonderful and very annoying, is the fact that they are physical objects. Sometimes they survive across the ages as amazing artifacts of their era, but they are also susceptible to being lost and even destroyed. Sometimes this destruction is deliberate, such as wh... | 23 | 9 | [
{
"comment_id": "6411776",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-01-04T16:14:20",
"content": "Thank you for the interesting work being done in the study off old art.I also remember how the progression of written historical documents is being lost through the use of word... | 1,760,372,833.171315 | ||
https://hackaday.com/2022/01/04/angel-investor-gives-open-source-pnp-a-massive-boost/ | Angel Investor Gives Open Source PnP A Massive Boost | Dave Rowntree | [
"News",
"Tool Hacks"
] | [
"angel investor",
"component feeder",
"machine tools",
"OpenPnP",
"pick and place",
"pick and place machines"
] | We love it when an Open Source hardware project grows up and turns into a sustainable business, bootstrapped with nothing but hard work and great ideas, but it’s a really tough prospect to do it using your own money, ploughing the profits from any sales back into development and not taking a dime in wages whilst you do... | 18 | 8 | [
{
"comment_id": "6411743",
"author": "boj Ko (@bojKo89595782)",
"timestamp": "2022-01-04T13:28:27",
"content": "Guys NEVER GIVE UP!!!!Equipment and access to education on the use of open source equipment is the way to develop not only us guys – and our community, but also a direct fight against mark... | 1,760,372,832.801881 | ||
https://hackaday.com/2022/01/04/a-gorgeous-desk-with-amd-inside/ | A Gorgeous Desk With AMD Inside | Matthew Carlson | [
"computer hacks",
"home hacks"
] | [
"cnc",
"desk",
"pc",
"woodworking"
] | We’re the first to admit that we don’t see much woodworking here at Hackaday. But
this desk with a PC inside from [John Heisz] is just too gorgeous not to share
.
The build is mostly cherry veneered half-inch plywood and real cherry. There are dozens of angles and complex pieces that all fit together in a valuable and ... | 7 | 4 | [
{
"comment_id": "6411724",
"author": "byi",
"timestamp": "2022-01-04T10:05:00",
"content": "What matters is not how pretty your desk is but what useful work you can do with hardware on it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411765",
"aut... | 1,760,372,833.030719 | ||
https://hackaday.com/2022/01/03/lte-modem-transplant-for-a-tesla-imported-into-europe/ | LTE Modem Transplant For A Tesla Imported Into Europe | Arya Voronova | [
"car hacks",
"Repair Hacks"
] | [
"3g modem",
"cellular modem",
"LTE",
"Tesla Model 3",
"Tesla Model S",
"Tesla Motors",
"Tesla S",
"Tesla the car"
] | When modern connected cars cross continents, novel compatibility problems crop up. [Oleg Kutkov], being an experienced engineer, didn’t fret when an USA-tailored LTE modem worked poorly on his Tesla fresh off its USA-Europe import journey, and
walks us through his journey
of replacing the modem with another Tesla modem... | 22 | 7 | [
{
"comment_id": "6411711",
"author": "Karl Ramboz",
"timestamp": "2022-01-04T06:32:58",
"content": "I would highly value an electric car that has equivalent functionality to a base model compact car made in the 1990’s. Extras should be aftermarket. I wonder what price Tesla could sell that type of... | 1,760,372,832.949859 | ||
https://hackaday.com/2022/01/03/need-a-small-cheap-ammeter-blinkenlights-to-the-rescue/ | Need A Small, Cheap Ammeter? Blinkenlights To The Rescue! | Ryan Flowers | [
"LED Hacks",
"Tool Hacks"
] | [
"Ammeter",
"blinkenlights",
"blinking led",
"flashing led",
"fled"
] | You know how it is. You’ve got that new project running, and while it doesn’t consume much power, it also doesn’t give much indication of whether it’s functioning or just sitting there with a dead battery. What you need is an ammeter to check power consumption, even from across the room. And it just so happens that [Ma... | 3 | 2 | [
{
"comment_id": "6411579",
"author": "kwikius",
"timestamp": "2022-01-03T17:37:39",
"content": "Interesting. Looks to work well. It would help to have a part number for the FLED . The instructable just refers to the FLED as a mysterious underdocumented magic black box.",
"parent_id": null,
... | 1,760,372,832.98444 | ||
https://hackaday.com/2022/01/03/edge-mounted-meters-give-this-retro-frequency-counter-six-decades-of-display/ | Edge-Mounted Meters Give This Retro Frequency Counter Six Decades Of Display | Dan Maloney | [
"Retrocomputing",
"Teardown"
] | [
"decade",
"electronic counter",
"frequency counter",
"germanium",
"moving coil",
"ocxo",
"oven controlled crystal oscillator"
] | With regard to retro test gear, one’s thoughts tend to those Nixie-adorned instruments of yore, or the boat-anchor oscilloscopes that came with their own carts simply because there was no other way to move the things. But there were other looks for test gear back in the day, as
this frequency counter with a readout usi... | 7 | 3 | [
{
"comment_id": "6411549",
"author": "Michael Black",
"timestamp": "2022-01-03T15:18:01",
"content": "It’s a digital frequency counter, as accurate as the time base is.This isn’t a “frequency meter” where pulses are accumulated. It’s a digital counter using analog meters for readouts. The meters o... | 1,760,372,832.743118 | ||
https://hackaday.com/2022/01/02/getting-back-that-youtube-dislike-button/ | Getting Back That YouTube Dislike Button | Jonathan Bennett | [
"News"
] | [
"Dislike",
"Linus Tech Tips",
"youtube"
] | Ah, Google. Very few companies have mastered the art of creating amazing technology and products, and then so effectively abandoning and mishandling them. Case in point, YouTube. Citing “dislike attacks”, which are coordinated down-voting of particular videos, YouTube opted to hide the dislike counter on all videos. It... | 40 | 15 | [
{
"comment_id": "6411480",
"author": "Dude",
"timestamp": "2022-01-03T06:25:03",
"content": "That’s kinda like how Youtube should be structured anyways. The platform can’t also be the critic of the quality of its own content – that’s like a restaurant choosing which reviews appear in the media. In o... | 1,760,372,833.252854 | ||
https://hackaday.com/2022/01/02/keeping-the-philippines-surface-waters-clean-with-kabooms/ | Keeping The Philippines’ Surface Waters Clean With Kabooms | Maya Posch | [
"green hacks"
] | [
"Atwater Kent 55C",
"plastic pollution"
] | [Rich] over at
Tropical Ocean Cleanup
on YouTube has been working hard to prevent plastic waste from getting into the waters around the Philippines. Even as a mostly one-man crew, he’s collecting large sums of plastic waste using a boom system which he fittingly made out of waste: old tires and empty plastic bottles. T... | 34 | 8 | [
{
"comment_id": "6411470",
"author": "Andrew",
"timestamp": "2022-01-03T04:28:03",
"content": "How about, oh, I don’t know, not throwing your trash onto the street or into a river?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411472",
"author": "D... | 1,760,372,833.101248 | ||
https://hackaday.com/2022/01/02/hackaday-links-january-2-2022/ | Hackaday Links: January 2, 2022 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"Asus",
"EUV",
"extreme ultraviolet",
"floppy",
"hackaday links",
"james webb space telescope",
"jumper wire",
"jwst",
"mosfet",
"retrocomputing",
"Z690"
] | That sound you may have heard in the wee hours of Christmas morning had nothing to do with Santa; rather, it was the sound of a million astronomers collectively letting out their breath around the world as the James Webb Space Telescope survived its fiery ride to space. And not only did it survive, but the ESA launch t... | 10 | 5 | [
{
"comment_id": "6411451",
"author": "cliff claven",
"timestamp": "2022-01-03T00:27:05",
"content": "Re: the jumpersCCA (copper coated aluminum) is a not uncommon substitution, unfortunately. There’s nothing wrong with CCA, in and of itself, but it must be used appropriately. Gauge size must be larg... | 1,760,372,833.307889 | ||
https://hackaday.com/2022/01/02/swiss-army-knife-of-power-tool-carts/ | Swiss Army Knife Of Power Tool Carts | Dave Rowntree | [
