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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/07/17/adapter-board-expands-the-pi-zero/ | Adapter Board Expands The Pi Zero | Bryan Cockfield | [
"Raspberry Pi"
] | [
"adapter board",
"ethernet",
"pi 3b",
"pi zero",
"raspberry pi",
"USB ports"
] | The standard Raspberry Pi computers have been in short supply for a while now, so much so that people are going to great lengths to find replacements. Whether it’s migrating to alternative single-board computers or finding clones of the Pi that are “close enough”, there are solutions out there.
This method of building ... | 23 | 13 | [
{
"comment_id": "6663778",
"author": "John P.",
"timestamp": "2023-07-17T15:54:52",
"content": "Oh that’s funny. I have two of these running. One just because it’s convenient to add an ethernet port to a Pi Zero (1) in a way that’s bolted down. And the other is a Pi Zero 2w that is in a HDD enclosur... | 1,760,372,232.697519 | ||
https://hackaday.com/2023/07/17/displayport-under-the-hood/ | DisplayPort: Under The Hood | Arya Voronova | [
"Engineering",
"Featured",
"Interest",
"News",
"Slider"
] | [
"display port",
"engineering"
] | Last time,
we looked at all the things that make DisplayPort unique for its users
. What about the things that make it unique for hackers? Let’s get into all the ways that DisplayPort can serve you on your modern tech wrangling adventures.
You Are Watching The AUX Channel
With DisplayPort, the I2C bus we’ve always seen... | 14 | 3 | [
{
"comment_id": "6663763",
"author": "madmod",
"timestamp": "2023-07-17T14:48:49",
"content": "I really love the in depth protocol explanations!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6663764",
"author": "ihsr",
"timestamp": "2023-07-17T14:57:4... | 1,760,372,232.49999 | ||
https://hackaday.com/2023/07/17/finding-undocumented-8086-instructions-via-microcode/ | Finding Undocumented 8086 Instructions Via Microcode | Al Williams | [
"Retrocomputing"
] | [
"8086",
"ken shirriff",
"undocumented instructions"
] | Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are holes, try those values, and see what happens. Not good enough for [Ken Shirriff]. He prefers examining the CPU’s microco... | 23 | 8 | [
{
"comment_id": "6663721",
"author": "BT",
"timestamp": "2023-07-17T12:23:32",
"content": "Very interesting, I love [Ken Shirriff]’s articles. I notice now that c9h is a return instruction on the 8086 as well as the z80!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,232.394148 | ||
https://hackaday.com/2023/07/17/diy-laser-for-ablating-metal/ | DIY Laser For Ablating Metal | Bryan Cockfield | [
"Laser Hacks"
] | [
"ablation",
"blue laser",
"circuit board",
"cnc",
"copper",
"grbl",
"laser",
"pcb",
"Printed Circuit Board"
] | For those who wish to go beyond through-hole construction on perfboard for their circuit boards, a printed circuit board is usually the next step up. Allowing for things like surface-mount components, multi-layer boards, and a wider array of parts, they are much more versatile but do have a slight downside in that they... | 51 | 13 | [
{
"comment_id": "6663693",
"author": "Henrik",
"timestamp": "2023-07-17T09:26:43",
"content": "Who doesn’t have a 9KW laser laying around the lair?Oh wait, they are mounted on my pet sharks",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663743",
"au... | 1,760,372,232.588117 | ||
https://hackaday.com/2023/07/16/illumos-gets-a-new-c-compiler/ | Illumos Gets A New C Compiler | Al Williams | [
"Software Development",
"Software Hacks"
] | [
"illuminos",
"pcc",
"solaris",
"unix"
] | Illumos is an OpenSolaris-derived Unix system, and no Unix is complete without a C compiler or two. And with a name like Portable C Compiler (PCC), you would think that would be a great bet to get up and running on Illumos. That’s probably what [Brian Callahan] thought, too, but
found out otherwise
.
PCC already genera... | 15 | 4 | [
{
"comment_id": "6663676",
"author": "M",
"timestamp": "2023-07-17T06:00:07",
"content": "This is actually probably pertinent to the people over at Oxide. The rack they just started shipping runs on an illumos kernel.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,232.639996 | ||
https://hackaday.com/2023/07/16/improving-ocean-power-with-static-electricity/ | Improving Ocean Power With Static Electricity | Al Williams | [
"News",
"Science"
] | [
"triboelectric"
] | Water is heavy, so if you think about it, a moving ocean wave has quite a bit of energy. Scientists have a new way to use triboelectric generators to
harvest that power for oceangoing systems
. (PDF) Triboelectric nanogenerators (TENGs) are nothing new, but this new approach allows for operation where the waves have lo... | 19 | 5 | [
{
"comment_id": "6663653",
"author": "M",
"timestamp": "2023-07-17T02:20:21",
"content": "There have been LOTS of attempts to harness ocean movement for electricity generation. It’s not an efficiency problem.All the tidal energy capture systems ever built have been smashed apart by storms.https://ww... | 1,760,372,232.323906 | ||
https://hackaday.com/2023/07/16/hackaday-links-july-16-2023/ | Hackaday Links: July 16, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"bearings",
"Endeavor",
"engine failure",
"flying car",
"ford",
"full stack",
"hackaday links",
"Kia",
"knock sensor",
"loom",
"mars",
"museum",
"Perseverance",
"recall",
"retrocomputer",
"sample return",
"Space Shuttle",
"textile"
] | Last week
, we noted an attempt to fix a hardware problem with software, which backfired pretty dramatically for Ford when they tried to counter the tendency for driveshafts to fall out of certain of their cars by automatically applying the electric parking brake.
This week, the story is a little different, but still i... | 26 | 7 | [
{
"comment_id": "6663625",
"author": "Eric",
"timestamp": "2023-07-16T23:47:33",
"content": "I don’t think that computer is a PET. It used Sharp monitor and PET all used built in monitor with no logo on the CRT bezel",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,372,232.227435 | ||
https://hackaday.com/2023/07/16/halbach-array-makes-magents-strong-weak/ | Halbach Array Makes Magnets Strong, Weak | Al Williams | [
"Misc Hacks"
] | [
"halbach array",
"magnet"
] | If you want a strong magnet, the obvious answer is to buy one. However, for a variety of reasons, you might want to combine several smaller magnets. There are a few ways to do this, but the
Halbach array
, as [wannabemadsci] explains, allows you to make an array of magnets where one side is very strong, and the other s... | 15 | 5 | [
{
"comment_id": "6663576",
"author": "now just Bob",
"timestamp": "2023-07-16T20:05:08",
"content": ">Magents ? Typo???",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663577",
"author": "Al Williams",
"timestamp": "2023-07-16T20:06:38",
... | 1,760,372,232.15887 | ||
https://hackaday.com/2023/07/16/sleuth-untrusted-usb-communication-with-usbvalve/ | Sleuth Untrusted USB Communication With USBValve | Abe Connelly | [
"Peripherals Hacks",
"Security Hacks"
] | [
"I2C oled",
"malware",
"PenetrationTesting",
"Raspberry Pi Pico",
"tinyusb"
] | USB devices are now ubiquitous and, from an information security standpoint, this is a terrifying prospect as malicious software can potentially be injected into a system by plugging in a compromised USB stick. To help get some piece of mind, [Cesare Pizzi] created
USBValve
to help expose suspicious USB activity on the... | 11 | 5 | [
{
"comment_id": "6663566",
"author": "",
"timestamp": "2023-07-16T19:29:51",
"content": "Would be nice to have one of these that restricts a device to a single type (e.g: A USB Drive cannot become a mouse later on). Then you could log both malicious hosts and badusbs. Could also make a tester that ... | 1,760,372,232.441143 | ||
https://hackaday.com/2023/07/16/a-current-sensing-coil-thats-open-ended/ | A Current Sensing Coil That’s Open Ended | Jenny List | [
"Tool Hacks"
] | [
"current sense",
"rogowski coil",
"sense coil"
] | One of the joys of writing for Hackaday comes in learning new things which even after a long engineering background haven’t yet come your way. So it is with the Rogowski coil, an AC current sensing coil which is unlike conventional current transformers in that it’s open ended — in other words not needing to be closed a... | 9 | 4 | [
{
"comment_id": "6663471",
"author": "Rex",
"timestamp": "2023-07-16T14:09:28",
"content": "Is this one of those devices that I see on TV that is used to detect if a ghost has been in a room? If so then I want one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,372,232.26894 | ||
https://hackaday.com/2023/07/16/brute-forcing-a-mobiles-pin-over-usb-with-a-3-board/ | Brute Forcing A Mobile’s PIN Over USB With A $3 Board | Donald Papp | [
"Security Hacks"
] | [
"brute force",
"keystroke injection",
"otg",
"pin",
"usb"
] | Mobile PINs are a lot like passwords in that there are a number of very common ones, and [Mobile Hacker] has a clever proof of concept that uses a tiny microcontroller development board to emulate a keyboard to
test the 20 most common unlock PINs on an Android device
.
Trying the twenty most common PINs doesn’t take lo... | 52 | 22 | [
{
"comment_id": "6663433",
"author": "hsrjs",
"timestamp": "2023-07-16T12:03:01",
"content": "What if my PIN is 2137? It’s a holy (papal) numer but not very common unless youre Polish.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663498",
"author"... | 1,760,372,233.001233 | ||
https://hackaday.com/2023/07/16/hackaday-prize-2023-pi-pico-measures-volts-amps-and-watts/ | Hackaday Prize 2023: Pi Pico Measures Volts, Amps And Watts | Robin Kearey | [
"Tool Hacks"
] | [
"INA219",
"power meter",
"rp2040",
"wattmeter"
] | Measuring a voltage is pretty easy: just place your multimeter’s probes across the relevant pins and read the value. Probing currents is a bit trickier, since you need to open up the circuit and place your probes in series. Checking a circuit’s power consumption is the hardest, since you need to measure both voltage an... | 6 | 2 | [
{
"comment_id": "6663415",
"author": "solipso",
"timestamp": "2023-07-16T10:29:20",
"content": "Wow! So much innovative. And it only runs on a dual core 100MHz+ computer with pebble 256kB RAM! I am petrified.Anyway, it is nice and working and all, but why such mundane project gets chosen for HaD art... | 1,760,372,233.148377 | ||
https://hackaday.com/2023/07/15/reverse-engineering-a-classic-thinkpad-battery/ | Reverse Engineering A Classic ThinkPad Battery | Bryan Cockfield | [
"laptops hacks"
] | [
"3d printed",
"701",
"701c",
"attiny",
"battery",
"cloning",
"nickel metal hydride",
"nimh",
"pcb",
"reverse engineering",
"thinkpad"
] | The ThinkPad 701 is an iconic laptop series from the mid-90s and is still highly sought after today because of its famous butterfly keybaord. The laptop itself is tiny even by the standards of the time, so in order to fit a full-size keyboard IBM devised a mechanism where the keyboard splits and slides over itself to h... | 14 | 5 | [
{
"comment_id": "6663367",
"author": "Mhajicek",
"timestamp": "2023-07-16T07:42:36",
"content": "How does the processing power of the new battery controller compare to that of the laptop?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663372",
"auth... | 1,760,372,233.19696 | ||
https://hackaday.com/2023/07/15/gravity-wave-detector-is-galactic-sized/ | Gravity Wave Detector Is Galactic Sized | Al Williams | [
"News",
"Science",
"Space"
] | [
"gravity waves",
"pulsars"
] | Detecting gravity waves isn’t easy. But what if you had a really big detector for a long time? That’s what researchers did when they crunched
15 years’ worth of data from the NANOGrav data se
t. The data was collected from over 170 radio astronomers measuring millisecond pulsars as a way to potentially detect low-frequ... | 13 | 6 | [
{
"comment_id": "6663247",
"author": "Pat",
"timestamp": "2023-07-16T03:38:38",
"content": "Gravitational waves. Gravity waves was taken: they’re actually the waves you probably think about the most common, as in, a wave with gravity as the restoring force, like waves on an ocean.",
"parent_id":... | 1,760,372,233.049127 | ||
https://hackaday.com/2023/07/15/pi-zero-runs-doom-via-wireless-power/ | Pi Zero RunsDOOMVia Wireless Power | Donald Papp | [
"Raspberry Pi"
] | [
"doom",
"Raspberry Pi W",
"tft",
"touchscreen",
"wireless charging",
"Wireless power"
] | What’s better than a Raspberry Pi Zero running
DOOM
on a 3.5″ touchscreen?
