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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2023/06/16/thermal-camera-reviewed/ | Thermal Camera Reviewed | Al Williams | [
"digital cameras hacks",
"Reviews",
"Tool Hacks"
] | [
"thermal camera",
"thermal imaging camera"
] | We keep thinking about buying a better thermal camera, as there are plenty of advantages. While [VoltLog’s] review of the
Topdon TC002
was interesting though, it has a connector for an iPhone. Even if you aren’t on Android, there is a rumor that Apple may (or may be forced to) change connectors which will make it more ... | 13 | 5 | [
{
"comment_id": "6653508",
"author": "smellsofbikes",
"timestamp": "2023-06-16T23:12:40",
"content": "We found with our handheld/standalone FLIR that using zinc selenide lenses off ebay with some careful 3d printing for placing the lens at the right location got us great macro photography, capable o... | 1,760,372,266.20112 | ||
https://hackaday.com/2023/06/16/long-distance-wi-fi-with-steam-deck-server/ | Long-Distance Wi-Fi With Steam Deck Server | Bryan Cockfield | [
"Radio Hacks"
] | [
"802.11ah",
"dragonos",
"long distance",
"radio",
"sdr",
"software-defined radio",
"steam deck",
"wi-fi"
] | It’s no secret that the Steam Deck is a powerful computer, especially for its price point. It has to be capable enough to run modern PC games while being comfortable as a handheld, all while having a useful amount of battery life. Thankfully Valve didn’t lock down the device like most smartphone manufacturers, allowing... | 11 | 4 | [
{
"comment_id": "6653510",
"author": "petrosilius",
"timestamp": "2023-06-16T23:26:24",
"content": "Nice to see people are playing around with 802.11ah stuff, as this allows high distance high bandwidth networks (compared to e.g. LoraWan). Want to see more!",
"parent_id": null,
"depth": 1,
... | 1,760,372,266.151622 | ||
https://hackaday.com/2023/06/16/hinged-parts-for-the-8th-grade-set/ | Hinged Parts For The 8th Grade Set | Al Williams | [
"3d Printer hacks",
"Featured",
"Slider"
] | [
"3d printing",
"articulated",
"hinge",
"tinkercad"
] | I recently agreed to run a 3D printing camp for 8th graders. If you’ve never shared your knowledge with kids, you should. It is a great experience. However, it isn’t without its challenges. One thing I’ve learned: don’t show the kids things that you don’t want them to try to print.
I learned this, of course, the hard w... | 8 | 6 | [
{
"comment_id": "6653470",
"author": "MarB",
"timestamp": "2023-06-16T17:48:55",
"content": "It is indeed a very nice experience to share your knowledge with the kids. I was once allowed to demonstrate one of my robots at my daughter’s elementary school.",
"parent_id": null,
"depth": 1,
... | 1,760,372,266.102553 | ||
https://hackaday.com/2023/06/15/ferrofluid-drum-synth-dances-to-the-beat/ | Ferrofluid Drum Synth Dances To The Beat | Donald Papp | [
"Musical Hacks"
] | [
"ferrofluid",
"msgeq7",
"music",
"Reactive",
"sound reactive",
"synth"
] | [Love Hultén]’s work often incorporates reactive sound elements, and his
Ferrofluid drum synth
is no exception. Sadly there are no real build details but have no fear: we’ve gathered plenty of DIY insights when it comes to ferrofluid-based projects.