"Tool Hacks"
] | [
"cart",
"dust extraction",
"mitre saw",
"Planar",
"portable",
"table saw",
"wood",
"woodworking"
] | When you’re into woodworking in a serious way, you’re going to eventually want some power tools. With such efficiency of operation, things can go pear-shaped quickly, with wood dust getting absolutely everywhere. It’s not always practical (or desirable) to work outdoors, and many of us only have small workshops to do o... | 9 | 7 | [
{
"comment_id": "6411426",
"author": "steelman",
"timestamp": "2022-01-02T21:21:07",
"content": "When you’re into woodworking in a serious way, you’re going to eventually want some power tools.That may not be entirely true.",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,372,833.352557 | ||
https://hackaday.com/2022/01/02/teensy-4-pushed-to-the-limit-with-1-ghz-overclock/ | Teensy 4 Pushed To The Limit With 1 GHz Overclock | Tom Nardi | [
"Microcontrollers"
] | [
"heatsink",
"laptop cooling",
"overclock",
"Teensy 4",
"Teensy 4.1"
] | Do you need a microcontroller that runs at 1 GHz? No, probably not. But that didn’t stop [Visual Micro] from trying,
and the results are pretty interesting
. Not only did the plucky little chip not cook itself, it actually seemed to run fairly well; with the already powerful microcontroller getting a considerable boost... | 29 | 9 | [
{
"comment_id": "6411400",
"author": "LordNothing",
"timestamp": "2022-01-02T18:09:58",
"content": "please continue to justify my belief that the teensy is too op for most applications.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411402",
"author... | 1,760,372,833.595829 | ||
https://hackaday.com/2022/01/01/genius-or-cursed-this-usb-c-connector-is-flexible/ | Genius Or Cursed, This USB-C Connector Is Flexible | Jenny List | [
"Peripherals Hacks"
] | [
"flexible PCB",
"peripherals",
"USB C"
] | USB connectors have lent themselves to creative interpretations of their mechanical specifications ever since the first experimenter made a PCB fit into a USB-A socket. The USB-C standard with its smaller connector has so far mostly escaped this trend, though this might be about to change thanks to the work of [Sam Ett... | 18 | 6 | [
{
"comment_id": "6411159",
"author": "vib",
"timestamp": "2022-01-01T18:26:09",
"content": "next step, have it run Doom on a flexible OLED poking out of the connector",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411187",
"author": "Dan",
"... | 1,760,372,833.731907 | ||
https://hackaday.com/2022/01/01/blackberry-will-run-out-of-juice-on-january-4th/ | Blackberry Will Run Out Of Juice On January 4th | Kristina Panos | [
"blackberry hacks",
"News"
] | [
"blackberry",
"blackberry OS",
"EOL",
"phones with keyboards"
] | Happy New Year,
though it may not be for Blackberry fans
. The company that has so often had their products compared to a certain addictive substance recently
announced that they are ending support for Blackberry OS and Blackberry 10 devices
.
What does this mean? While they won’t be bricking phones outright, they migh... | 47 | 20 | [
{
"comment_id": "6411134",
"author": "Myself",
"timestamp": "2022-01-01T15:46:03",
"content": "???or wifi networks???That’s peculiar. I’ve had a scrapberry around for years that I used for some time as a local wifi-connected display, just auto-refreshing a webpage from my weather station. Wifi shoul... | 1,760,372,833.677779 | ||
https://hackaday.com/2022/01/01/virtual-eurorack-based-cpu-computes-to-the-beat-of-a-different-drum-module/ | Virtual Eurorack Based CPU Computes To The Beat Of A Different Drum Module | Ryan Flowers | [
"computer hacks",
"Software Hacks"
] | [
"adder",
"ALU",
"cpu hack",
"eurorack",
"registers",
"virtual cpu"
] | In Arthur C. Clarke’s 1972 story “Dial F for Frankenstein”, the worlds first global network of phone exchanges was created by satellite link, and events happened that caused the characters in the story to wonder if the interconnected mesh of machinery had somehow become sentient. And that’s what we wondered when we saw... | 3 | 3 | [
{
"comment_id": "6411135",
"author": "Piotrsko",
"timestamp": "2022-01-01T15:50:09",
"content": "Well, firstly, you need to define sentient.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411241",
"author": "Forrest",
"timestamp": "2022-01-02T00:32:42... | 1,760,372,833.525846 | ||
https://hackaday.com/2022/01/01/attack-of-the-eighty-foot-string-shooter/ | Attack Of The Eighty-Foot String Shooter | Brian McEvoy | [
"Toy Hacks"
] | [
"bicycle",
"bike",
"demonstration",
"physics",
"scrap parts",
"string shooter",
"toy",
"welding"
] | String shooters are exciting because they adhere to the laws of physics in that peculiar way that makes us ask, “How?” and “Why?” After a bit of poking and prodding, maybe some light rope burn, we probably have a few ideas on how we’d make our own. [Nick Belsten] and [Joey Rain] saw some desktop models and thought, “Le... | 24 | 10 | [
{
"comment_id": "6411086",
"author": "Tweepy",
"timestamp": "2022-01-01T09:10:18",
"content": "Awesome video of how space launch loop would work! (the only way to power space launch from earth, renewable!)https://en.wikipedia.org/wiki/Launch_loop",
"parent_id": null,
"depth": 1,
"replies... | 1,760,372,834.140743 | ||
https://hackaday.com/2021/12/31/facial-recognition-for-covid-19-tracking-in-seoul/ | Facial Recognition For Covid-19 Tracking In Seoul | Chris Lott | [
"News"
] | [
"covid tracing",
"facial recognition",
"facial tracking",
"personal privacy",
"seoul"
] | The city of Bucheon, population 830,000, is a satellite city southwest of Seoul and part of the greater metropolitan area and the site of a
pilot program to apply AI facial recognition and tracking technologies
to aid Covid-19 epidemiological investigators. South Korea has been generally praised for its rapid response ... | 32 | 16 | [
{
"comment_id": "6411074",
"author": "Techni+Myoko",
"timestamp": "2022-01-01T06:43:31",
"content": "“Even if all the privacy concerns are solves”*solved, and they won’t be.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411076",
"author": "Drone",
"t... | 1,760,372,833.828833 | ||
https://hackaday.com/2021/12/31/buggy-circuit-sculpture-based-on-a-tuning-indicator-tube/ | “Buggy” Circuit Sculpture Based On A Tuning Indicator Tube | Robin Kearey | [
"Art"
] | [
"Circuit Sculpture",
"EM34",
"indicator tube",
"magic eye tube"
] | If you’ve ever used an old tube radio, you might be familiar with that mysterious little green display that helps you to tune exactly to a station. That display is called a tuning indicator, or magic eye tube; in essence it’s a minimalistic cathode ray tube that can sweep its electron beam along only one axis. It there... | 4 | 3 | [
{
"comment_id": "6411079",
"author": "Drone",
"timestamp": "2022-01-01T07:40:29",
"content": "New Old Stock (NOS) magic-eye tubes are still easy to get, around $5-$15 bucks per tube. There are even kits with the driving circuitry included.[1] See [2] for an entire Web site dedicated to magic-eye tub... | 1,760,372,833.866743 | ||
https://hackaday.com/2021/12/31/battery-less-bike-computer-gets-power-and-data-from-the-wheels/ | Battery-less Bike Computer Gets Power And Data From The Wheels | Dan Maloney | [
"Transportation Hacks"
] | [
"altimeter",
"barometer",
"cyclocomputer",
"dynamo",
"generator",
"hub dynamo",
"msp430"
] | Bicycle generator technology has advanced far beyond the bottle dynamos of years past, which as often as not would introduce enough drag when engaged to stall the bike. Granted, it’s not as much of a current draw as a big old incandescent headlight, but
this wheel-powered cyclocomputer
is a great example of harvesting ... | 6 | 3 | [
{
"comment_id": "6411040",
"author": "Gravis",
"timestamp": "2022-01-01T03:06:26",
"content": "Hmm… cyclocomputers are much lighter than their predecessors, the cyclotron. ;)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6413402",
"author": "Cipri T... | 1,760,372,833.908569 | ||
https://hackaday.com/2022/01/03/diy-onewheel-on-the-cheap/ | Open Source Openwheel | Ryan Flowers | [
"News"
] | [] | The story is one we’ve all lived: We see a piece of commercial technology and we