Running it over wireless power
, of course!
[atomic14] has been interested in wireless power for a while, and while most of the hardware he’s tested over the years has been less than impressive, he demonstrates one that’s able to reliably delive... | 8 | 6 | [
{
"comment_id": "6663205",
"author": "IsRadioKill",
"timestamp": "2023-07-16T02:19:46",
"content": "I bet some supercaps and the required balancing hardware would give you just enough power to re-align the device.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,233.099492 | ||
https://hackaday.com/2023/07/15/hackaday-prize-2023-omote-universal-remote/ | Hackaday Prize 2023: OMOTE Universal Remote | Tom Nardi | [
"home entertainment hacks",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"remote control",
"TV remote"
] | A good universal remote can help tame today’s complex home entertainment systems, combining both classic IR and more modern WiFi and Bluetooth connectivity with programmable functions that allow the user to execute multi-step operations with a single button. Unfortunately, programming them often involves the use of clu... | 39 | 14 | [
{
"comment_id": "6663091",
"author": "Andy",
"timestamp": "2023-07-15T20:27:42",
"content": "Very nice. Have you tested it for reilience to canine interest? 😀",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663179",
"author": "The Commenter Formerly... | 1,760,372,233.464191 | ||
https://hackaday.com/2023/07/15/ssh-can-handle-spaces-in-command-line-arguments-strangely/ | SSH Can Handle Spaces In Command-line Arguments Strangely | Donald Papp | [
"Linux Hacks"
] | [
"bug",
"linux",
"openssh",
"parsing",
"ssh"
] | One of the things
ssh
can do is execute a command on a remote server. Most of us expect it to work transparently when doing so, simply passing the command and its arguments on without any surprises in the process. But after 23 years of using OpenSSH on a nearly daily basis, [Martin Kjellstrand] got surprised.
It turns ... | 48 | 17 | [
{
"comment_id": "6662982",
"author": "Myself",
"timestamp": "2023-07-15T17:09:14",
"content": "My least favorite SSH quirk is when ssh’ing into a headless Raspberry Pi, I could never get my locale set up, no matter how much I worked with raspi_config and localegen and every search result on the whol... | 1,760,372,233.375023 | ||
https://hackaday.com/2023/07/15/sweet-hacks/ | Sweet Hacks | Elliot Williams | [
"3d Printer hacks",
"Hackaday Columns",
"Rants",
"Slider"
] | [
"newsletter"
] | While talking about a
solar powered portable Bluetooth speaker project
on the podcast, I realized that I have a new category of favorite hacks: daily-use hacks.
If you read Hackaday long enough, you’ll start to categorize everything. There are the purely technical hacks, beautiful hacks, minimalist hacks, maximalist ha... | 6 | 5 | [
{
"comment_id": "6662946",
"author": "Danjovic",
"timestamp": "2023-07-15T15:20:26",
"content": "That’s a good subject for a contest, don’t you think?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6663474",
"author": "Elliot Williams",
"time... | 1,760,372,233.247222 | ||
https://hackaday.com/2023/07/15/these-fake-nixie-tubes-have-a-bootup-screen/ | These Fake Nixie Tubes Have A Bootup Screen | Donald Papp | [
"clock hacks",
"Parts"
] | [
"bootup",
"clock",
"fake nixie",
"nixie",
"oled"
] | [IMSAI Guy] bought a fake Nixie clock, and luckily for all of us has filmed
a very close look and demonstration
. Using OLED displays as the fake Nixie elements might seem like cheating to some, the effect is really very well done.
Clock digits with bootup screens is something we didn’t know we liked until we saw it.
W... | 35 | 13 | [
{
"comment_id": "6662895",
"author": "dos",
"timestamp": "2023-07-15T11:20:58",
"content": "When I was a kid, I used to add fake splash screens to my applications and trigger random HDD usage just to make it seem that a Big Serious App™ is being loaded.",
"parent_id": null,
"depth": 1,
"... | 1,760,372,233.541116 | ||
https://hackaday.com/2023/07/15/planar-speaker-build-uses-hard-drive-magnets/ | Planar Speaker Build Uses Hard Drive Magnets | Al Williams | [
"digital audio hacks"
] | [
"foil",
"planar speakers",
"speakers"
] | We like to see people building things that are a little unusual, and we
really
like it when said unusual thing uses salvaged parts. This project from [JGJMatt] ticks all our boxes — the build creates
a planar speaker that uses salvaged magnets
from a hard drive.
A planar speaker, according to the post, uses wires and m... | 3 | 2 | [
{
"comment_id": "6662967",
"author": "echodelta",
"timestamp": "2023-07-15T16:04:42",
"content": "Sound from both sides mixes and partially cancels out giving a washed out sound. There is a reason why any speaker diaphragm needs to be in a baffle. Even worse is the sound when the diaphragm is parall... | 1,760,372,233.284233 | ||
https://hackaday.com/2023/07/14/trebuchet-sends-eggs-flying/ | Trebuchet Sends Eggs Flying | Bryan Cockfield | [
"Weapons Hacks"
] | [
"catapult",
"competition",
"contest",
"design",
"distance",
"egg",
"trebuchet",
"weight"
] | Without any sort of restrictions on designs for trebuchets, these medieval siege weapons are known to send 90 kilogram projectiles over 300 meters. The egg-launching trebuchet contest that [AndysMachines] is entering, on the other hand, has a few limitations that dramatically decreased the size of the machines involved... | 7 | 4 | [
{
"comment_id": "6662853",
"author": "Ryan",
"timestamp": "2023-07-15T06:23:23",
"content": "Trebuchegg?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6662855",
"author": "Fred",
"timestamp": "2023-07-15T06:26:32",
"content": "Trebuchets are reall... | 1,760,372,233.586286 | ||
https://hackaday.com/2023/07/14/bringing-a-baofeng-into-the-cyberpunk-2077-universe/ | Bringing A Baofeng Into TheCyberpunk 2077Universe | Dan Maloney | [
"Cyberdecks",
"Radio Hacks"
] | [
"amateur",
"arduino",
"baofeng",
"cyberdeck",
"Cyberpunk 2077",
"ham",
"handy talkie",
"radio",
"UV-5R"
] | You’ve got to love the aesthetics of dystopian cyberpunk video games, where all the technology looks like it’s cobbled together from cast-off bits of the old world’s remains. Kudos go to those who attempt to recreate these virtual props and bring them into the real world, but our highest praise goes to those who not on... | 10 | 8 | [
{
"comment_id": "6662825",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-15T03:12:53",
"content": "I’d rather have a Pip-Boy!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6662852",
"author": "reyh45yh45",
"timestamp": "202... | 1,760,372,233.804417 | ||
https://hackaday.com/2023/07/14/the-another-world-chip/ | The Another World Chip | Jenny List | [
"FPGA"
] | [
"another world",
"fpga",
"fpga game"
] | We cover many recreations of classic computer games on these pages, sometimes on original hardware, other times through ports to newer hardware, or even on emulators. But [Sylefeb]’s version of the Amiga classic
Another World
is in a class of its own. It doesn’t recreate an Amiga or run an emulator,
instead it implemen... | 6 | 3 | [
{
"comment_id": "6662800",
"author": "TSW",
"timestamp": "2023-07-15T00:37:50",
"content": "My dad bought Another World from Egghead Software for his Apple ][gs when I was young. I remember the game required excellent timing for jumps, and the animation was very smooth.That’s my story.",
"parent... | 1,760,372,233.846785 | ||
https://hackaday.com/2023/07/14/open-source-lamp-instrument-aimed-at-clinicians-and-biohackers-alike/ | Open-Source LAMP Instrument Aimed At Clinicians And Biohackers Alike | Dan Maloney | [
"Medical Hacks"
] | [
"COVID",
"diagnosis",
"dna",
"fluoresecense",
"lamp",
"nucleic acid",
"rna",
"RT-LAMP",
"SARS-CoV-2"
] | Over the last few years, we’ve all been given a valuable lesson in both the promise and limitations of advanced molecular biology methods for clinical diagnostics. Polymerase chain reaction (PCR) was held up as the “gold standard” of COVID-19 testing, but the cost, complexity, and need for advanced instrumentation and ... | 28 | 8 | [
{
"comment_id": "6662739",
"author": "hartl",
"timestamp": "2023-07-14T21:11:14",
"content": "Yeah, the side effects of stupidity did so much harm to our society that it will take decades for it to heal, if ever.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,372,234.035023 | ||
https://hackaday.com/2023/07/14/listening-to-bats-as-they-search-for-food/ | Listening To Bats As They Search For Food | Bryan Cockfield | [
"Raspberry Pi"
] | [
"bat",
"bat detector",
"heterodyne",
"op-amp",
"pico",
"raspberry pi",
"sound",
"time expansion",
"ultrasonic"
] | The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously can hear up to about 60 kHz, and dolphins are known to distinguish sounds up to 100 kHz. But for extremely high frequencies we’ll want to take a step int... | 14 | 11 | [
{
"comment_id": "6662723",
"author": "Greg Garriss",
"timestamp": "2023-07-14T20:14:49",
"content": "Nice.. I built an analog heterodyne module for listneing to bats a few decades ago . This could be a fun update.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": ... | 1,760,372,233.757329 | ||
https://hackaday.com/2023/07/14/ask-hackaday-learn-assembly-first-last-or-never/ | Ask Hackaday: Learn Assembly First, Last, Or Never? | Al Williams | [
"Ask Hackaday",
"Rants",
"Slider",
"Software Development"
] | [
"assembly language"
] | A few days ago, I ran into an online post where someone pointed out the book “
Learn to Program with Assembly
” and asked if anyone had ever learned assembly language as a first programming language. I had to smile because, if you are a certain age, your first language may well have been assembly, even if it was assemb... | 154 | 50 | [
{
"comment_id": "6662644",
"author": "A3DP",
"timestamp": "2023-07-14T17:04:59",
"content": "Yes definitely learn a little bit of assembly the efficiency of coding is amazingly fast. I remember fondly the ZX81",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,234.196384 | ||
https://hackaday.com/2023/07/14/hackaday-podcast-227-open-source-software-decoupling-caps-diy-vr/ | Hackaday Podcast 227: Open Source Software, Decoupling Caps, DIY VR | Tom Nardi | [
"Hackaday Columns",
"News",
"Slider"
] | [
"Hackaday Podcast"
] | Elliot Williams and Tom Nardi start this week’s episode by addressing the ongoing Red Hat drama and the trend towards “renting” software. The discussion then shifts to homebrew VR gear, a particularly impressive solar-powered speaker, and some promising developments in the world of low-cost thermal cameras. Stay tuned ... | 1 | 1 | [
{
"comment_id": "6663148",
"author": "Samantha",
"timestamp": "2023-07-15T22:46:03",
"content": "Was it an Otomatone?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,233.895875 | ||
https://hackaday.com/2023/07/14/students-3d-print-low-cost-braille-keypad/ | Students 3D Print Low Cost Braille Keypad | Lewin Day | [
"Peripherals Hacks"
] | [
"keypad",
"numberpad",
"numpad"
] | Numerical keypads are common entry devices for everything from home security systems to phones and more. Unfortunately, a great deal of them are difficult to use if you’re visually impaired.