Ferrofluid isn’t easy to work with, but there are plenty of DIY resour... | 17 | 12 | [
{
"comment_id": "6653260",
"author": "TG",
"timestamp": "2023-06-15T23:06:06",
"content": "Until I see the guts, I’m assuming that’s 3d animated. It just looks too cool",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6653265",
"author": "yaga",
... | 1,760,372,265.880527 | ||
https://hackaday.com/2023/06/15/retrotechtacular-circuit-potting-and-pcbs-the-hard-way/ | Retrotechtacular: Circuit Potting, And PCBs The Hard Way | Dan Maloney | [
"Retrotechtacular",
"Slider"
] | [
"glass",
"graphite",
"pcb",
"phenolic",
"potting",
"printing",
"retrotechtacular",
"silver",
"TRE",
"weapons",
"wwii"
] | There was a time when the very idea of building a complex circuit with the intention of destroying it would have been anathema to any electrical engineer. The work put into designing a circuit, procuring the components, and assembling it, generally with point-to-point wiring and an extravagant amount of manual labor, o... | 8 | 6 | [
{
"comment_id": "6653230",
"author": "Felix Domestica",
"timestamp": "2023-06-15T21:12:21",
"content": "At the other end of things, look at IBM’s Thermal Condition Module some time — sintered many-layer ceramic boards PCBs with shrinkage precisely enough controlled that bipolar chips could be direct... | 1,760,372,265.768999 | ||
https://hackaday.com/2023/06/15/light-meets-movement-with-a-minimum-of-parts/ | Light Meets Movement With A Minimum Of Parts | Tom Nardi | [
"Art",
"LED Hacks"
] | [
"chandelier",
"kinetic art",
"lighting",
"pulley"
] | We often say that hardware hacking has never been easier, thanks in large part to low-cost modular components, powerful microcontrollers, and highly capable open source tools. But we can sometimes forget that what’s “easy” for the tinkerer that reads datasheets for fun isn’t always so straightforward for everyone else.... | 20 | 5 | [
{
"comment_id": "6653193",
"author": "CRJEEA",
"timestamp": "2023-06-15T18:38:04",
"content": "It’s tempting to do something similar, but suspend fluorescent tubes with clear fishing line and power them inductively with a Tesla coil, giving the illusion that they are floating. Perhaps mounting the m... | 1,760,372,265.986554 | ||
https://hackaday.com/2023/06/15/new-wearable-detects-imminent-vocal-fatigue/ | New Wearable Detects Imminent Vocal Fatigue | Lewin Day | [
"Hackaday Columns",
"Science",
"Slider"
] | [
"speech",
"vocal fatigue",
"voice"
] | “The show must go on,” so they say. These days, whether you’re an opera singer, a teacher, or just someone with a lot of video meetings, you rely on your voice to work. But what if your voice is under threat? Work it too hard, or for too long, and you might find that it suddenly lets you down.
Researchers from Northwes... | 2 | 2 | [
{
"comment_id": "6653175",
"author": "GOŁOMP",
"timestamp": "2023-06-15T17:31:17",
"content": "Show must gołomp.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6653661",
"author": "FEW",
"timestamp": "2023-06-17T15:55:40",
"content": "This type of ... | 1,760,372,265.820612 | ||
https://hackaday.com/2023/06/15/irans-quantum-computing-on-fpga-claim-its-kinda-a-thing/ | Iran’s Military Quantum Claim: It’s Only 99.4% Ridiculous | Maya Posch | [
"News",
"Rants",
"Science"
] | [
"fpga",
"quantum emulation",
"quantum processing"
] | When Iran recently announced a
quantum processing algorithm
(
Google translation
) that would help its military to detect water surface disturbances, the instant response from Western media was one of
ridicule
, based on
the displayed hardware
. The hardware in question was the
Digilent ZedBoard Zynq-7000
hybrid SoC/FP... | 19 | 11 | [
{
"comment_id": "6653145",
"author": "Observer",
"timestamp": "2023-06-15T15:52:06",
"content": "I wonder if this technology will be integrated onto their Qaher 313 stealth fighter platform.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6653148",
"... | 1,760,372,266.052573 | ||
https://hackaday.com/2023/06/15/the-simplest-social-engineering-hack-of-them-all/ | The Simplest Social Engineering Hack Of Them All | Jenny List | [
"Featured",
"Interest",
"Security Hacks",
"Slider"
] | [
"letterheadings",
"Microsoft Word",
"printed letters"
] | Here at Hackaday we cover news and interesting features for the hacker community, with an emphasis more on the hardware side. Nevertheless we also cover stories from time to time from the broader world of security. These usually involve vulnerabilities discovered through the patient work of software or hardware researc... | 62 | 29 | [
{
"comment_id": "6653117",
"author": "psuedonymous",
"timestamp": "2023-06-15T14:22:14",
"content": "I think the security hole is not the distribution of an image (that image’s location at the top of a document notwithstanding) but theacceptanceof an image at the top of a document as in any way shap... | 1,760,372,266.419203 | ||
https://hackaday.com/2023/06/15/raspberry-pi-pico-w-now-supports-bluetooth/ | Raspberry Pi Pico W Now Supports Bluetooth | Tom Nardi | [
"Microcontrollers",
"News",
"Raspberry Pi"
] | [
"bluetooth",
"bluetooth low energy",
"Raspberry Pi Pico W",
"sdk"
] | What’s the best kind of upgrade a piece of consumer technology can get? A free one that doesn’t require you to do anything other than accept a new version of the software it’s running.