want
it, but the price tag makes us wonder if it isn’t made with gold pressed latinum. The object of [Zach]’s desire? A single wheel powered skateboard sold by a company called Onewheel. But as you can see in the
video below the break
, an... | 18 | 7 | [
{
"comment_id": "6411694",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2022-01-04T03:47:15",
"content": "Oh what fun it is to ride an open source openwheel! Hey!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411730",
"author": "[... | 1,760,372,834.084062 | ||
https://hackaday.com/2022/01/03/the-benefits-of-critiquing-your-own-pcb-designs/ | The Benefits Of Critiquing Your Own PCB Designs | Maya Posch | [
"hardware"
] | [
"PCB design",
"retrospective"
] | In a recent retrospective video, [Phil] from Phil’s Lab
goes through a number of his early PCB designs
, to critique and comment on what he likes and doesn’t like in these designs. Even though it’s only been a few a few years, he founds plenty that’s wrong. From poor and inconsistent formatting in the schematic, to slo... | 8 | 3 | [
{
"comment_id": "6411681",
"author": "splud",
"timestamp": "2022-01-04T01:52:23",
"content": "Also, examining others’ PCB designs for interesting approaches to doing things, or asking “why is this done this way?”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,833.948875 | ||
https://hackaday.com/2022/01/03/homemade-scrapyard-security-mech-gives-uncle-super-powers/ | Homemade Scrapyard Security Mech Gives Uncle Super Powers | Dave Rowntree | [
"Robots Hacks"
] | [
"e-waste recycling",
"mechanoid",
"security",
"whimsical"
] | [Handy Geng] is back again with another bonkers build, that we just can’t not cover. His Uncle came to visit the workshop one day and said he’d love to go there every day, and could even watch over it when [Handy Geng] was away. But being an older chap and needing a stick to get around, he would not be much use if ‘bad... | 26 | 7 | [
{
"comment_id": "6411628",
"author": "Miroslav",
"timestamp": "2022-01-03T22:05:27",
"content": "Nice work. Reminds me of the final boss in Wolfenstein 3D (1992). Who played, will know … :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411640",
"au... | 1,760,372,834.198251 | ||
https://hackaday.com/2022/01/03/matrix-digital-rain-on-the-ibm-pc-with-a-high-persistence-monitor/ | Matrix Digital Rain On The IBM PC With A High Persistence Monitor | Dave Rowntree | [
"Retrocomputing"
] | [
"high-persistence phosphor",
"IBM 5150",
"IBM 5151",
"PCjs",
"the matrix"
] | Unless you’ve been hiding under a rock for the last 20-odd years, you will have come across The Matrix series of movies, and the cool green ‘digital rain’ effect used frequently. This inspired [Oli Wright] to wonder what it would look like if instead of running the animation on a modern display, using a digitally produ... | 11 | 8 | [
{
"comment_id": "6411603",
"author": "abjq",
"timestamp": "2022-01-03T19:45:21",
"content": "I still have a pair of these so I’m going to HAVE to run this. Just hoping the 256-byte .com file doesn’t include a virus!!!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,834.388605 | ||
https://hackaday.com/2022/01/03/tft35-dual-mode-3d-print-control-hands-on/ | TFT35 Dual Mode 3D Print Control – Hands On | Al Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"3d printer",
"marlin",
"tft"
] | I was rebuilding one of my 3D printers — again — and decided I needed a display upgrade. A color screen is nice, but there are some limitations. I also found there are ways around these limitations, so I wanted to share my thoughts on a dual-mode color touch screen LCD controller for your 3D printer. The screen in ques... | 18 | 6 | [
{
"comment_id": "6411591",
"author": "critter42",
"timestamp": "2022-01-03T18:55:15",
"content": "Gotta ask – did you pick the A8 up in a FIRE SALE? (Buh-dump-bump *tiss*)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411756",
"author": "Elliot Wil... | 1,760,372,834.277544 | ||
https://hackaday.com/2022/01/03/another-homebrew-linux-board-success-story/ | Another Homebrew Linux Board Success Story | Tom Nardi | [
"computer hacks",
"Linux Hacks"
] | [
"SBC",
"single board computer",
"system on chip"
] | It’s truly incredible what the hobbyist is now capable of. While it would have seemed all but impossible a few years ago, we’re happy to report that yet another dedicated hardware hacker has managed to spin up their own custom Linux single-board computer.
Creator [Ian Kilgore] tells us the only goal when developing CAT... | 26 | 7 | [
{
"comment_id": "6411576",
"author": "Etienne",
"timestamp": "2022-01-03T17:07:20",
"content": "Power over Ethernet is common now with homes having switches for video cameras and wifi AP.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411583",
"auth... | 1,760,372,834.343384 | ||
https://hackaday.com/2022/01/03/2021-as-the-hardware-world-turns/ | 2021: As The Hardware World Turns | Tom Nardi | [
"Current Events",
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"Covid-19",
"james webb space telescope",
"mars rover",
"Paspberry Pi Pico",
"right to repair",
"Year in Review"
] | Well, that didn’t go quite as we expected, did it? Wind the clock back 365 days, and the world seemed to be breathing a collective sigh of relief after making it through 2020 in one piece. Folks started getting their COVID-19 vaccines, and in-person events started tentatively putting new dates on the calendar. After a ... | 15 | 4 | [
{
"comment_id": "6411566",
"author": "Gravis",
"timestamp": "2022-01-03T16:03:07",
"content": "The problem we are up against isn’t COVID-19 variants, it’s anti-intellectualism putting experts and YouTube/radio/news talking heads on the same level resulting in low vaccination rates. Fortunately, the... | 1,760,372,834.444013 | ||
https://hackaday.com/2021/12/31/this-week-in-security-the-log4j-that-wont-go-away-webos-and-more/ | This Week In Security: The Log4j That Won’t Go Away, WebOS, And More | Jonathan Bennett | [
"Hackaday Columns",
"News"
] | [
"Active Directory",
"Log4j",
"This Week in Security",
"webos"
] | In the past two weeks, Log4j has continued to drive security news, with more vulnerable platforms being found, and additional CVEs coming out. First up is work done by TrendMicro,
looking at electric vehicles and chargers
. They found a log4j attack in one of the published charger frameworks, and also managed to observ... | 5 | 4 | [
{
"comment_id": "6411018",
"author": "Gregg Eshelman",
"timestamp": "2021-12-31T21:51:33",
"content": "Schandelah? Schande translates from German as “shame”.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6411519",
"author": "Ewald",
"timesta... | 1,760,372,836.276218 | ||
https://hackaday.com/2021/12/31/3d-printering-adding-a-web-interface-where-there-was-none-before/ | 3D Printering: Adding A Web Interface Where There Was None Before | Dave Rowntree | [
"3d Printer hacks"
] | [
"3d printer",
"Arduino-esp32",
"ESP32",
"firmware",
"websockets",
"wi-fi"
] | [Renzo Mischianti] got himself a Chinese 3D printer, specifically a FlyingBear Ghost 5. (Cracking name, huh?) He was more than a little irritated with the fact that whilst the controller, an MKS Robin Nano, did have a integrated Wi-FI module, it provided no browser-based interface for monitoring and control purposes. T... | 8 | 3 | [
{
"comment_id": "6410995",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-31T18:49:42",
"content": "“whilst the controller, an MKS Robin Nano, did have a integrated Wi-FI module, it provided no web-based interface for monitoring and control purposes”Software as a service?",
... | 1,760,372,836.138334 | ||
https://hackaday.com/2021/12/31/hackaday-podcast-wishes-you-happy-new-year/ | Hackaday Podcast Wishes You Happy New Year | Elliot Williams | [
"Podcasts"
] | [
"Hackaday Podcast",
"happy new year"
] | Our two-week-long winter hibernation continues on the Podcast, but we’ll be coming at you next week with guest host Tom Nardi. We’ve got two weeks full of hacks to cover, and Tom is working on a Best Hacks of 2021 piece, so we’ll be starting off 2022 with a bang.
Happy New Year!