This high-contrast Braille keypad aims to solve those issues with simple design choices.
The keypad was developed as a school pro... | 7 | 4 | [
{
"comment_id": "6662631",
"author": "Urgon",
"timestamp": "2023-07-14T16:09:49",
"content": "Am I blind, or there is no “0” key?Also there are high-contrast and Braille stickers for standard PC keyboards. In my school we used black on yellow, but personally I would prefer yellow on black…",
"pa... | 1,760,372,234.324221 | ||
https://hackaday.com/2023/07/14/this-week-in-security-apples-0-day-microsofts-mess-and-more/ | This Week In Security: Apple’s 0-day, Microsoft’s Mess, And More | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks",
"Slider"
] | [
"apple",
"ghostscript",
"microsoft",
"This Week in Security"
] | First up,
Apple issued an emergency patch
, then yanked, and
re-issued it.
The problem was a Remote Code Execution (RCE) vulnerability in WebKit — the basis of Apple’s cross-platform web browser. The downside of a shared code base,is that bugs too are write-once, exploit-anywhere. And with Apple’s walled garden insisti... | 4 | 2 | [
{
"comment_id": "6662640",
"author": "Dan",
"timestamp": "2023-07-14T16:31:36",
"content": "Probably too late for this week: WP “All in one security” was leaking passwords plaintext…WP is more secure without most of these “security” plugins.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,234.280553 | ||
https://hackaday.com/2023/07/14/how-does-your-mcdonalds-burger-get-to-you/ | How Does Your McDonald’s Burger Get To You? | Jenny List | [
"Reverse Engineering"
] | [
"beacon",
"bluetooth",
"McDonald's"
] | Table service and McDonalds sound as though they should be mutually exclusive as a fundamental of the giant chain’s fast food business model, but in many restaurants there’s the option of keying in the number from a plastic beacon when you order, placing the beacon on the table, and waiting for a staff member to bring ... | 32 | 14 | [
{
"comment_id": "6662552",
"author": "Eric Mockler",
"timestamp": "2023-07-14T11:18:22",
"content": "I installed these in 1 restaurant, never again. Thank god none of the tables were installed yet, so I didn’t have to calibrate the whole mess. The Neglectricians electrified the ceiling grid, guess h... | 1,760,372,234.389702 | ||
https://hackaday.com/2023/07/14/sloth-door-greeter-uses-neat-fold-up-electronics-enclosures/ | Sloth Door Greeter Uses Neat Fold-Up Electronics Enclosures | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"housing",
"sloth"
] | [Alan Reiner] is building a sloth-like door greeter for his house. Sloxel, as he is affectionately known, can move around and even talk,
with [Alan] using some nifty tricks in the design process
Sloxel’s job is to vet visitors to [Alan’s] house, before inviting them to knock on the door or to leave their details and go... | 3 | 3 | [
{
"comment_id": "6662533",
"author": "Elliot Williams",
"timestamp": "2023-07-14T09:38:39",
"content": "All those zip-tie mounting points! Very nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6662555",
"author": "Ian",
"timestamp": "2023-07-14T11... | 1,760,372,234.238574 | ||
https://hackaday.com/2023/07/13/at-last-a-beagle-v-in-the-wild/ | At Last, A Beagle V In The Wild | Jenny List | [
"computer hacks"
] | [
"beaglebone",
"BeagleV-ahead",
"RISC-V"
] | The RISC-V ISA specification contains the recipe for everything from the humblest of microcontrollers to the most accomplished of high-end application processors, but it’s fair to say that at our end of the market it’s mostly been something for the lower end. There are plenty of inexpensive small RISC-V microcontroller... | 41 | 9 | [
{
"comment_id": "6662481",
"author": "Truth",
"timestamp": "2023-07-14T05:17:05",
"content": "Why did they choose a TH1520, it contains four Xuantie C910 RISC-V cores. And they all implement the pre-ratification RISC-V Vector Extension 0.7.1 which is incompatible at a binary and assembly language le... | 1,760,372,234.469416 | ||
https://hackaday.com/2023/07/13/orca-slicer-is-the-new-game-in-town/ | Orca Slicer Is The New Game In Town | Lewin Day | [
"3d Printer hacks"
] | [
"3d printing",
"orca slicer",
"slicer"
] | Slicers are the neat little tools that take your 3D models and turn them into G-code that your 3D printer can actually understand. They control the printing process down to the finest detail, and determine whether your prints are winners or binners. Orca Slicer is the new tool on the block,
and [The Edge of Tech] took ... | 13 | 6 | [
{
"comment_id": "6662485",
"author": "Drone",
"timestamp": "2023-07-14T05:31:13",
"content": "CAREFUL – I went to “The Edge of Tech” main YouTube site to look around and a pop-up appeard auto-subscribing me to the channel BY DEFAULT! Fortunately there’s a button to opt-out that appears, and I never ... | 1,760,372,234.523977 | ||
https://hackaday.com/2023/07/13/taking-mechanical-keyboard-sounds-to-the-next-level/ | Taking Mechanical Keyboard Sounds To The Next Level | Bryan Cockfield | [
"Peripherals Hacks"
] | [
"audio",
"bell",
"keyboard",
"mechanical keyboard",
"noise",
"solenoid",
"sound",
"Teensy",
"typewriter",
"usb"
] | When it comes to mechanical keyboards, there’s no end to the amount of customization that can be done. The size and layout of the keyboard is the first thing to figure out, and then switches, keycaps, and then a bunch of other customizations inside the keyboard like the mounting plate and whether or not to add foam str... | 10 | 8 | [
{
"comment_id": "6662435",
"author": "DeveloperLen",
"timestamp": "2023-07-14T00:35:36",
"content": "Anyone old enough to remember the sound of an IBM 029 keypunch would remember how satisfying it is in small doses. …And deafening when all 30 of them are going at once approaching CS project due date... | 1,760,372,234.573238 | ||
https://hackaday.com/2023/07/13/awning-motorized-and-automated-to-avoid-wind-damage/ | Awning Motorized And Automated To Avoid Wind Damage | Lewin Day | [
"home hacks"
] | [
"awning",
"awnings",
"blinds",
"ESP32"
] | Awnings can be architecturally beautiful, and they provide lovely shelter from the sun and even a bit of rain. They don’t always like taking a pounding from high winds though. [Steve Carey] installed some nice awnings, but wanted to avoid any potential issues,
so he built an automated system to extend and retract them ... | 30 | 7 | [
{
"comment_id": "6662377",
"author": "SayWhat?",
"timestamp": "2023-07-13T20:51:56",
"content": "I note he used a desiccant pack to protect his accelerometer. That’s a good idea. I always put a desiccant pack in outdoor electronics enclosures even sealed enclosures because… condensation. Never had a... | 1,760,372,234.63667 | ||
https://hackaday.com/2023/07/13/timekeeping-for-distributed-computers/ | Timekeeping For Distributed Computers | Bryan Cockfield | [
"clock hacks"
] | [
"clock",
"computer",
"distributed computer",
"logical clock",
"timekeeping",
"vector clock"
] | Ask any programmer who has ever had to deal with timekeeping on a computer, and they’re likely to go on at length about how it can be a surprisingly difficult thing to keep track of. Time zones, leap years, leap seconds, various timekeeping standards, clock drift, and even relativity are all problems that can creep in ... | 14 | 5 | [
{
"comment_id": "6662362",
"author": "Jouni",
"timestamp": "2023-07-13T19:59:13",
"content": "Or just use unix time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6662363",
"author": "Sword",
"timestamp": "2023-07-13T20:08:30",
"cont... | 1,760,372,234.687662 | ||
https://hackaday.com/2023/07/13/how-duck-tape-became-famous/ | How Duck Tape Became Famous | Al Williams | [
"Hackaday Columns",
"History"
] | [
"duck tape",
"duct tape",
"history"
] | If you hack things in the real world, you probably have one or more rolls of duck tape. Outside of the cute brand name, many people think that duck tape is a malapropism, but in truth it is the type of cloth traditionally used in our favorite tape: cotton duck. However, as we’ll see, it’s not entirely wrong to call it ... | 81 | 23 | [
{
"comment_id": "6662304",
"author": "komradebob",
"timestamp": "2023-07-13T17:16:27",
"content": "I asked an astronaut I know who convinced NASA it was worth the weight penalty to carry ‘grey tape’ and he had no idea. The original justification seems to have been lost in time.",
"parent_id": nu... | 1,760,372,234.867901 | ||
https://hackaday.com/2023/07/13/roboticized-zelda-ocarina-plays-itself/ | RoboticizedZeldaOcarina Plays Itself | Lewin Day | [
"Musical Hacks"
] | [
"musical instrument",
"ocarina",
"Self-Playing"
] | [3DSage] has long been obsessed with a certain type of musical instrument after playing
The Legend of Zelda: Ocarina of Time.
It spawned a
project to robotically control an ocarina
, which turned out beautifully.