That’s precisely what every current (and future) owner of the Raspberry Pi Pico W just got with the
addition of Bluetooth support to SD... | 11 | 6 | [
{
"comment_id": "6653094",
"author": "Elliot Williams",
"timestamp": "2023-06-15T12:22:30",
"content": "Oooh, Micropython too?! That’s great.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6653095",
"author": "Harvie.CZ",
"timestamp": "2023-06-15T12:2... | 1,760,372,265.92475 | ||
https://hackaday.com/2023/06/14/linux-fu-easy-and-easier-virtual-networking/ | Linux Fu: Easy And Easier Virtual Networking | Al Williams | [
"Hackaday Columns",
"Linux Hacks",
"Network Hacks",
"Slider"
] | [
"linux",
"Tailscale",
"virtual private network",
"vpn",
"Wireguard"
] | One of the best things about Linux is that there are always multiple ways to do anything you want to do. However, some ways are easier than others. Take, for example, virtual networking. There are plenty of ways to make a bunch of Internet-connected computers appear to be on a single private network. That’s nothing new... | 15 | 9 | [
{
"comment_id": "6652724",
"author": "Paul Bilke",
"timestamp": "2023-06-14T14:08:42",
"content": "ZeroTier was good but Tailscale had been great for me. Been dealing with network infrastructure since “The net” was running NCP being able to tell people that need vpn/nat traversal and connectivity ... | 1,760,372,266.474986 | ||
https://hackaday.com/2023/06/14/flipper-zero-smoking-a-smart-meter-is-a-bad-look-for-hardware-hackers/ | Flipper Zero “Smoking” A Smart Meter Is A Bad Look For Hardware Hackers | Dan Maloney | [
"Reverse Engineering"
] | [
"debunk",
"flipper zero",
"hoax",
"magic smoke",
"smart meter"
] | Alright, we’re calling it — we need a pejorative equivalent to “script kiddie” to describe someone using a Flipper Zero for annoyingly malign purposes. If you need an example, check out
the apparent smart meter snuff video below
.
The video was posted by [Peter Fairlie], who we assume is the operator of the Flipper Zer... | 126 | 35 | [
{
"comment_id": "6652689",
"author": "Rob",
"timestamp": "2023-06-14T11:50:22",
"content": "Meanwhile even researchers can’t get one where I live because the bad press caused the telecoms agency to ban importing it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,267.091226 | ||
https://hackaday.com/2023/06/14/this-rohde-schwarz-computer-is-a-commodore-pet/ | This Rohde & Schwarz Computer Is A Commodore PET | Jenny List | [
"Retrocomputing"
] | [
"Commodore PET",
"gpib"
] | The IEE-488 or GPIB bus for controlling instruments by computer has existed now for many decades. It’s often implemented over USB or Ethernet here in 2023, but the familiar connector can still be found on the backs of pricey instruments. In the earlier days of GPIB when a powerhouse Linux laptop was decades away, what ... | 24 | 12 | [
{
"comment_id": "6652674",
"author": "Johan",
"timestamp": "2023-06-14T08:57:57",
"content": "Should be “Rohde & Schwarz” (sorry, language nazi here, and old enough to remember R&S GBIP) :-)Very rare and interesting fact however, and a curious decision. R&S was never in the habit of taking over ot... | 1,760,372,266.665799 | ||
https://hackaday.com/2023/06/13/bios-post-card-built-using-raspberry-pi-pico/ | BIOS POST Card Built Using Raspberry Pi Pico | Lewin Day | [
"Misc Hacks"
] | [
"bios",
"pc",
"post",
"troubleshooting",
"x86"
] | A computer’s BIOS includes basic diagnostic tools for troubleshooting issues. Often, we rely on the familiar beeps from the POST system for this reason. However, error codes are also available via hardware “POST Cards” that were particularly popular in the 1990s.