Direct download
(5 MB)
Where to Follow H... | 0 | 0 | [] | 1,760,372,836.579862 | ||
https://hackaday.com/2021/12/31/a-tidy-cyberdeck-that-you-could-take-anywhere/ | A Tidy Cyberdeck That You Could Take Anywhere. | Jenny List | [
"Cyberdecks",
"Raspberry Pi"
] | [
"cyberdeck",
"portable",
"raspberry pi"
] | The cyberdeck trend has evolved to a relatively straightforward formula: take a desktop computer and strip it to its barest essentials of screen, PCB, and input device, before clothing it in a suitably post-apocalyptic or industrial exterior. Sometimes these can result in a stylish prop straight from a movie set, and h... | 18 | 6 | [
{
"comment_id": "6410989",
"author": "Brenda",
"timestamp": "2021-12-31T17:57:09",
"content": "I like it!https://www.youtube.com/watch?v=R6OCizr9MwIThose cases are handy. I am using one for a motor controller.Take Care,BrendaEM",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,836.096135 | ||
https://hackaday.com/2021/12/31/the-no-mcu-fan-controller/ | The No-MCU Fan Controller | Jenny List | [
"hardware"
] | [
"comparator",
"fan controller",
"lm35"
] | The default for any control project here in 2019 was to reach for a microcontroller. Such are their low cost and ubiquity that they can be used to replicate what might once have needed some extra circuitry, with the minimum of parts. But here we are at the end of 2021, and of course microcontrollers are hard to come by... | 33 | 10 | [
{
"comment_id": "6410916",
"author": "Tweepy",
"timestamp": "2021-12-31T09:14:44",
"content": "Nice simple analog stuff, but would have been better with a 555 (either with 4 pins PWM controlled fan or direct driving), as ON/OFF fans tend to be fairly irritating for humans around.",
"parent_id": ... | 1,760,372,836.232776 | ||
https://hackaday.com/2021/12/30/threaded-wires-save-phone-numbers/ | Threaded Wires Save Phone Numbers | Chris Lott | [
"Phone Hacks"
] | [
"autodialer",
"rope memory",
"Soviet electronics",
"telephone"
] | If you thought programming your 1990s VCR was rough, wait until you see this
Russian telephone autodialer that [Mike] took apart over on the
mikeselectricalstuff
YouTube channel
(video below the break). [Mike] got this 1980s Soviet-era machine a few years ago, and finally got around to breaking into it to learning what... | 23 | 12 | [
{
"comment_id": "6410892",
"author": "Voltron",
"timestamp": "2021-12-31T07:01:44",
"content": "Wow, that’s ingenious. I love seeing soviet technology.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410974",
"author": "Joshua",
"timestamp": ... | 1,760,372,836.383361 | ||
https://hackaday.com/2021/12/30/customisable-micro-coded-controller-helps-with-in-circuit-debugging/ | Customisable Micro-Coded Controller Helps With In-Circuit Debugging | Dave Rowntree | [
"Retrocomputing"
] | [
"debugging",
"microcode",
"microcomputer",
"sequencer"
] | Over on Hackaday.io, [Zoltan Pekic] has been busy building a stack of tools for assisting with verifying and debugging retro computing applications. He presents his take on
using Intel hex files for customised in-circuit testing
, which is based upon simple microcoded sequencers, which are generated automatically from ... | 0 | 0 | [] | 1,760,372,836.170106 | ||
https://hackaday.com/2022/01/02/taking-water-cooler-ux-into-your-own-hands-with-ghidra/ | Taking Water Cooler UX Into Your Own Hands With Ghidra | Arya Voronova | [
"Microcontrollers",
"Reverse Engineering"
] | [
"Ghidra",
"pic",
"PIC 18 MCU",
"PIC microcontroller",
"pic18",
"pickit3",
"reverse engineering",
"water cooler"
] | Readers not aware of what Ghidra is might imagine some kind of aftermarket water cooler firmware or mainboard – a usual hacker practice with reflow ovens. What [Robbe Derks] did is no less impressive and inspiring: A
water cooler firmware mod
that adds hands-free water dispensing, without requiring any hardware mods o... | 12 | 5 | [
{
"comment_id": "6411356",
"author": "kwikius",
"timestamp": "2022-01-02T15:34:55",
"content": "Excellent stuff. This has to be my favorite style of article on Hackaday. I have to admit to never having disassembled someone’s firmware, but reading about the process of how to do it and then modify it ... | 1,760,372,836.323096 | ||
https://hackaday.com/2022/01/02/an-openscad-library-for-all-your-cnc-cutting-needs/ | An OpenSCAD Library For All Your CNC Cutting Needs | Tom Nardi | [
"cnc hacks",
"Software Hacks"
] | [
"cnc",
"Laser cutting",
"openscad"
] | While there’s always the edge case, there’s a strong likelihood that if you’re using OpenSCAD, you’re probably working on a CAD model that you intend to 3D print at some point. Of course that’s not to say this is
all
you can do in OpenSCAD, but it’s arguably what it does best. If you wanted to make artistic models, or ... | 16 | 7 | [
{
"comment_id": "6411327",
"author": "Jason Belec",
"timestamp": "2022-01-02T13:11:07",
"content": "Very cool. Will look into this further for some upcoming work.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411334",
"author": "Djjg",
"timestamp": "... | 1,760,372,836.04133 | ||
https://hackaday.com/2022/01/02/an-astronomical-mechanical-clock-in-more-ways-than-one/ | An Astronomical Mechanical Clock, In More Ways Than One | Dan Maloney | [
"clock hacks"
] | [
"clock",
"clockmaking",
"equation of time",
"horology",
"orrery",
"sidereal",
"tellurion",
"timepiece"
] | If the workings of a mechanical timepiece give you a thrill, prepare to be blown away by
this over-the-top astronomical clock
.
The horological masterpiece, which was designed by [Mark Frank] as his “dream clock”, is a riot of brass, bronze, and steel — 1,200 pounds (544 kg) of it, in fact, at least in the raw material... | 29 | 15 | [
{
"comment_id": "6411299",
"author": "BT",
"timestamp": "2022-01-02T09:48:02",
"content": "Amazing! But… no cuckoo? ;-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411305",
"author": "mrehorst",
"timestamp": "2022-01-02T10:21:21",
"content": "W... | 1,760,372,836.54727 | ||
https://hackaday.com/2022/01/01/teaching-a-dc-servo-motor-to-act-like-a-stepper/ | Teaching A DC Servo Motor To Act Like A Stepper | Dave Rowntree | [
"hardware"
] | [
"closed loop",
"dc motor",
"geared motor",
"stepper motor",
"stm32"
] | [Frank Herrmann] had an interesting idea to turn a
geared DC motor into a servo motor assembly
, but with a stepper motor-like interface. By stacking some small PCBs behind the motor body, it was possible to squeeze a DRV8837 DC motor driver and a pair of hall effect sensors on
the first PCB layer
, with the magnetic e... | 13 | 6 | [
{
"comment_id": "6411275",
"author": "jpa",
"timestamp": "2022-01-02T06:47:04",
"content": "Those cheap gear motors usually have a huge amount of backlash.One funny way to compensate would be to somehow connect two of the cheap motors and drive them in opposite directions. That way they would provid... | 1,760,372,836.626873 | ||
https://hackaday.com/2022/01/01/neopixel-punk-console-drives-ws2812s-using-555-timers/ | NeoPixel Punk Console Drives WS2812s Using 555 Timers | Robin Kearey | [
"LED Hacks"
] | [
"555",
"74HCxx",
"ws2812"
] | NeoPixels, a type of LED strip with individually addressable pixels, are a firm favorite among creators of intricate light effects. They are popular for their versatility and the ease with which you can daisy-chain them. Although the protocol to drive these little LEDs can be rather tricky to implement due to tight sig... | 2 | 2 | [