The first step was to build an air blower that could excite the ocarina into making noise. With that comple... | 10 | 5 | [
{
"comment_id": "6662285",
"author": "Drone",
"timestamp": "2023-07-13T16:21:20",
"content": "Perfect example of why I do NOT come to HaD so much these days. Less tack – more hack pleeeezz…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6662325",
"au... | 1,760,372,235.202711 | ||
https://hackaday.com/2023/07/13/keeping-thermal-plants-cool-without-breaking-the-cooling-water-budget/ | Keeping Thermal Plants Cool Without Breaking The Cooling Water Budget | Maya Posch | [
"Engineering",
"Featured",
"Original Art",
"Science",
"Slider"
] | [
"cooling systems",
"steam generator",
"thermal cycle"
] | Steam generators in thermal (steam-cycle) power plants require a constant influx of cool water to maximize the transfer of thermal energy. How this water is cooled again in the condensor after much of the steam’s thermal energy has been spent in the steam turbines or heat exchangers is a very important consideration in... | 19 | 8 | [
{
"comment_id": "6662258",
"author": "KC8KVA",
"timestamp": "2023-07-13T14:33:40",
"content": "Where I live in West Virginia (Yes, the state in the United States that looks like it’s “giving the finger” to the everyone on the map…which I despise that reference…but yet I digress), There is the John A... | 1,760,372,235.065663 | ||
https://hackaday.com/2023/07/13/listening-in-on-a-deep-space-satellite-as-it-returns-home/ | Listening In On A Deep-Space Satellite As It Returns Home | Dan Maloney | [
"Space"
] | [
"dish",
"inferior conjunction",
"LNA",
"satellite",
"sdr",
"solar",
"STEREO-A",
"x band"
] | We’ve covered dozens of projects about getting images of Earth’s weather straight from the source. It’s not too much of a trick to download images straight from our constellation of weather satellites, but what about space weather? We’ve got satellites for that too, of course, but to get a good look at the Sun, they’re... | 1 | 1 | [
{
"comment_id": "6662420",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-13T23:08:10",
"content": "“STEREO-B was lost in 2014 due to a navigational glitch,”So, they didn’t change the name to MONO?B^)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,372,234.905362 | ||
https://hackaday.com/2023/07/13/recreating-the-golden-era-of-cable-tv/ | Recreating The Golden Era Of Cable TV | Bryan Cockfield | [
"classic hacks",
"home entertainment hacks"
] | [
"90's",
"cable network",
"cable TV",
"nostalgia",
"retro",
"television",
"tv",
"tv network"
] | Fewer and fewer people have cable TV subscriptions these days, due to a combination of poor business practices by cable companies and the availability of alternatives to cable such as various streaming platforms. But before the rise of the Internet that enabled these alternatives, there was a short period of time where... | 55 | 23 | [
{
"comment_id": "6662166",
"author": "Joshua",
"timestamp": "2023-07-13T08:21:04",
"content": "I never had a cable TV connection, but a satellite receiver. And I’m glad about that.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6662249",
"author": "O... | 1,760,372,235.157116 | ||
https://hackaday.com/2023/07/12/horror-instrument-is-truly-astounding-to-listen-to/ | Horror Instrument Is Truly Astounding To Listen To | Lewin Day | [
"Musical Hacks"
] | [
"andes 25F",
"feedback organ",
"music",
"organ",
"recorder keyboard",
"recorder keyboards",
"talkbox"
] | Truly new musical instruments don’t come along every day; much of the low hanging fruit has already been taken. [Simon the Magpie] has been working on something that’s just a little innovative,
and built what he refers to as an “Incredible Horror Instrument.”
It’s all about feedback.
The build started with the Suzuki A... | 9 | 8 | [
{
"comment_id": "6662141",
"author": "François Otis",
"timestamp": "2023-07-13T05:51:25",
"content": "Don’t bother to visit the link on his previous work, it is MEMBERS-ONLY CONTENT.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6662163",
"author": "Adobe... | 1,760,372,235.25003 | ||
https://hackaday.com/2023/07/12/picodebugger-makes-development-easier/ | PicoDebugger Makes Development Easier | Lewin Day | [
"Misc Hacks"
] | [
"pi pico",
"picoprobe",
"Raspberry Pi Pico",
"rp2040"
] | Debugging a Raspberry Pi Pico is straightforward enough; it simply involves hooking up something up to the USB and SWD pins.
[Mark Stevens] whipped up the PicoDebugger to make this job easier than ever before.
The Raspberry Pi Foundation developed the Picoprobe system to allow a RP2040 to act as a USB to SWD and UART b... | 12 | 5 | [
{
"comment_id": "6662112",
"author": "rclark",
"timestamp": "2023-07-13T02:41:07",
"content": "Cool. Looks like it could be very useful.That said, I believe the “Raspberry Pi Debug Probe for Pico and RP2040” is an off the shelf solution too. I have one, but haven’t had to use it … yet!https://www.... | 1,760,372,235.301768 | ||
https://hackaday.com/2023/07/12/ac-dc-converter-is-reliable-safe-and-efficient/ | AC-DC Converter Is Reliable, Safe, And Efficient | Bryan Cockfield | [
"hardware"
] | [
"flyback",
"flyback converter",
"power supply",
"smps",
"switched mode",
"switched-mode power supply",
"transformer"
] | When first starting an electronics project, it’s not uncommon to dive right in to getting the core parts of the project working. Breadboarding the project usually involves working with a benchtop power supply of some sort, but when it comes to finalizing the project the actual power supply is often glossed over. It’s n... | 25 | 11 | [
{
"comment_id": "6662086",
"author": "Daniel Dunn",
"timestamp": "2023-07-12T23:57:38",
"content": "This is why I don’t own a fancy regulated power supply. Most of the time, the power supply and other power handling stuff IS the hardest part of the project. If it can’t run on a cheap ISDT hobby ch... | 1,760,372,235.360526 | ||
https://hackaday.com/2023/07/12/building-a-digital-compass-with-an-arduino/ | Building A Digital Compass With An Arduino | Lewin Day | [
"Misc Hacks"
] | [
"arduino",
"compass",
"magnetometer"
] | The magnetic compass has been a crucial navigational tool for around a thousand years or so, perhaps longer. While classical versions still work perfectly well, you can now get digital magnetometers that work in much the same way.
[mircemk] decided to whip up a digital compass to demonstrate the value of these parts.
T... | 8 | 3 | [
{
"comment_id": "6662050",
"author": "spaceminions",
"timestamp": "2023-07-12T21:25:01",
"content": "Very cool! Surely it’s not accurate to two decimals?Either way, and especially if it is, something I find neat about precision measurements of the magnetic field is, they let you get your rough latit... | 1,760,372,235.408075 | ||
https://hackaday.com/2023/07/12/no-acid-open-ics-with-a-tesla-coil/ | No Acid: Open ICs With A Tesla Coil | Al Williams | [
"High Voltage",
"Parts"
] | [
"chip decap",
"chip decapping",
"tesla coil"
] | We’ve taken ICs apart before, but if they are in an epoxy package, it requires some lab gear and a lot of safety. Typically, you’ll heat the part and use fuming nitric acid (nasty stuff) in a cavity milled into the part to remove the epoxy over the die. While [100dollarhacker] doesn’t provide much detail, he appears to... | 21 | 12 | [
{
"comment_id": "6662004",
"author": "Bob",
"timestamp": "2023-07-12T18:39:29",
"content": "Pliers work just fine. CO2 laser as well.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6708147",
"author": "oni1ink",
"timestamp": "2023-12-15T09:3... | 1,760,372,235.466284 | ||
https://hackaday.com/2023/07/12/discussing-the-tastier-side-of-desktop-3d-printing/ | Discussing The Tastier Side Of Desktop 3D Printing | Tom Nardi | [
"3d Printer hacks",
"Hackaday Columns",
"Slider"
] | [
"3d printed food",
"bioprinter",
"food printer",
"Hack Chat",
"paste extruder"
] | Not long after the first desktop 3D printers were created, folks started wondering what other materials they could extrude. After all, plastic is only good for so much, and there’s plenty of other interesting types of goop that lend themselves to systematic squirting. Clay, cement, wax, solder, even biological material... | 20 | 10 | [
{
"comment_id": "6662009",
"author": "TG",
"timestamp": "2023-07-12T18:57:14",
"content": "The infill chocolate looks tasty. That would really add a new dimension to some foods, such an airy and strange collapsing texture",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,372,235.530549 | ||
https://hackaday.com/2023/07/12/cp-m-porting-in-a-few-hours/ | CP/M Porting In A Few Hours | Al Williams | [
"Retrocomputing"
] | [
"CP/M",
"retrocomputer",
"Z-80"
] | If you’ve ever wanted to watch someone
bring CP/M up on a new system
and you have a couple of hours to spare, check out the recorded live stream of [Poking Technology]. The system in question is an Agon Light, a modern board with a Z-80-derived CPU. If you want to get right to the porting part, you might want to skip a... | 13 | 6 | [
{
"comment_id": "6661972",
"author": "Joshua",
"timestamp": "2023-07-12T16:33:15",
"content": "Awesome! I just love CP/M – and MP/M, too!For one because it’s DOS like and because it can be completely understood by a single individual.My father used it back in the 70s on a Sharp MZ-80K, which he wrot... | 1,760,372,235.582173 | ||
https://hackaday.com/2023/07/12/youve-got-mail-sorting-and-the-usps/ | You’ve Got Mail: Sorting And The USPS | Kristina Panos | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"mail sorting",
"mail sorting machine",
"pigeon-hole",
"transorma",
"USPS"
] | Snail mail. You may not think much of it these days, but the mail doesn’t stop and it never has. Every type of mail from postcards and letters to large envelopes and packages of all sizes moves every single day all over the US, even though it isn’t typically delivered on Sundays. Dealing with the ever-increasing volume... | 52 | 15 | [
{
"comment_id": "6661913",
"author": "Ostracus",
"timestamp": "2023-07-12T14:33:11",
"content": "The bad handwriting was interesting.https://youtu.be/XxCha4Kez9c",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6661928",
"author": "NQ",
"timestamp": "202... | 1,760,372,235.899053 | ||
https://hackaday.com/2023/07/12/suse-take-on-red-hat-forking-rhel/ | SuSE Take On Red Hat, Forking RHEL | Jenny List | [
"Linux Hacks",
"News"
] | [
"linux",
"red hat",
"rhel",
"suse"
] | One of the Linux stories of the moment has come from Red Hat, with their ongoing efforts to make accessing the source of their Red Hat Enterprise Linux product a paid-for only process. This has caused consternation and annoyance alike, from the open source community angry at any liberties taken with the GPL, and from t... | 18 | 10 | [
{
"comment_id": "6661822",
"author": "YGDES",
"timestamp": "2023-07-12T11:14:10",
"content": "Now THIS move is why Free Software is not “just open source”.Who said Free Software was anti-capitalistic ? :-)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6661840... | 1,760,372,235.785589 | ||
https://hackaday.com/2023/07/12/proper-decoupling-capacitors/ | Proper Decoupling Capacitors | Al Williams | [
"Parts",
"PCB Hacks"
] | [
"decoupling",
"decoupling capacitors",
"pcb"
] | If you’ve been building circuits for any length of time, you probably know you need decoupling capacitors to keep your circuits stable. But even though it’s a favorite technique of ours, just scattering some around your PCB and hoping for the best isn’t necessarily the best approach. If you want to dig deeper into the
... | 37 | 9 | [
{
"comment_id": "6661764",
"author": "Mathias",
"timestamp": "2023-07-12T08:54:23",
"content": "Somehow I expected the link to be a youtube video I could watch, zone out and not learn much from.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6661796",
"aut... | 1,760,372,237.741368 | ||
https://hackaday.com/2023/07/10/behold-a-diy-vr-headset-its-creator-will-never-build-again/ | Behold A DIY VR Headset Its Creator Will “Never” Build Again | Donald Papp | [
"Virtual Reality"
] | [
"diy",
"FOV",
"fresnel",
"headset",
"hmd",
"lenses",
"vr"
] | Unsatisfied with commercial VR headset options, [dragonskyrunner] did what any enterprising hacker would: gathered parts over time and ultimately made their own. Behold the
Hades Widebody (HWD)
, a DIY PC VR headset that aims for a wide field of view and even manages to integrate some face and eye tracking. (Editor’s n... | 14 | 5 | [
{
"comment_id": "6660974",
"author": "",
"timestamp": "2023-07-10T21:59:21",
"content": "The way the imgur album was instantly deleted and the creator claiming they would “never” make it again are some interesting coincidences.Not saying anything did happen, of course.",
"parent_id": null,
... | 1,760,372,238.012195 | ||
https://hackaday.com/2023/07/10/supercon-2022-joe-grand-and-the-thinnest-boombox/ | Supercon 2022: Joe Grand And The Thinnest Boombox | Maya Posch | [
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Superconference",
"Hackaday Supercon",
"Supercon 2022"
] | Boomboxes are one of those status symbols that define the 1980s and part of the 1990s, being both a miracle of integration and the best way to share your love of music with as many people as possible. Naturally, this led Joe Grand to figure that it would make it a perfect subject for a modern take on such an iconic dev... | 4 | 3 | [
{
"comment_id": "6660895",
"author": "Steven-X",
"timestamp": "2023-07-10T17:52:52",
"content": "Seeing the powerbank made me thing of perhaps integrating an old phone into the build, as the audio source as well as power.Or one of those small Sansa MP3 players (I still use one when mowing or doing o... | 1,760,372,237.952843 | ||
https://hackaday.com/2023/07/10/software-for-satellites-hack-chat/ | Software For Satellites Hack Chat | Dan Maloney | [
"Hackaday Columns",
"Slider"
] | [
"Hack Chat"
] | Join us on Wednesday, July 12 at noon Pacific for the
Software for Space Hack Chat
with Jacob Killelea!