[Mr. Green] has now built a POST card using readily-avai... | 18 | 6 | [
{
"comment_id": "6652656",
"author": "m1ke",
"timestamp": "2023-06-14T07:00:17",
"content": "Looks like a good project to learn the Pico’s PIO programming, and also learn to use a logic analyzer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652778",
... | 1,760,372,266.604865 | ||
https://hackaday.com/2023/06/13/take-a-ride-in-the-bathysphere/ | Take A Ride In The Bathysphere | Adam Fabio | [
"Art",
"Video Hacks"
] | [
"Bathysphere",
"camera",
"simulation",
"submarine"
] | [Tom Scott] has traveled the world to see interesting things. So when he’s impressed by a DIY project, we sit up and listen. In this case, he’s visiting
the Bathysphere
, a project created by a couple of passionate hobbyists in Italy. The project is housed at
Explorandia
, which based on google translate, sounds like ... | 5 | 4 | [
{
"comment_id": "6652631",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-06-14T02:51:31",
"content": "At this point, I would love to throw in some nautical puns, but the awesomeness of this “sub” humbles me.Oh, here comes the pun…It is sublime!",
"parent_id": null,
"dep... | 1,760,372,266.5319 | ||
https://hackaday.com/2023/06/13/arduino-powered-missile-system-uses-ultrasound-to-aim/ | Arduino-Powered Missile System Uses Ultrasound To Aim | Lewin Day | [
"Misc Hacks"
] | [
"ultrasonic",
"ultrasonic sensor",
"ultrasound",
"usb missile launcher"
] | In the real world, missile systems use advanced radars, infrared sensors, and other hardware to track and prosecute their targets. [Raspduino Uno] on YouTube has instead used ultrasound for targeting
for an altogether simpler desktop fire control solution.
This fun build uses a common off-the-shelf USB “missile launche... | 14 | 7 | [
{
"comment_id": "6652599",
"author": "Joshua",
"timestamp": "2023-06-13T23:06:11",
"content": "Cool, though I hope the ultrasound doesn’t harm the hearing of pets. 😥",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652603",
"author": "Hirudinea",
... | 1,760,372,266.751627 | ||
https://hackaday.com/2023/06/13/a-super-cheap-turntable-build-for-photographic-purposes/ | A Super-Cheap Turntable Build For Photographic Purposes | Lewin Day | [
"digital cameras hacks"
] | [
"camera",
"photo",
"photography",
"turntable"
] | When it comes to photographing products or small items, sometimes it’s useful to get vision from all angles. Shooting a video of an item on a turntable is an ideal way to do this.
[ROBO HUB] built a super-cheap turntable for just this purpose.
The build relies upon a regular micro servo to handle rotating the turntable... | 16 | 8 | [
{
"comment_id": "6652553",
"author": "freakyjason",
"timestamp": "2023-06-13T20:15:49",
"content": "This is not the “common hack” of making a 180 servo go 360. He literally snips off the IC and uses the servo as a DC motor. Makes a 3D printed adapter for a CD without adding something for centring it... | 1,760,372,266.806922 | ||
https://hackaday.com/2023/06/15/clay-makes-for-diy-power-source-just-add-water/ | Clay Makes For DIY Power Source, Just Add Water | Al Williams | [
"Science"
] | [
"battery",
"Robert Murray-Smith",
"thermocouple"
] | [Robert Murray-Smith] starts out
showing us some clay formations that house bees
. He couldn’t take any of that clay home, but that’s no problem — clay is plentiful, and apparently, you can make a battery with it. Well, perhaps not really a battery. Adding water to zeolite — a clay often used as a filter material — gen... | 16 | 8 | [
{
"comment_id": "6653091",
"author": "Mark",
"timestamp": "2023-06-15T12:06:32",
"content": "Nothing beats a science lesson from Bilbo Baggins!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6653114",
"author": "Piotrsko",
"timestamp": "2023-06-15T14:1... | 1,760,372,266.857582 | ||
https://hackaday.com/2023/06/14/ham-almost-cooks-dog/ | Ham Almost Cooks ‘Dog | Jenny List | [
"Radio Hacks"
] | [
"amateur radio",
"hot dog",
"RF power"
] | For those of us licensed in other countries it comes as something of a surprise to find that American radio amateurs now have to run RF exposure calculations as part of their licence requirements. [Ham Radio Crash Course] as approached this in a unique fashion,