{
"comment_id": "6411263",
"author": "Gösta",
"timestamp": "2022-01-02T03:09:30",
"content": "Awesome hack!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6411293",
"author": "smerrett79",
"timestamp": "2022-01-02T08:12:36",
"content": "It’s like a... | 1,760,372,836.738749 | ||
https://hackaday.com/2022/01/01/ski-lift-design-does-the-impossible/ | Ski Lift Design Does The Impossible | Ryan Flowers | [
"Transportation Hacks"
] | [
"idler",
"mechanical engineering",
"pulley",
"ski",
"ski lift",
"skiing",
"winter"
] | Tis The Season, for those who are so inclined, to loft themselves to the top of a steep snow-covered hill and then go downhill, really fast. And if something gets in their way, turn. Whether they be on skis, a snowboard, or some other means, getting down usually involves using gravity. Getting up, on the other hand, us... | 21 | 9 | [
{
"comment_id": "6411246",
"author": "CRJEEA",
"timestamp": "2022-01-02T01:05:20",
"content": "There’s so little actually holding you to the wire.It makes me wonder if they would have more luck using strong magnets.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,836.923283 | ||
https://hackaday.com/2022/01/01/cool-the-shop-with-a-thermal-battery-based-system/ | Cool The Shop With A Thermal Battery-Based System | Kristina Panos | [
"Arduino Hacks",
"Misc Hacks"
] | [
"arduino",
"thermal battery",
"water cooling"
] | Having any kind of shop is pretty great, no matter how large it may be or where it’s located. If the shop is in an outbuilding, you get to make more noise. On the other hand, it will probably get pretty darn hot in the summer without some kind of cooling system, especially if you don’t have a window for a breeze (or a ... | 64 | 9 | [
{
"comment_id": "6411191",
"author": "Marcus",
"timestamp": "2022-01-01T21:27:56",
"content": "For the non-US-Americans (or for those who don’t know the specific heat capacity of water in kilopondmeters per fl oz from the top of their head)· 55 Gallons = 250 l· 5 of these drums thus contain 1250 kg ... | 1,760,372,836.860714 | ||
https://hackaday.com/2021/12/30/cd-player-powered-555-piano-goes-accordion-to-plan/ | CD Player Powered 555 Piano Goes Accordion To Plan | Ryan Flowers | [
"classic hacks"
] | [
"555",
"accordion",
"cd player",
"DVD player",
"generator",
"punk"
] | Ah yes, the 555 piano project. Be it the Atari Punk Console, or some other 555 based synthesizer, Hackers just love to hear what the 555 can do when attached to a few passives and a speaker. It’s a sound to behold. But for [Berna], that wasn’t quite enough! Below the break, you can
see his creation
, called the Acordeo... | 8 | 7 | [
{
"comment_id": "6410823",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-31T00:39:00",
"content": "Okay, if this is an entry in the 555 Contest, I may as well quit now! B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6410826",
... | 1,760,372,837.096692 | ||
https://hackaday.com/2021/12/30/taking-a-close-look-at-hawkeyes-workbench/ | Taking A Close Look At Hawkeye’s Workbench | Tom Nardi | [
"Tool Hacks"
] | [
"disney",
"Hacking in the media",
"marvel",
"sci-fi",
"workbench"
] | We don’t have to tell you that the representation hackers and makers get in popular media is usually pretty poor. At this point, we’ve all come to accept that Hollywood is only interested in perpetuating negative stereotypes about hackers. But in scenes where the plot calls for a character to be working on an electroni... | 51 | 13 | [
{
"comment_id": "6410778",
"author": "dudefromthenorth",
"timestamp": "2021-12-30T21:48:01",
"content": "#4 is a neon bulb tester.#5 looks like silver solder.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410783",
"author": "dudefromthenorth",
... | 1,760,372,837.050124 | ||
https://hackaday.com/2021/12/30/electric-wheelchair-dump-truck-hack-really-hauls/ | Electric Wheelchair Dump Truck Hack Really Hauls | Ryan Flowers | [
"hardware"
] | [
"24v",
"electric wheelchair",
"electromechanical",
"h-bridge",
"hydraulic pump",
"hydraulic ram",
"mechanical",
"relay",
"relays"
] | Have you ever looked at a derelict electric wheelchair and thought “I bet I could make something great with that!” Of course you have- this is Hackaday, after all! And so did [Made in Poland], who managed to get a hold of a broken down electric wheelchair and
put the full utility of his well equipped metalworking shop ... | 5 | 4 | [
{
"comment_id": "6410803",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-30T23:18:02",
"content": "I would have loved to have done something like that with my (late) father-in-law’s scooter.But, no time or space to do it, so it was donated.",
"parent_id": null,
"dept... | 1,760,372,836.964034 | ||
https://hackaday.com/2021/12/30/remoticon-2021-uri-shaked-reverses-the-esp32-wifi/ | Remoticon 2021: Uri Shaked Reverses The ESP32 WiFi | Elliot Williams | [
"cons",
"Hackaday Columns",
"Software Hacks"
] | [
"2021 Hackaday Remoticon",
"ESP32",
"reverse engineering",
"simulation",
"wifi",
"wokwi"
] | You know how when you’re working on a project, other side quests pop up left and right? You can choose to handle them briefly and summarily, or you can dive into them as projects in their own right. Well, Uri Shaked is the author of
Wokwi
, an online Arduino simulator that allows you to test our your code on emulated h... | 9 | 4 | [
{
"comment_id": "6410715",
"author": "Frankel",
"timestamp": "2021-12-30T18:28:37",
"content": "Also didn’t like the ALL CAPS headlines. Took me a while to figure out it is not Uniform Resource Identifier.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64107... | 1,760,372,837.139067 | ||
https://hackaday.com/2021/12/30/when-a-ball-robot-becomes-two-wheels/ | When A Ball Robot Becomes Two Wheels | Jenny List | [
"Robots Hacks"
] | [
"ballbot",
"gimbal motor",
"spherical robot"
] | It’s now about six years since
Star Wars: The Force Awakens
first showed us the little spherical robot BB-8, but it’s fair to say that along the way we’ve not lost our collective fascination for rolling-ball robots. There have been plenty of attempts to make a fully-rolling device, but perhaps [Derek Lieber] has a bett... | 8 | 5 | [
{
"comment_id": "6410673",
"author": "monsonite",
"timestamp": "2021-12-30T16:34:49",
"content": "Stairs or inclines might be a problem…….",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410680",
"author": "darthvader",
"timestamp": "2021-12-... | 1,760,372,837.186781 | ||
https://hackaday.com/2021/12/30/new-cars-will-nickle-and-dime-you-its-automotive-as-a-service/ | New Cars Will Nickel-and-Dime You – It’s Automotive As A Service | Lewin Day | [
"car hacks",
"Current Events",
"Featured",
"Original Art",
"Slider"
] | [
"automotive as a service",
"bmw",
"car net",
"features on demand",
"functions on demand",
"mercedes",
"mercedes benz",
"nissan",
"subscription",
"subscription fee",
"subscription service",
"toyota",
"volkswagen"
] | Every few years, someone pushing a startup to investors comes up with an acronym or buzzword which rapidly becomes the new hotness in those circles. One of the most pernicious is “as a Service,” which takes regular things and finds a way to charge you a regular fee to use them.