In space, everything is harder. Hardware has to be built to withstand not only the harshest possible regimes of temperature and radiation but the rigors of launch. Power is at a premium, things that are supposed to s... | 3 | 1 | [
{
"comment_id": "6661004",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-10T23:24:30",
"content": "A square hole in the center of that cyclone?Interesting…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661066",
"author": "N... | 1,760,372,237.441069 | ||
https://hackaday.com/2023/07/10/gas-powered-fly-swatter-slightly-over-engineered/ | Gas-Powered Fly Swatter Slightly Over-Engineered | Bryan Cockfield | [
"Misc Hacks"
] | [
"dyneema",
"Fly Swatter",
"flyswatter",
"gas cylinder",
"pneumatic",
"steel"
] | Any good flyswatter ought to be able to break through a hefty piece of wood. At least, that is how [Finn] explains the design philosophy behind
this enormous, overpowered flyswatter
. Although we don’t know if everyone needs as robust a machine as this to deal with a minor annoyance like a house fly, we can certainly a... | 10 | 8 | [
{
"comment_id": "6660865",
"author": "Dan",
"timestamp": "2023-07-10T15:53:19",
"content": "Surveying the bite marks on my back, I’m forced to say I need this…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6660869",
"author": "cromagnonlovesneanderthal",
... | 1,760,372,237.487297 | ||
https://hackaday.com/2023/07/10/jennys-daily-drivers-slackware-15/ | Jenny’s Daily Drivers: Slackware 15 | Jenny List | [
"computer hacks",
"Featured",
"Slider",
"Software Hacks"
] | [
"daily driver",
"linux",
"operating system",
"Slackware"
] | As a recent emigre from the Ubuntu Linux distribution to Manjaro, I’ve had the chance to survey the field as I chose a new distro, and I realised that there’s a whole world of operating systems out there that we all know about, but which few of us really
know
. Hence this is the start of what I hope will be a long-runn... | 53 | 25 | [
{
"comment_id": "6660832",
"author": "rclark",
"timestamp": "2023-07-10T14:11:57",
"content": "“back to the 1990s when Linux distro installs required patience and some level of work”I remember downloading Slack on a stack of floppies (25?) back then. I remember it was a ‘Yessss’ moment when the com... | 1,760,372,237.908051 | ||
https://hackaday.com/2023/07/10/kim-1-memory-problem-resolved/ | Kim-1: Memory Problem Resolved | Al Williams | [
"Repair Hacks",
"Retrocomputing"
] | [
"6502",
"kim-1",
"MOS",
"retrocomputer"
] | At the very start of the personal computer revolution, there were relatively inexpensive boards with little more than a CPU, some memory, a display, and switches or a keypad. Some of these had expansion ports meant to allow you to build up, and some were just “trainers” to learn about computers. While you could argue t... | 20 | 11 | [
{
"comment_id": "6660801",
"author": "Owlman",
"timestamp": "2023-07-10T11:41:05",
"content": "“… and save most of the $5,000 or so that a real one would cost.”Really? I have one sitting in a drawer, complete with manuals and all sorts of stuff. Good job I never gave it away as I intended to! I wond... | 1,760,372,238.073147 | ||
https://hackaday.com/2023/07/10/the-thinkpad-you-all-wish-you-had-with-a-brain-thats-not-ancient/ | The ThinkPad You All Wish You Had, With A Brain That’s Not Ancient | Jenny List | [
"laptops hacks",
"Retrocomputing"
] | [
"Framework laptop",
"IBM Thinkpad",
"Thinkpad 701c"
] | An IBM (or, later, Lenovo) ThinkPad is a popular choice in our community. They’re prized for their rugged design, longevity, and good software support. Over the many years that the line has been available, there have been a few models which have captured the attention more than others, and among those, probably the mos... | 26 | 10 | [
{
"comment_id": "6660775",
"author": "C",
"timestamp": "2023-07-10T08:58:36",
"content": "Amazing! I love the keyboard!I’m currently building a laptop too, but I’m using a mechanical keyboard which is not foldable. I’m using a NUC-like motherboard as a base and use a 8 inch Samsung tablet display. I... | 1,760,372,237.807014 | ||
https://hackaday.com/2023/07/11/high-school-student-builds-inexpensive-centrifuge/ | High School Student Builds Inexpensive Centrifuge | Bryan Cockfield | [
"chemistry hacks"
] | [
"centrifuge",
"equipment",
"lab",
"microcentrifuge",
"student",
"tools"
] | Having a chemistry lab fully stocked with all necessary equipment is the dream of students, teachers, and professors alike, but a lot of that equipment can be prohibitively expensive. Even in universities, labs are often left using old or worn-out equipment due to cost. So one could imagine that in high schools this is... | 31 | 12 | [
{
"comment_id": "6661701",
"author": "haaad",
"timestamp": "2023-07-12T06:31:57",
"content": "Points for being inventor – but there should not be patting in back and no words “good job”…Before using it – it should go thro some construction/safety scrutiny.It is intended for chemical classes – you do... | 1,760,372,237.554722 | ||
https://hackaday.com/2023/07/11/phone-thermal-cameras-get-open-source-desktop-tools/ | Phone Thermal Cameras Get Open Source Desktop Tools | Tom Nardi | [
"Software Hacks",
"Tool Hacks"
] | [
"open source software",
"thermal camera"
] | Whenever phone-based thermal cameras are brought up here on Hackaday, we inevitably receive some comments about how they’re a bad investment compared to a standalone unit. Sure they might be cheaper, but what happens in a couple years when the app stops working and the manufacturer no longer feels like keeping it updat... | 14 | 8 | [
{
"comment_id": "6661558",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-12T02:28:53",
"content": "Without Spyware apps, buying one of these just went up in probability.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661598",
... | 1,760,372,238.131567 | ||
https://hackaday.com/2023/07/11/tearing-down-and-improving-a-professional-power-supply/ | Tearing Down And Improving A Professional Power Supply | Al Williams | [
"Repair Hacks",
"Teardown"
] | [
"HP",
"power supply",
"teardown"
] | [OZ2CPU] has an
HP power supply
that is about 30 years old. It looks brand new, though, and has three outputs and includes tracking for the adjustable positive and negative supply. After a quick demo of the unit’s features, he tears it all down so we can see inside. You can catch the video below.