Automotive companies just absolutely love... | 230 | 43 | [
{
"comment_id": "6410646",
"author": "Reality+Bites",
"timestamp": "2021-12-30T15:12:41",
"content": "In the automotive world “Service” is just another word for Screw.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410937",
"author": "nospam",
... | 1,760,372,837.747771 | ||
https://hackaday.com/2021/12/30/esp32-pretends-to-be-gpu-gives-you-a-ransomware-scare/ | ESP32 Pretends To Be GPU; Gives You A Ransomware Scare | Arya Voronova | [
"computer hacks",
"Security Hacks"
] | [
"ESP32",
"Lilygo",
"ransomware",
"vga",
"VGA generation"
] | Sometimes a piece of hardware meets a prank idea, and that’s how the fun Hackaday articles are born. [AnotherMaker]
shows us some harmless entertainment
at the expense of an IT enthusiast in your life – programming an ESP32-powered devboard with a VGA output to show an ever-feared “all your files are encrypted” screen ... | 27 | 9 | [
{
"comment_id": "6410608",
"author": "none",
"timestamp": "2021-12-30T12:11:35",
"content": "I haven’t used VGA in 15 years.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410621",
"author": "Eric Chapin",
"timestamp": "2021-12-30T13:34:20",... | 1,760,372,837.242898 | ||
https://hackaday.com/2021/12/30/3d-printed-model-roller-coaster-accurately-simulates-the-real-thing/ | 3D Printed Model Roller Coaster Accurately Simulates The Real Thing | Robin Kearey | [
"Misc Hacks"
] | [
"3d printed",
"diy roller coaster",
"miniature",
"model",
"physics simulation"
] | While they don’t give the physical thrill of a real one, model roller coasters are always fun to watch. However, they actually make a poor analog of a full-sized ride, as gravitational force and aerodynamic drag don’t scale down in the same way, model roller coasters usually move way faster than the same design would i... | 11 | 7 | [
{
"comment_id": "6410596",
"author": "Andrew",
"timestamp": "2021-12-30T11:11:00",
"content": "Can we fit a camera in there? It might look sedate from the outside, but would the video from a scaled rider’s point of view seem realistic?Very cool.",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,372,837.290969 | ||
https://hackaday.com/2021/12/29/peering-into-the-murky-depths-of-alder-lake/ | Peering Into The Murky Depths Of Alder Lake | Matthew Carlson | [
"ARM",
"Misc Hacks"
] | [
"alderlake",
"gracemont",
"intel"
] | The winds of change are in the air for CPUs. Intel has long lorded over the computing world, and they remain a force to contend with, but many challengers gather at their gates. AMD, ARM, IBM, and other X86 designs sense a moment of weakness. In response, Intel released their Alder Lake platform with high-performance a... | 17 | 6 | [
{
"comment_id": "6410573",
"author": "Truth",
"timestamp": "2021-12-30T07:03:48",
"content": "It was a smart move by Intel to buy the Centaur Technology division from VIA Technologies for a very cheap $125 million, taking them off the table and blocking, if they want – which I’m sure they do, all ac... | 1,760,372,837.393326 | ||
https://hackaday.com/2021/12/29/robot-delivery-to-your-door/ | Robot Delivery To Your Door | Chris Lott | [
"Robots Hacks"
] | [
"autonomous delivery",
"drones",
"robot delivery"
] | While online shopping was already very popular in South Korea, it has become even more so as people stay home more during the pandemic. Several robotic delivery services have launched around the city, such as
7-Eleven using the Neubie robot by Neubility
, the
GS25 convenience store using LG’s CLOi ServeBot
, and the
Ba... | 21 | 12 | [
{
"comment_id": "6410561",
"author": "spiritplumber",
"timestamp": "2021-12-30T05:07:52",
"content": "https://www.youtube.com/watch?v=pi4jZKqZ8v8We’ve been doing this (and sending videos and schematics to HaD!) since 2010, by the way. Remember us?https://www.robots-everywhere.com/re_wiki/pub/web/Mai... | 1,760,372,837.809488 | ||
https://hackaday.com/2021/12/29/snap-together-macropad-does-it-without-solder/ | Snap-Together Macropad Does It Without Solder | Kristina Panos | [
"Arduino Hacks",
"Peripherals Hacks"
] | [
"3D printed everything",
"arduino",
"hot swap",
"hot swap sockets",
"macropad"
] | Maybe we’re biased, but we think everyone has a use for a macropad. It’s just a matter of time before a highly personalized set of speed controls starts to sound like a great time-saving device to have around.
Trouble is, macropads are usually kind of expensive to buy outright, and not everyone feels comfortable buildi... | 10 | 4 | [
{
"comment_id": "6410550",
"author": "TacticalNinja",
"timestamp": "2021-12-30T03:27:06",
"content": "Bit of suggestion for fixing the wire to the microcontroller pin hole: Instead of making a hook that would greatly rely on the springiness and tension of the wire, you could make a sort of “plug” sh... | 1,760,372,837.85775 | ||
https://hackaday.com/2021/12/29/build-your-own-high-temp-oven-thermometer/ | Build Your Own High-Temp Oven Thermometer | Tom Nardi | [
"Microcontrollers",
"Tool Hacks"
] | [
"Digispark",
"k-type thermocouple",
"thermocouple",
"thermometer"
] | Looking to keep an eye on the temperature inside his wood-fired pizza oven, [Giovanni Bernardo] decided to skip the commercial offerings and
build his own high-temperature thermometer using a type-K thermocouple
. The end result is a no-nonsense handheld unit with a surprisingly low part count that, at least in theory,... | 9 | 3 | [
{
"comment_id": "6410519",
"author": "Paul",
"timestamp": "2021-12-29T21:52:05",
"content": "Quiescent drain of just the *regulator* in the Digispark is a ridiculous 4 mA, and that OLED display sucks at least that much too. This will hardly last a day on that battery.I built almost the same thing f... | 1,760,372,837.906077 | ||
https://hackaday.com/2021/12/29/foam-surfboard-from-scratch/ | Foam Surfboard From Scratch | Matthew Carlson | [
"Transportation Hacks"
] | [
"foam",
"surfboard",
"XPS"
] | Have you ever wanted to make your own surfboard, but felt held back by a lack of tools, materials, or the cost of it? Drawing almost entirely from what can be found at a well-known home improvement retailer, [AndrewW1997]
details the steps needed to craft your board
.
In his guide, he details the difference between XPS... | 5 | 4 | [
{
"comment_id": "6410618",
"author": "Todd3465",
"timestamp": "2021-12-30T13:07:18",
"content": "Definitions of XPS and EPS are reversed here I believe. XPS = Extruded, EPS = Expanded The original article linked to is correct I believe",
"parent_id": null,
"depth": 1,
"replies": []
},... | 1,760,372,837.945432 | ||
https://hackaday.com/2021/12/29/astronaut-food-is-light-years-beyond-tang-and-freeze-dried-ice-cream/ | Astronaut Food Is Light Years Beyond Tang And Freeze-Dried Ice Cream | Kristina Panos | [
"cooking hacks",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"apollo",
"Apollo program",
"astronaut ice cream",
"MRE",
"Tang",
"thermostabilized turkey"
] | When it comes down to it, we humans have two major concerns when venturing away from home for an extended period of time: what we’ll eat, and where we will sleep. Depending on the mode of travel, you might take some snacks along, or else rely on restaurants and/or the pantry of your possible hosts. Until the day we can... | 9 | 7 | [
{
"comment_id": "6410483",
"author": "Alex99a",
"timestamp": "2021-12-29T19:02:52",
"content": "Gemini fuel cells did not produce potable water. The water from the Gemini fuel cells was the color of strong tea and had an odor and floating particles the crew called “furries”. Gemini crew used a separ... | 1,760,372,837.993929 | ||
https://hackaday.com/2021/12/29/modern-toilet-generates-energy/ | Modern Toilet Generates Energy | Chris Lott | [
"green hacks"
] | [
"fertilizer",
"fuel cell",
"methane",
"methane production",
"waste"
] | Environmental Engineering [Prof Jaeweon Cho] at South Korea’s Ulsan National Institute of Science and Technology specializes in water and waste management. He has developed an
energy-generating toilet called BeeVi
(pronounced
beevee
) that recycles your waste in three ways. Liquid waste is processed in a microbial reac... | 44 | 12 | [
{
"comment_id": "6410443",
"author": "Jerry",
"timestamp": "2021-12-29T16:36:47",
"content": "Sadly, this is old news. Los Angeles County has been using sewer solids to create methane, and burning it in turbines to offset the sewer plant operating costs. If ever toilet in LA used this tech, the coun... | 1,760,372,838.074729 | ||
https://hackaday.com/2021/12/29/the-current-state-of-play-in-autonomous-cars/ | The Current State Of Play In Autonomous Cars | Lewin Day | [
"car hacks",
"Hackaday Columns",
"Slider"
] | [
"autonomous car",
"autonomous driving",
"car",
"car hacks",
"cars",
"self-driving",
"self-driving technolgoy",
"self-driving technology"
] | Bluster around the advent of self-driving cars has become a constant in the automotive world in recent years. Much is promised by all comers, but real-world results – and customer-ready technologies – remain scarce on the street.
Today, we’ll dive in and take a look at the current state of play. What makes a self-drivi... | 54 | 12 | [
{
"comment_id": "6410435",
"author": "Dude",
"timestamp": "2021-12-29T15:28:12",
"content": ">self-driving technology will be sitting around the Trough of Disillusionment for manyHow about those commenters who keep proselytizing that it’s “already safer” years ago despite the complete lack of eviden... | 1,760,372,838.234227 | ||
https://hackaday.com/2021/12/29/rats-learn-to-play-doom-in-this-automated-vr-arena/ | Rats Learn To PlayDOOMIn This Automated VR Arena | Dan Maloney | [
"Games"
] | [
"doom",
"omnidirectional",
"operant conditioning",
"rat",
"rodent",
"treadmill",
"vr",
"Will It Doom?"
] | When we run an article with “DOOM” in the title, it’s typically another example of getting the venerable game running on some minimalist platform.
This DOOM-based VR rig for rats
, though, is less about hacking DOOM, and more about hacking the rats.