Some similar supplies ... | 11 | 4 | [
{
"comment_id": "6661457",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-11T23:14:35",
"content": "I would like to mention Gerry Sweeney’s blog for repairing an HP E3634A power supply.https://gerrysweeney.com/hpagilent-e3634a-power-supply-teardown-repair/",
"parent_id": ... | 1,760,372,238.180429 | ||
https://hackaday.com/2023/07/11/an-open-source-antikythera-mechanism/ | An Open-Source Antikythera Mechanism | Bryan Cockfield | [
"3d Printer hacks"
] | [
"3d printer",
"antikythera",
"laser cutter",
"recreation",
"replica"
] | When the Antikythera Mechanism was first discovered, it wasn’t viewed as the wonder that we know it today. Originally the divers who found the device and the first scientists to look at it wrote it off as an astrolabe or other some other common type of clock. It wasn’t until decades later when another set of scientists... | 21 | 6 | [
{
"comment_id": "6661323",
"author": "n0body",
"timestamp": "2023-07-11T20:08:58",
"content": "if it isnt hand made by clickspring, i dont want it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661346",
"author": "Chris Muncy",
"timestamp":... | 1,760,372,238.334788 | ||
https://hackaday.com/2023/07/11/linux-device-drivers-in-only-a-few-years/ | Linux Device Drivers In Only A Few Years | Al Williams | [
"Linux Hacks",
"Software Development"
] | [
"kernel driver",
"linux device driver"
] | [Johannes 4GNU_Linux] has been filming
a video series on how to write Linux device drivers
for a couple of years now, but luckily, you won’t need that long to watch them or to create your own driver. He’s added some recent videos to the series, like the one below, but might want to rewind a few years and start at the b... | 10 | 5 | [
{
"comment_id": "6661411",
"author": "Todd3465",
"timestamp": "2023-07-11T22:03:09",
"content": "any reccomends on reading material source would be appreciated!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661439",
"author": "Kirby",
"time... | 1,760,372,238.270944 | ||
https://hackaday.com/2023/07/11/retrotechtacular-better-living-through-a-bombs/ | Retrotechtacular: Better Living Through A-Bombs | Al Williams | [
"History",
"Retrotechtacular",
"Slider"
] | [
"abomb",
"atomic bomb",
"nuclear",
"project plowshare"
] | Usually, if you are listening to people debate about nuclear issues, it is one of two topics: how to deal with nuclear weapon stockpiles or if we want nuclear power plants in our backyard. But there was a time when the US and the USSR had more peaceful plans for nuclear bombs. While peaceful plans for nuclear bombs mig... | 42 | 13 | [
{
"comment_id": "6661241",
"author": "the_3d6",
"timestamp": "2023-07-11T17:12:50",
"content": "Nowadays nuclear debate is mostly about whether nuclear bomb will be used by russia and whether a conventional weapons response is adequate in case of a single tactical nuke",
"parent_id": null,
"... | 1,760,372,238.425143 | ||
https://hackaday.com/2023/07/11/reverse-engineering-helps-typesetting-machine-punch-paper-tape-again/ | Reverse-Engineering Helps Typesetting Machine Punch Paper Tape Again | Dan Maloney | [
"Retrocomputing",
"Reverse Engineering"
] | [
"Linotype",
"paper tape",
"PLD",
"retrocomputing",
"typesetter"
] | [Scott M. Baker] wants a paper tape punch for his retrocomputer collection. That’s fine with us, we don’t judge. In fact, these electromechanical peripherals from the past have a lot going for them, especially the noise. But alas, such things are a little hard to come by these days, and rolling one from scratch would ... | 15 | 5 | [
{
"comment_id": "6661249",
"author": "Observer",
"timestamp": "2023-07-11T17:52:29",
"content": "Where do you buy the (blank) paper tape? Anyone still making that stuff?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661256",
"author": "cliff",
... | 1,760,372,238.664155 | ||
https://hackaday.com/2023/07/11/displayport-a-better-video-interface/ | DisplayPort: A Better Video Interface | Arya Voronova | [
"Featured",
"hardware",
"Interest",
"Original Art",
"Slider"
] | [
"computer",
"display",
"display port",
"hdmi",
"monitor",
"standards",
"video"
] | Over the years, we’ve seen a good number of interfaces used for computer monitors, TVs, LCD panels and other all-things-display purposes. We’ve lived through VGA and the large variety of analog interfaces that preceded it, then DVI, HDMI, and at some point, we’ve started getting devices with DisplayPort support. So you... | 79 | 26 | [
{
"comment_id": "6661188",
"author": "arcdoom",
"timestamp": "2023-07-11T14:03:21",
"content": "If you’re going to talk about the merits of the protocol then you probably shouldn’t use a pun on a saying used by a particularly large company famous for killing products after supposedly supporting it."... | 1,760,372,239.159095 | ||
https://hackaday.com/2023/07/11/the-demoscene-now-an-irreplaceable-piece-of-cultural-heritage/ | The Demoscene, Now An Irreplaceable Piece Of Cultural Heritage | Jenny List | [
"Art"
] | [
"Culture",
"demoscene",
"Netherlands"
] | Break out your tuxedo or your evening gown, we’re going to take in some highbrow culture. A night at the opera perhaps, some Tchaikovsky from the symphony orchestra, or maybe a bit of Shakespeare? No, we’re going to a demo party, because the demoscene is the latest art form to be accepted as officially a
part of the na... | 21 | 9 | [
{
"comment_id": "6661146",
"author": "dave",
"timestamp": "2023-07-11T11:28:23",
"content": "Nothing to do with Finland/Scando/Germany/Sweden, but I don’t think anything will ever beat the the-then internet excitement build-up on the News Groups alt.rec.ibm.pc.demos to the release of Future Crew’s... | 1,760,372,239.030067 | ||
https://hackaday.com/2023/07/11/soviet-era-pong-console-is-easy-to-repair/ | Soviet-EraPongConsole Is Easy To Repair | Robin Kearey | [
"Games",
"Retrocomputing"
] | [
"elektronika",
"pong",
"Soviet electronics"
] | Many early home video game consoles were developed by American and Japanese companies: think Nintendo, Commodore, and Atari. But on the other side of the Iron Curtain, which was still very much in place in the 1980s, an entirely separate industry was built on names like Tesla and Elektronika. As a resident of the repub... | 16 | 5 | [
{
"comment_id": "6661109",
"author": "Andrew",
"timestamp": "2023-07-11T08:48:25",
"content": "In Soviet Russia, you repair Pong!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661116",
"author": "Scarlett",
"timestamp": "2023-07-11T09:00:01... | 1,760,372,238.783515 | ||
https://hackaday.com/2023/07/10/microlisp-lisp-for-microcontrollers-now-has-lisp-based-arm-assembler/ | MicroLisp: Lisp For Microcontrollers Now Has Lisp-Based ARM Assembler | Maya Posch | [
"Microcontrollers",
"Software Development"
] | [
"arm",
"microcontroller",
"ulisp"
] | In a way it feels somewhat silly to market a version of Lisp as targeting resource-constrained platforms, considering the systems it ran on back in the 1960s, but as time goes on, what would have given 1970s Big Iron a run for its money is now a sub-$5 microcontroller that you can run uLisp (MicroLisp) on. This particu... | 12 | 8 | [
{
"comment_id": "6661077",
"author": "Ostracus",
"timestamp": "2023-07-11T05:13:46",
"content": "” This particular project now even has an ARM assembler that is written in Lisp whose source code (GitHub) fits on a mere two A4-sized pages.”Ah, the good old days when big things came in small packages.... | 1,760,372,238.72266 | ||
https://hackaday.com/2023/07/10/suc-aims-to-replace-slack-in-five-lines-of-bash/ | Suc Aims To Replace Slack In Five Lines Of Bash | Bryan Cockfield | [
"Software Development"
] | [
"bash",
"Bash script",
"philosophy",
"software",
"unix"
] | The design philosophy of Unix is fairly straightforward. Software should do one thing as simply as possible, and do that one thing only. As a design principle this is sound advice even well outside of the realm of Unix, and indeed software in general, but that doesn’t stop modern software packages from being too large ... | 43 | 11 | [
{
"comment_id": "6661055",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-11T02:27:52",
"content": "Uh no, I’m not going to write something that will get me thrown off of Hackaday.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "666106... | 1,760,372,238.86858 | ||
https://hackaday.com/2023/07/10/the-man-whose-scopes-we-all-wanted-to-own-walter-lecroy/ | The Man Whose ‘Scopes We All Wanted To Own: Walter LeCroy | Jenny List | [
"Business"
] | [
"Digital storage oscilloscope",
"lecroy",
"Walter Legroy"
] | We’re sorry to say that back in May we missed
the passing of Walter LeCroy
, the man whose name appeared on some of the most desirable and higher-spec oscilloscopes to be found. If you’ve never used a LeCroy ‘scope then you’ll still have benefited from his work, as a pioneer of storage oscilloscopes even the more modes... | 11 | 7 | [
{
"comment_id": "6661006",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-10T23:31:20",
"content": "I have 2 LeCroy O-scopes in the garage 100MHz digital sampling.Total cost $75",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6661025",... | 1,760,372,239.202471 | ||
https://hackaday.com/2023/07/10/toyota-makes-grand-promises-on-battery-tech/ | Toyota Makes Grand Promises On Battery Tech | Bryan Cockfield | [
"Transportation Hacks"
] | [
"car",
"electric vehicle",
"hydrogen",
"solid-state battery",
"toyota",
"transportation",
"vehicle"
] | Toyota is going through a bit of a Kodak moment right now, being that like the film giant they absolutely blundered the adoption of a revolutionary technology. In Kodak’s case it was the adoption of the digital camera which they nearly completely ignored; Toyota is now becoming similarly infamous for refusing to take p... | 125 | 23 | [
{
"comment_id": "6660926",
"author": "john A ferguson",
"timestamp": "2023-07-10T20:07:21",
"content": "What, Kodak amost completely ignored the digital camera? Didn’t they make the first one in the late ’60s?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,239.412291 | ||
https://hackaday.com/2023/07/09/enhance-vr-immersion-by-shoehorning-an-ambilight-into-a-headset/ | Enhance VR Immersion By Shoehorning An Ambilight Into A Headset | Donald Papp | [
"LED Hacks",
"Video Hacks",
"Virtual Reality"
] | [
"ambilight",
"FOV",
"headset",
"hmd",
"rgb",
"valve index",
"video",
"vr"
] | Everyone wants a wider field of view in their VR headsets, but that’s not an easy nut to crack. [Statonwest] shows there’s a way to get at least some of the immersion benefits with a bit of simple hardware thanks to the
VR Ambilight
.
RGB strip tucked behind a diffusor panel.
A few years ago the
Ambilight
showed up as ... | 6 | 4 | [
{
"comment_id": "6660763",
"author": "Then",
"timestamp": "2023-07-10T08:02:40",
"content": "Was just thinking of this after seeing a review of a AR headset with crappy limited view. But also in a decent pair this has great potential. I think we will see this in the next gen of headsets…",
"pare... | 1,760,372,239.249596 | ||
https://hackaday.com/2023/07/09/a-quick-look-at-the-hilbert-transform/ | A Quick Look At The Hilbert Transform | Al Williams | [
"Radio Hacks"
] | [
"dsp",
"Hilbert transform",
"signal processing"
] | While the Fourier transform gets all the attention, there are other transforms that engineers and mathematicians use to transform signals from one form to another. Sometimes you use a transform to make a signal more amenable to analysis. Other times, you do it because you want to manipulate it, and the transform is eas... | 30 | 7 | [
{
"comment_id": "6660721",
"author": "David",
"timestamp": "2023-07-10T03:39:15",
"content": "I wish HaD did more stuff like this. Much more useful and interesting than seeing how somebody renovated a 50 year old piece of gear that hardly anybody ever used anyway.",
"parent_id": null,
"dept... | 1,760,372,239.478105 | ||
https://hackaday.com/2023/07/09/hackaday-links-july-9-2023/ | Hackaday Links: July 9, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"cinema",
"commodore",
"demoscene",
"dlp",
"et",
"extraterrestrial",
"fireworks",
"ford",
"hackaday links",
"helicopter",
"Ingenuity",
"interstellar",
"Jezero",
"mars",
"parking brake",
"Perseverance",
"pm2.5",
"pollution",
"recall",
"retrogaming",
"rover",
"spherule",
"S... | Good news this week from Mars, where
Ingenuity
finally managed to check in with its controllers after a long silence
. The plucky helicopter went silent just after nailing the landing on its 52nd flight back on April 26, and hasn’t been heard from since. Mission planners speculated that
Ingenuity
, which needs to link ... | 8 | 3 | [
{
"comment_id": "6660750",
"author": "Bob",
"timestamp": "2023-07-10T06:28:16",
"content": "Avi Loeb is a publicity-seeking crackpot. Read one of his recent “papers”, just brain farts written down.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6660758",
... | 1,760,372,239.528613 | ||
https://hackaday.com/2023/07/09/reviving-interlisp-with-the-medley-interlisp-project/ | Reviving Interlisp With The Medley Interlisp Project | Maya Posch | [
"Artificial Intelligence",
"Software Development"
] | [
"Interlisp",
"lisp"
] | Within the Artificial Intelligence and natural language research communities, Lisp has played a major role since 1960. Over the years since its introduction, various development environments have been created that sought to make using Lisp as easy and powerful as possible. One of these environments is Interlisp, which ... | 21 | 5 | [
{
"comment_id": "6660658",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-09T20:23:20",
"content": "I’m thurprithed that Lithp ith thtill thomething people are interethted in uthing!B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,372,239.58735 | ||
https://hackaday.com/2023/07/09/miniware-ts1c-a-cordless-soldering-iron-with-a-station/ | Miniware TS1C: A Cordless Soldering Iron With A Station | Maya Posch | [
"Reviews",
"Tool Hacks"
] | [
"cordless soldering iron",
"soldering station"
] | Most soldering irons in the market seem to fall into a few distinct categories. They either provide a full-blown station to which the soldering iron is wired, powered straight by mains, or an iron powered by DC power. The Miniware TS1C takes up an interesting position here in that it features both a station you put the... | 19 | 7 | [
{
"comment_id": "6660624",
"author": "hartl",
"timestamp": "2023-07-09T17:43:24",
"content": "Strange stuff. The marketing blurb on the manufacturers website lists “Capacitor Undervoltage Protection” as a safety feature. Is the supercap actually a Li-whatever cell in disguise?I’ll better stick with ... | 1,760,372,239.738675 | ||
https://hackaday.com/2023/07/09/clock-escapement-uses-rolling-balls/ | Clock Escapement Uses Rolling Balls | Bryan Cockfield | [
"clock hacks"
] | [
"3d printed",
"ball bearing",
"clock",
"escapement",
"kitchen",
"rolling ball",
"time-keeping",
"timer"
] | The escapement mechanism has been widely used for centuries in mechanical clocks. It is the mechanism by which a clock controls the release of stored energy, allowing it to advance in small, precise intervals. Not all mechanical clocks contain escapements, but it is the most common method for performing this function, ... | 15 | 6 | [
{
"comment_id": "6660605",
"author": "PWalsh",
"timestamp": "2023-07-09T16:29:36",
"content": "These types of escapement were actually used in old clocks. I remember seeing one working at some museum somewhere in my youth. Invented by Sir William Congreve at the beginning of the 1800’s.Google “rolli... | 1,760,372,239.682029 | ||
https://hackaday.com/2023/07/09/2023-cyberdeck-challenge-yahrc-takes-its-power-seriously/ | 2023 Cyberdeck Challenge: YAHRC Takes Its Power Seriously | Donald Papp | [
"contests",
"Cyberdecks"
] | [
"2023 Cyberdeck Challenge",
"cyberdeck",
"raspberry pi",
"rugged"
] | Cyberdecks are all about custom builds, and [f4drj]’s
YAHRC
(Yet Another Ham Radio Cyberdeck) takes its ruggedization and power seriously. There are some great power management features, and the enclosure even has a layer of RF shielding.
YAHRC is a Raspberry Pi-based build with a generously-sized screen that tucks a s... | 5 | 2 | [
{
"comment_id": "6660537",
"author": "forced laborer",
"timestamp": "2023-07-09T11:49:14",
"content": "An old floodlight with cooling fins could be a nice passive cooled case.Of course you have to solder a piece of copper to bridge the distance to the CPU.",
"parent_id": null,
"depth": 1,
... | 1,760,372,239.634107 | ||
https://hackaday.com/2023/07/09/stirring-up-3d-printed-lab-equipment/ | Stirring Up 3D-Printed Lab Equipment | Bryan Cockfield | [
"chemistry hacks"
] | [
"3d printed",
"Chemistry",
"lab",
"laboratory",
"magnetic",
"magnetic stirrer",
"mixture",
"solution"
] | Magnetic stirrers are a core part of many chemistry labs. They offer many advantages for ensuring the effective mixing of solutions compared to other methods of stirring, including consistency, precise control, operation within closed systems, and of course, hands-free automatic operation. With so many reasons for empl... | 18 | 4 | [
{
"comment_id": "6660497",
"author": "MarB",
"timestamp": "2023-07-09T08:27:36",
"content": "Nice build, but an overhead stirrer would be more practical because you could use it in conjunction with a hotplate or heating mantle.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,240.213533 | ||
https://hackaday.com/2023/07/08/clock-runs-computer-in-slow-motion/ | Clock Runs Computer In Slow-Motion | Bryan Cockfield | [
"computer hacks",
"Microcontrollers"
] | [
"6502",
"clock",
"computer",
"hertz",
"monostable conditioner",
"pendulum",
"sensor"
] | At the heart of all computers is a clock, a dedicated timepiece ensuring that all of the parts of the computer are synchronized and can work together to execute the instructions that the computer receives. Clock speeds for most modern off-the-shelf computers and smartphones operate around a billion cycles per second, a... | 27 | 8 | [
{
"comment_id": "6660482",
"author": "Joshua",
"timestamp": "2023-07-09T07:11:52",
"content": "That’s really cool! I really appreciate this unconventional idea. ^^Btw, blink LEDs and their ancestors, flashing lights can be used as ~1 Hz clock generators.(Those little incandescent lamps with a bimeta... | 1,760,372,240.404466 | ||
https://hackaday.com/2023/07/08/hackaday-prize-2023-supercapacitors-let-solar-speaker-work-in-darkness/ | Hackaday Prize 2023: Supercapacitors Let Solar Speaker Work In Darkness | Robin Kearey | [
"Portable Audio Hacks",
"Solar Hacks"
] | [
"bluetooth",
"boom box",
"class-d",
"loudspeaker",
"solar cell",
"supercapacitor",
"USB C"
] | Solar panels are a great way to generate clean electricity, but require some energy storage mechanism if you also want to use their power at night. This can be a bit tricky for large solar farms that feed into the grid, which require enormous battery banks or pumped storage systems to capture a reasonable amount of ene... | 13 | 6 | [
{
"comment_id": "6660462",
"author": "Wenhelt",
"timestamp": "2023-07-09T04:41:39",
"content": "Writing the user manual of an electronic equipment, I average two design issues. In the ritual chapters, the safety instructions recommends to avoid the heat sources.As the speaker has a solar panel, it i... | 1,760,372,240.07818 | ||
https://hackaday.com/2023/07/08/using-an-old-satellite-to-see-the-earth-in-a-new-light/ | Using An Old Satellite To See The Earth In A New Light | Dan Maloney | [
"Space"
] | [
"Coriolis",
"dish",
"HackRF",
"helical",
"LNA",
"microwave",
"radiometer",
"RHCP",
"S-band",
"satellite",
"sdr"
] | Snooping in on satellites is getting to be quite popular, enough so that the number of people advancing the state of the art — not to mention the wealth of satellites transmitting signals in the clear — has almost made the hobby too easy. An SDR, a homebrew antenna, and some off-the-shelf software, and you too can see ... | 6 | 5 | [
{
"comment_id": "6660502",
"author": "Michael Black",
"timestamp": "2023-07-09T08:46:17",
"content": "In QST for April 1971, Paul Wilson described his 2.3GHz converter. Likely used for moonbounce, but a bit later he used it to hear an Apollo mission.Nobody had SDRs, so they just did things the old ... | 1,760,372,240.025852 | ||
https://hackaday.com/2023/07/08/hackaday-prize-2023-wear-a-chorder-lets-discreet-chording-keyboards-do-the-talking/ | Hackaday Prize 2023: Wear-a-Chorder Lets Discreet Chording Keyboards Do The Talking | Donald Papp | [
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"chording keyboard",
"text to speech",
"voicebox"
] | Being mute or speech-challenged can be a barrier, and [Raymond Li] has an interesting project to contribute to the 2023 Hackaday Prize: a pair of discreet chording keyboards that
allow the user to emit live text-to-speech
as quickly as one can manipulate them.
Rapid generation of input to high-quality speech helps norm... | 9 | 4 | [
{
"comment_id": "6660373",
"author": "Evaprototype",
"timestamp": "2023-07-08T20:31:16",
"content": "Love to send my private conversations to google. ;(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6660400",
"author": "hartl",
"timestamp": ... | 1,760,372,240.266208 | ||
https://hackaday.com/2023/07/08/the-other-way-to-fight-software-rental/ | The Other Way To Fight Software Rental | Jenny List | [
"Art",
"Software Development"
] | [
"adobe",
"software",
"software rental"
] | It’s been a distressing trend over the last decade, that of taking commercial software from a paid-for licence model and moving into the cloud and onto a rental model. In out line, we’ve seen this with CAD packages and notably with EAGLE PCB CAD, but it’s hit other sectors in exactly the same way. The art and design co... | 208 | 44 | [
{
"comment_id": "6660316",
"author": "make piece not war",
"timestamp": "2023-07-08T17:09:38",
"content": "Logo and name too close to avoid being sued by you know who.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6660317",
"author": "Thovthe",
... | 1,760,372,240.697932 | ||
https://hackaday.com/2023/07/08/99-partspriation/ | 99% Partspiration | Elliot Williams | [
"Hackaday Columns",
"Slider"
] | [
"inspiration",
"newsletter",
"parts",
"round display"
] | Thomas Edison once said that genius was 1% inspiration and 99% perspiration. That doesn’t leave much room for
partspiration
.
I’m working on a top-secret project, and had to place a parts order on AliExpress with a minimum order quantity of five in order to get decent shipping times. No big deal, financially, and it’s ... | 37 | 14 | [
{
"comment_id": "6660280",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-07-08T14:06:34",
"content": "That’s a mighty big round display on the bench in the Title Picture!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6660296",
"au... | 1,760,372,240.342673 | ||
https://hackaday.com/2023/07/08/thermochromic-treatment-keeps-solderless-breadboards-smokeless/ | Thermochromic Treatment Keeps Solderless Breadboards Smokeless | Dan Maloney | [
"Misc Hacks"
] | [
"magic smoke",
"overload",
"paint",
"pigment",
"power dissipation",
"solderless breadboard",
"Thermal",
"thermochromic"
] | There’s a point in a component’s thermal regime that’s between normal operation and overloaded to the point of obvious failure. That’s a dangerous region, because the component isn’t quite hot enough to release the Magic Smoke, but hot enough to singe any finger you poke around with the see if everything’s running righ... | 17 | 5 | [
{
"comment_id": "6660252",
"author": "Thomas Shaddack",
"timestamp": "2023-07-08T11:46:05",
"content": "This is me.There are more shenanigans done with that idea.A good way is to mix several thermochromes with different threshold temperatures, for a wider indication range.https://www.improwis.com/20... | 1,760,372,240.751651 | ||
https://hackaday.com/2023/07/08/roll-your-own-simple-tube-tester/ | Roll Your Own Simple Tube Tester | Al Williams | [
"Tool Hacks"
] | [
"tube",
"tube tester"
] | You can easily get carried away when trying to test things. For example, if you want to know if your car is working, you could measure the timing of the ignition and put the car on a dynamometer. Or you could just start it and figure that if it runs and moves when you put it in drive, it is probably fine.