What started as a side project for [Viktor Tóth] has evolved into quit... | 29 | 12 | [
{
"comment_id": "6410407",
"author": "Doubleyou",
"timestamp": "2021-12-29T13:00:11",
"content": "I have four rats, so am very aware how intelligent they can be, especially if food is involved.Awesome setup and the experiment does not seem too stressful for the rat.However I am not sure, if the rat ... | 1,760,372,838.135438 | ||
https://hackaday.com/2021/12/29/the-three-cent-motor-controller/ | The Three Cent Motor Controller | Jenny List | [
"Microcontrollers"
] | [
"motor controller",
"Padauk",
"position sensor"
] | If you follow the world of small microcontrollers you will certainly be familiar with the usual fare of Atmel, ARM Cortex, PIC, and others. But these aren’t the smallest or cheapest devices, below them is an entire category of grain-of-dust microcontrollers with minimal capabilities and at rock bottom prices. Maybe the... | 20 | 13 | [
{
"comment_id": "6410391",
"author": "adam strick",
"timestamp": "2021-12-29T10:12:07",
"content": "This is a fantastic tip",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6410392",
"author": "nqtronix",
"timestamp": "2021-12-29T10:16:54",
"content"... | 1,760,372,838.284046 | ||
https://hackaday.com/2021/12/28/1950s-vacuum-tube-computer-replica-communicates-through-usb/ | 1950s Vacuum Tube Computer Replica Communicates Through USB | Robin Kearey | [
"Retrocomputing"
] | [
"adding machine",
"nixdorf",
"vacuum tube computer"
] | When we talk about a “computer” today, we generally picture an electronic machine that can perform various kinds of mathematical operations, manage its program flow, move data from one place to another, and string all these functions together to perform some useful task. But once upon a time there were machines that co... | 15 | 7 | [
{
"comment_id": "6410363",
"author": "x14km2d",
"timestamp": "2021-12-29T06:39:00",
"content": "The video is super interesting, for a German, because the automatic translation of Youtube is terrible. Especially with old or technical terms the translation seems to have strong problems.",
"parent_... | 1,760,372,838.333608 | ||
https://hackaday.com/2021/12/28/uv-printing-pcbs/ | UV Printing PCBs | Al Williams | [
"3d Printer hacks"
] | [
"3d printer",
"pcb",
"printed circuit boards"
] | We always enjoy [Thomas Sanladerer’s] 3D printing videos. But his latest isn’t only about 3D printing. He shows how he uses a DLP printer — which has UV light, after all — to
expose PC board blanks
with great results. Honestly, once we heard the idea, we immediately saw how that could work it is surprising more people ... | 12 | 7 | [
{
"comment_id": "6410365",
"author": "vex",
"timestamp": "2021-12-29T06:56:43",
"content": "This is an LCD 3D printer, no DLP inside!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6410369",
"author": "Daniel",
"timestamp": "2021-12-29T07:13:10",
... | 1,760,372,838.613069 | ||
https://hackaday.com/2021/12/28/clear-off-the-coffee-table-its-pinball-time/ | Clear Off The Coffee Table, It’s Pinball Time | Kristina Panos | [
"Games"
] | [
"coffee table",
"fpga",
"linear actuators",
"pinball",
"pinball machine"
] | Like many of us, [BuildXYZ] has always wanted to own a pinball machine, but doesn’t have the space to justify buying such a big and heavy toy. But where there’s a will, there’s a way. [BuildXYZ] figured that
if they could build a pinball machine into a coffee table form factor
, they’d be at least halfway to justificat... | 10 | 7 | [
{
"comment_id": "6410322",
"author": "adrian godwin",
"timestamp": "2021-12-29T00:10:20",
"content": "Aaaaargh ! What did you do with the backglass ?!! It’s not just for the scores – it has the most important part of the artwork.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,838.87069 | ||
https://hackaday.com/2021/12/28/enter-the-matrix-with-this-custom-pc-side-panel/ | Enter The Matrix With This Custom PC Side Panel | Tom Nardi | [
"computer hacks",
"LED Hacks"
] | [
"Case mod",
"digital rain",
"matrix",
"pc case"
] | With a new
Matrix
movie out now, it’s hardly a surprise that we’re starting to see more and more projects centered around the franchise’s iconic “Digital Rain” effect. A few particularly unique examples have floated to the top of this virtual tsunami of green-tinted sushi recipes,
such as this very slick RGB LED PC sid... | 17 | 7 | [
{
"comment_id": "6410300",
"author": "Paul",
"timestamp": "2021-12-28T22:10:26",
"content": "This too shall pass.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410305",
"author": "Urgon",
"timestamp": "2021-12-28T23:06:22",
"content... | 1,760,372,838.77591 | ||
https://hackaday.com/2021/12/28/diy-infrared-calculator-printer/ | DIY Infrared Calculator Printer | Chris Lott | [
"handhelds hacks",
"Retrocomputing"
] | [
"calculators",
"IR printer",
"irda",
"Redeye",
"SIR"
] | [Ziggurat29] had been playing around with infrared protocols, and realized he had a spare point-of-sale printer kicking around in his junk box. So he decided to
whip up his own calculator infrared printer
by bolting on an STM32 Blue Pill module and an IR receiver. [Ziggurat29] initially thought such a homemade printer ... | 5 | 2 | [
{
"comment_id": "6410271",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-28T20:00:42",
"content": "“[Ziggurat29] initially thought such a homemade printer would be cheaper than a commercial HP 82240 IR printer, even a used one. In hindsight, these point-of-sale printers can ... | 1,760,372,838.824204 | ||
https://hackaday.com/2021/12/28/linux-fu-dont-share-well-with-others/ | Linux Fu: Don’t Share Well With Others | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"linux"
] | In kindergarten, you learn that you should share. But for computer security, sharing is often a bad thing. The Linux kernel introduced the concept of namespaces starting with version 2.6.24. That’s been a few years ago, but namespaces are not used by many even though the tools exist to manipulate them. Granted, you don... | 14 | 6 | [
{
"comment_id": "6410256",
"author": "X",
"timestamp": "2021-12-28T18:59:11",
"content": "Between unshare and chroot and docker it seems like there are three hacks and no good answers.This is high security stuff and should be well thought out and well architected but this is just a mess. Mountains o... | 1,760,372,838.569839 | ||
https://hackaday.com/2021/12/28/the-pinouts-book-is-here-and-its-just-what-you-need/ | The Pinouts BookIs Here, And It’s Just What You Need | Tom Nardi | [
"hardware"
] | [
"book",
"N-O-D-E",
"node",
"pinouts",
"Technical documentation"
] | Updates from the enigmatic [NODE] are unfortunately few and far between these days. In fact his latest post is only the second time we’ve heard from the hacker in 2021. But as we’ve come to expect from his white-on-sorta-black releases, it certainly doesn’t disappoint.
Just in time to ring in whatever holiday you may c... | 42 | 21 | [
{
"comment_id": "6410226",
"author": "metalman",
"timestamp": "2021-12-28T16:42:06",
"content": "Humbled and thankfull.I would like to make similar contrebutionsat some time in my own field someday.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6410227",
... | 1,760,372,839.087169 | ||
https://hackaday.com/2021/12/28/quantum-atomic-interferometer-for-precision-motion-sensing/ | Quantum Atomic Interferometer For Precision Motion Sensing | Dave Rowntree | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"accelerometer",
"atomic interferometer",
"getter",
"gyrometer",
"laser",
"optical",
"quantum accelerometer",
"rubidium",
"vacuum"
] | The current state of the art of embedded motion sensing is based around micro-electromechanical systems (MEMS) devices. These miracles of microfabrication use tiny silicon structures, configured to detect acceleration and rotational velocity in three dimensions. Accumulate these accelerations and rotations, and you’ve ... | 16 | 5 | [
{
"comment_id": "6410224",
"author": "Piotrsko",
"timestamp": "2021-12-28T16:24:45",
"content": "Whose hamburger? Big difference between a designer burger at an expensive bistro versus a happy meal",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410236",
... | 1,760,372,838.971681 | ||
https://hackaday.com/2021/12/28/laser-doping-his-way-to-homemade-silicon-chips/ | Laser Doping His Way To Homemade Silicon Chips | Dan Maloney | [
"Laser Hacks",
"Misc Hacks"
] | [
"Boron",
"dopant",
"dope",
"doping",
"fiber laser",
"laser",
"phosphorus",
"silicon",
"wafer"
] | It’s a pity that more electronics enthusiasts haven’t taken the hobby to its ultimate level: making your own semiconductors. There are plenty of good reasons for that: chief among them is the huge expense involved in obtaining the necessary equipment. But for the sufficiently clever, there are ways around that.