When [Thomas ... | 5 | 3 | [
{
"comment_id": "6660225",
"author": "Stephen Walters",
"timestamp": "2023-07-08T08:22:06",
"content": "For the cost of one of those FLUKE multimeters you can buy a valve tester, and for the cost of two FLUKE’s, you can buy a good valve tester.G7VFY",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,240.451253 | ||
https://hackaday.com/2023/07/07/show-em-what-youre-made-of-with-this-repair-logo/ | Show ‘Em What You’re Made Of With This Repair Logo | Tom Nardi | [
"hardware",
"Repair Hacks"
] | [
"logo",
"open source hardware",
"repair"
] | The only thing better than getting your hands on a repairable piece of hardware is actually finding the thing in the first place, which is why we love this “official”
repair logo created by [Yves Parent]
. Our predilection for crossed wrenches had (almost) nothing to do with it.
We’ve got a soft spot for logos that wor... | 27 | 12 | [
{
"comment_id": "6660226",
"author": "Dave",
"timestamp": "2023-07-08T08:33:20",
"content": "Love it! Thanks Yves!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6660228",
"author": "NBP",
"timestamp": "2023-07-08T09:10:29",
"content": "Nice idea ... | 1,760,372,240.818795 | ||
https://hackaday.com/2023/07/07/watch-those-1-resistors/ | Watch Those 1% Resistors | Al Williams | [
"Misc Hacks"
] | [
"components",
"resistors",
"tolerance"
] | Decades ago, electronic components were not as easy to acquire as they are today. Sure, you could get some things at Radio Shack. But you might not have many choices, and the price would be on the high side. TV repair components were another option, but, again, big bucks. Some places sold surplus parts, which could be ... | 54 | 19 | [
{
"comment_id": "6660182",
"author": "Joshua",
"timestamp": "2023-07-08T02:59:40",
"content": "“Decades ago, electronic components were not as easy to acquire as they are today. Sure, you could get some things at Radio Shack. But you might not have many choices, and the price would be on the high si... | 1,760,372,240.912334 | ||
https://hackaday.com/2023/07/07/a-controller-for-more-than-thumbs/ | A Controller For More Than Thumbs | Bryan Cockfield | [
"News"
] | [
"body position",
"game controller",
"keyboard",
"multiplayer",
"opencv"
] | As virtual reality continues to make headway into the modern zeitgeist, it is still lacking in a few key ways. There’s not yet an accepted standard for correlating body motion to movement within a game, with most of the mainstream VR offerings sidestepping this problem by requiring the user to operate some sort of hand... | 4 | 3 | [
{
"comment_id": "6660198",
"author": "Greg Chabala",
"timestamp": "2023-07-08T04:13:05",
"content": "“built his own games … including one where cute animals need to be petted”Your pony died because it wasn’t pretty enough.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,372,240.952685 | ||
https://hackaday.com/2023/07/07/russian-weather-satellite-reuses-name-yields-images/ | Russian Weather Satellite Reuses Name, Yields Images | Al Williams | [
"Radio Hacks",
"Space"
] | [
"sdr",
"weather satellite"
] | Which Russian weather satellite has the name Meteor 2? According to [saveitforparts], pretty much all of them. He showed how to grab images from an earlier satellite with the same name a while back. That satellite, though, met with some kind of disaster, so he’s posted a new video about
reading data from the new Meteor... | 13 | 6 | [
{
"comment_id": "6660108",
"author": "asheets",
"timestamp": "2023-07-07T20:51:40",
"content": "Been looking for an excuse to put the turnstyle antenna back up. If LRPT is as easy now as throwing up a RasPi image, I may just do it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,372,241.0029 | ||
https://hackaday.com/2023/07/07/a-shutter-speed-tester-with-frickin-lasers/ | A Shutter Speed Tester With Frickin’ Lasers! | Jenny List | [
"digital cameras hacks"
] | [
"camera",
"shutter",
"shutter speed"
] | Buying old cameras is one of the best ways yet found to part a geek from their money, but if you don’t mind finding a few duds along the way it’s still possible to pick up something nice without paying the excessive scene tax of an Etsy seller or an online store. The trouble is, in the many decades during which your pu... | 12 | 6 | [
{
"comment_id": "6660071",
"author": "Severe Tire Damage",
"timestamp": "2023-07-07T18:39:27",
"content": "No sharks were harmed in this build.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6660147",
"author": "Garth Bock",
"timestamp": "202... | 1,760,372,241.066096 | ||
https://hackaday.com/2023/07/05/exploring-a-new-frontier-desktop-edm-is-coming/ | Exploring A New Frontier: Desktop EDM Is Coming | Tom Nardi | [
"Hackaday Columns",
"Slider",
"Tool Hacks"
] | [
"EDM",
"Hack Chat",
"wire EDM"
] | To say that desktop 3D printing had a transformative effect on our community would be something of an understatement. In just a decade or so, we went from creaky printers that could barely extrude a proper cube to reliable workhorses that don’t cost much more than a decent cordless drill. It’s gotten to the point that ... | 27 | 11 | [
{
"comment_id": "6659425",
"author": "adrian",
"timestamp": "2023-07-05T17:17:12",
"content": "Brass seems an odd choice. Why not graphite or tungsten ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6659456",
"author": "D",
"timestamp": "202... | 1,760,372,241.296941 | ||
https://hackaday.com/2023/07/05/gearing-up-with-the-2023-hackaday-prize/ | Gearing Up With The 2023 Hackaday Prize | Elliot Williams | [
"contests",
"Hackaday Columns",
"Slider"
] | [
"2023 Hackaday Prize",
"Gearing Up"
] | You know how it goes. You’re working on a project, and you need to do some ultra-precise probing, so you end up making a custom PCB probing octopus along the way. Or you find that you spend more time making the jig to hold down a part for machining than you do machining it. Hackers are not merely a tool-using species, ... | 3 | 2 | [
{
"comment_id": "6659470",
"author": "ey54e5y54ey",
"timestamp": "2023-07-05T19:48:25",
"content": "armachat and any mesh chat in my opinion is winner",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6659575",
"author": "Bec",
"timestamp": "2023-07-06T03... | 1,760,372,241.228354 | ||
https://hackaday.com/2023/07/05/animatronic-alexa-gives-amazons-echo-a-face/ | Animatronic Alexa Gives Amazon’s Echo A Face | Robin Kearey | [
"Robots Hacks"
] | [
"Amazon Alexa",
"Amazon Echo",
"animatronic eyes",
"crt"
] | Today, we’re surrounded by talking computers and clever AI systems that a few decades ago only existed in science fiction. But they definitely looked different back then: instead of a disembodied voice like ChatGPT, classic sci-fi movies typically featured robots that had something resembling a human body, with an actu... | 17 | 10 | [
{
"comment_id": "6659379",
"author": "David",
"timestamp": "2023-07-05T15:11:59",
"content": "Just finished watching the video and boy wasn’t that a video for the ages.. from the cinematography to the storytelling and the sheer coolness of the final product alone. This is something i’ll never forget... | 1,760,372,241.476385 | ||
https://hackaday.com/2023/07/05/remote-driving-controversial-in-uk-but-its-already-here/ | Remote Driving Controversial In UK, But It’s Already Here | Lewin Day | [
"Current Events",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"autonomous car",
"car",
"law",
"legislation",
"remote driving",
"transport",
"uk",
"United Kingdom"
] | The automotive industry is rushing towards autonomous vehicles as a futuristic ideal. They haven’t got the autonomous part sorted just yet. However, as part of this push, the technology to drive vehicles remotely via video link has become mature.
In the United Kingdom, there has been great controversy on whether this s... | 46 | 16 | [
{
"comment_id": "6659357",
"author": "Sok Puppette",
"timestamp": "2023-07-05T14:12:53",
"content": "> However, at the same time, drivers shouldn’t be held accountable for issues beyond their control, such as a crash caused by a temporary loss of connectivity to the vehicle.“Beyond their control”, m... | 1,760,372,241.569804 | ||
https://hackaday.com/2023/07/05/a-faulty-keyboard-from-a-single-led/ | A Faulty Keyboard From A Single LED | Jenny List | [
"Peripherals Hacks",
"Repair Hacks"
] | [
"keyboard",
"led",
"mechanical keyboard"
] | When the chance arrived to buy a mechanical keyboard for not a lot, naturally, [Hales] jumped at it. Then it started having odd intermittent problems with some keys appearing stuck,
which led to a teardown and some fault finding
. The culprit was a white LED — but
why
this was the case is a fascinating story.
Stripping... | 19 | 6 | [
{
"comment_id": "6659326",
"author": "rasz_pl",
"timestamp": "2023-07-05T12:30:09",
"content": ">LEDs are not meant to be used as diodes.leds are diodes, its right in the name> LEDs are almost always only ever used in the forward direction and every circuit I’ve seen that potentially subjects them t... | 1,760,372,241.36769 | ||
https://hackaday.com/2023/07/05/cheap-ham-radio-improves-the-low-end/ | Cheap Ham Radio Improves The Low End UI If Not The RF | Al Williams | [
"Radio Hacks",
"Reviews"
] | [
"ham radio",
"talkpod"
] | There was a time when buying a new radio was something many hams could never afford to do. Then came the super cheap — and super controversial — VHF and UHF radios from China. But as they say, you get what you pay for. The often oddly named handhelds like Baofeng and Wouxun are sometimes odd to work with and may have q... | 17 | 7 | [
{
"comment_id": "6659271",
"author": "alialiali",
"timestamp": "2023-07-05T08:43:35",
"content": "> The often oddly named handhelds like Baofeng and WouxunJust had to look these up.Baofeng is a county in China known for industry since the 12 century, the word itself means storm (named after the smel... | 1,760,372,241.419141 | ||
https://hackaday.com/2023/07/04/a-dusty-boat-anchor-back-from-the-brink/ | A Dusty Boat Anchor Back From The Brink | Jenny List | [
"Radio Hacks",
"Repair Hacks"
] | [
"ham radio",
"heathkit",
"linear amplifier"
] | Many of us will have found dusty forgotten pieces of electronics and nursed them back to health, but we were captivated by [Don]’s tale of electronic revival. Instead of perhaps a forgotten computer or television, his barn find was
a Heathkit linear amplifier for radio amateurs
. In that huge box underneath an impressi... | 16 | 7 | [
{
"comment_id": "6659301",
"author": "Shirley Marquez",
"timestamp": "2023-07-05T10:15:45",
"content": "The SB200 was rated for 1kW INPUT power. Output will be in the 500-600W range. That’s still a useful step up for a typical 100W HF radio.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,241.625487 |
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