[Zachar... | 8 | 5 | [
{
"comment_id": "6410201",
"author": "Peter+Burkimsher",
"timestamp": "2021-12-28T13:37:51",
"content": "Would it be possible to use this technology to use laser doping to etch a diffraction grating for photonic experimens?I’m specifically interested in trying to make a 0.3 µm filter for UV light, f... | 1,760,372,838.91436 | ||
https://hackaday.com/2021/12/28/turing-ring-is-compact/ | Turing Ring Is Compact | Al Williams | [
"Arduino Hacks",
"LED Hacks",
"Retrocomputing"
] | [
"arduino nano",
"neopixel",
"turning machine"
] | One of the problems with a classic Turing machine is the tape must be infinitely long. [Mark’s]
Turing Ring
still doesn’t have an infinite tape, but it does make it circular to save space. That along with a very clever and capable UI makes this one of the most usable Turing machines we’ve seen. You can see a demo in th... | 2 | 1 | [
{
"comment_id": "6410258",
"author": "CRJEEA",
"timestamp": "2021-12-28T19:03:18",
"content": "I guess there’s not much to stop you from making this ring into a coil and having virtual loops in software, to essentially have a tape length that’s only limited by the available memory. Add a terabyte or... | 1,760,372,839.004849 | ||
https://hackaday.com/2021/12/27/custom-christmas-light-controller-blocks-blinks/ | Custom Christmas Light Controller Blocks Blinks | Tom Nardi | [
"LED Hacks"
] | [
"555 timer",
"74HC74D",
"h-bridge",
"power supply",
"square wave"
] | Finding that his recently purchased LED Christmas lights defaulted to an annoying blinking pattern that took a ridiculous
seven
button presses to disable each time they were powered up, [Matthew Millman] decided to
build a new power supply that keeps things nice and simple
. In his words, the goal was to enable “all li... | 8 | 6 | [
{
"comment_id": "6410168",
"author": "Drone",
"timestamp": "2021-12-28T07:01:37",
"content": "@Tom Nardi said: “[Matthew] found the stock “steady on” setting was a 72 VAC peak-to-peak square wave at about 500 Hz. To recreate this, he essentially needed to find a 32 VDC power supply and swap the pola... | 1,760,372,839.132937 | ||
https://hackaday.com/2021/12/27/voice-command-made-mostly-easy/ | Voice Command Made Mostly Easy | Al Williams | [
"Arduino Hacks"
] | [
"speech recognition",
"voice",
"voice command",
"voice recognition"
] | Speech commands are all the rage on everything from digital assistants to cars. Adding it to your own projects is a lot of work, right? Maybe not. [Electronoobs] shows a
speech board
that lets you easily integrate 255 voice commands via serial communications with a host computer. You can see the review in the video bel... | 19 | 6 | [
{
"comment_id": "6410144",
"author": "CRJEEA",
"timestamp": "2021-12-28T03:47:44",
"content": "I remember reading about the old version thinking it was pretty interesting. In theory it might be possible to add a sort of bootstrap operating system, so you can use voice commands to program further voi... | 1,760,372,839.184599 | ||
https://hackaday.com/2021/12/27/single-bit-computer-from-vacuum-tubes/ | Single Bit Computer From Vacuum Tubes | Chris Lott | [
"Retrocomputing"
] | [
"MC14500",
"microcontroller",
"vacuum tube computer"
] | Culminating a year-long project, [Usagi Electric] aka [David] has just wrapped up his
single-bit vacuum tube computer
. It is based on the
Motorola MC14500 1-bit industrial controller
, but since [David] changed the basic logic unit into an arithmetic-logic unit, he’s dubbing it the
UE14500
. Built on a wooden panel ab... | 53 | 17 | [
{
"comment_id": "6410107",
"author": "spiritplumber",
"timestamp": "2021-12-28T00:20:44",
"content": "bnuuy",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410108",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-28T00:... | 1,760,372,839.487673 | ||
https://hackaday.com/2021/12/27/taste-the-television-tttv/ | Taste The Television: TTTV | Chris Lott | [
"chemistry hacks",
"cooking hacks"
] | [
"Taste the TV",
"taste-o-vision",
"television",
"TTTV"
] | Associate Professor [Homei Miyashita] from Meiji University’s School of Science and Technology in Tokyo has developed
a new technology for reproducing taste on a television or monitor
, a system called
Taste the TV
(TTTV). The team of researchers used taste sensors to sample a variety of foods, and came up with a palet... | 18 | 11 | [
{
"comment_id": "6410074",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-27T21:42:46",
"content": "So now we will get to taste all of the crappy programs.Yecch!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6410076",
"author": "An... | 1,760,372,839.401608 | ||
https://hackaday.com/2021/12/27/whipping-together-a-little-ray-tracer-racer/ | Whipping Together A Little Ray Tracer Racer | Matthew Carlson | [
"Games",
"Software Development"
] | [
"racing",
"Raytracing",
"rtx",
"rust"
] | When you hear raytracing, you might think of complex dark algorithms that to stare too long at their source code invites the beginning of madness. And you’re technically not far off from the truth, but [h3r2tic] put a
small open-source ray tracing game demo up on GitHub
. The actual rust code powering the game is relat... | 11 | 4 | [
{
"comment_id": "6410130",
"author": "DainBramage",
"timestamp": "2021-12-28T01:35:23",
"content": "Too bad RTX video cards are basically unobtanium. (sigh)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410470",
"author": "Knobby McFeck",
"... | 1,760,372,839.547011 | ||
https://hackaday.com/2021/12/27/its-printable-its-programmable-its-e-coli/ | It’s Printable, It’s Programmable, It’s E. Coli | Kristina Panos | [
"News",
"Science"
] | [
"biopolymer",
"E coli",
"fibrin",
"ink",
"microbes",
"microbial ink",
"printable bacteria"
] | Well, whaddya know? It seems that E. coli, the bane of Romaine and spinach everywhere, has at least one practical use.
Researchers at Harvard have created a kind of 3D-printable ink that is alive and made entirely of microbes produced by E. coli
. Although this is not the first so-called living ink, it does hold the ti... | 11 | 5 | [
{
"comment_id": "6410037",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-27T18:08:53",
"content": "What could possibly go wrong?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410049",
"author": "Feinfinger (with diabolic la... | 1,760,372,839.596161 | ||
https://hackaday.com/2021/12/27/rc3-2021-now-here-nowhere/ | RC3 2021: Now Here, Nowhere | Elliot Williams | [
"cons",
"News"
] | [
"Chaos Computer Club",
"rC3"
] | The annual meeting of the Chaos Computer Club, Germany’s giant hacker group,
is online again this year
. While those of us here are sad that we don’t get to see our hacker friends in person, our loss is your gain — the whole thing is online for the entire world to enjoy.
This year’s Congress has gone entirely decentral... | 6 | 1 | [
{
"comment_id": "6410033",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2021-12-27T18:02:08",
"content": "The 2D Parallel World seems interesting.Did it have an audio track?(I heard nothing)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "64... | 1,760,372,839.633937 | ||
https://hackaday.com/2021/12/27/the-label-says-hdmi-2-1-but-that-doesnt-mean-youll-get-it/ | The Label Says HDMI 2.1 But That Doesn’t Mean You’ll Get It | Lewin Day | [
"Business",
"Current Events",
"Featured",
"home entertainment hacks",
"Original Art",
"Slider"
] | [
"hdmi",
"HDMI 2.0",
"HDMI 2.1",
"HDMI Licencing Authority",
"hdr",
"news",
"standards"
] | Technology moves quickly these days as consumers continue to demand more data and more pixels. We see regular updates to standards for USB and RAM continually coming down the pipeline as the quest for greater performance goes on.
HDMI 2.1 is the latest version of the popular audio-visual interface, and promises a raft ... | 48 | 19 | [
{
"comment_id": "6409998",
"author": "Blodgar",
"timestamp": "2021-12-27T15:15:01",
"content": "Caveat Emptor! Or as the manufacturers and standards group are implying, “Chuck you, Farley! “",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6410317",
"a... | 1,760,372,839.787193 |
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