by running around 800 watts of 6-metre power into a vertic... | 34 | 12 | [
{
"comment_id": "6653015",
"author": "YGDES",
"timestamp": "2023-06-15T05:14:29",
"content": "Well, it’s not April 1st this time.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6653181",
"author": "Scott",
"timestamp": "2023-06-15T17:59:26",
... | 1,760,372,266.9333 | ||
https://hackaday.com/2023/06/14/parker-solar-probes-confirmation-of-interchange-reconnection-being-the-source-of-fast-solar-wind/ | Parker Solar Probe’s Confirmation Of Interchange Reconnection Being The Source Of Fast Solar Wind | Maya Posch | [
"News",
"Science",
"Space"
] | [
"parker solar probe",
"solar wind"
] | Although experimental verification is at the heart of the scientific method, there is quite a difficulty range when it comes to setting up such an experiment. Testing what underlies the formation of the fast solar winds that are ejected from coronal holes in the Sun’s corona is one of these tricky experimental setups. ... | 4 | 3 | [
{
"comment_id": "6653035",
"author": "Chris",
"timestamp": "2023-06-15T07:18:19",
"content": "For a second I thought it was referring to the other Parker’s Solar Probe, the 1-pixel one",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6653157",
"author": "Kei... | 1,760,372,267.189153 | ||
https://hackaday.com/2023/06/14/google-home-scripting/ | Google Home Scripting | Al Williams | [
"google hacks",
"home hacks",
"News"
] | [
"google home",
"home automation"
] | It is always controversial to have home assistants like the ones from Google or Amazon. There are privacy concerns, of course. Plus they maddeningly don’t always do what you intend for them to do. However, if you do have one, you’ve probably thought about something you wanted to do that would require programming. Sure,... | 14 | 5 | [
{
"comment_id": "6652958",
"author": "topol",
"timestamp": "2023-06-14T23:45:24",
"content": "Despite over 200 years of indoor plumbing I still find it fascinating how toilet will clog when someone uses it to dispose women hygene products. If anything we as a mankind could spend our energy on design... | 1,760,372,267.142349 | ||
https://hackaday.com/2023/06/14/its-never-too-late-to-upgrade-your-zx81-keyboard/ | It’s Never Too Late To Upgrade Your ZX81 Keyboard | Jenny List | [
"Peripherals Hacks",
"Retrocomputing"
] | [
"keyboard",
"mechanical keyboard",
"zx81"
] | Sir Clive Sinclair’s ZX81 was a phenomenal sales success as one of the cheapest machines available in the early 1980s, but even its most fervent admirers will admit that it suffered heavily from the Sinclair economy drive. In particular that membrane keyboard was notorious for its lack of feedback, and a popular upgrad... | 16 | 7 | [
{
"comment_id": "6652893",
"author": "Greg Garriss",
"timestamp": "2023-06-14T20:11:10",
"content": "I well remember the horrible membrane keyboard of the ZX80. But when it came out, it was about the only game in town for student hobbyists even though $75 was a month’s rent. Now we pay that much to ... | 1,760,372,267.240814 | ||
https://hackaday.com/2023/06/14/updated-oshw-flash-drive-keeps-data-safe-fingers-dry/ | Updated OSHW Flash Drive Keeps Data Safe, Fingers Dry | Tom Nardi | [
"Security Hacks",
"Tech Hacks"
] | [
"flash drive",
"Ovrdrive",
"self destruct",
"usb drive"
] | For almost a year now, we’ve been following the progress [Walker] has been making with Ovrdrive — a completely open source USB flash drive that features the ability to destroy itself should it fall into the wrong hands. It’s an interesting enough project on those merits alone, but what really made this idea stand out w... | 27 | 11 | [
{
"comment_id": "6652860",
"author": "Andrzej",
"timestamp": "2023-06-14T18:48:45",
"content": "I’m curious about the kind of damage that is done by overvolting the flash chip. If I were really so paranoid to have a self-destructing flash drive, I would prefer to use encryption and wipe the keys, in... | 1,760,372,267.45452 | ||
https://hackaday.com/2023/06/14/math-you-can-wear-fibonacci-spiral-led-badge/ | Math You Can Wear: Fibonacci Spiral LED Badge | Navarre Bartz | [
"LED Hacks",
"Microcontrollers"
] | [
"addressable led",
"badge",
"fibonacci",
"fibonacci sequence",
"LED spiral",
"Neopixels",
"RGB LED",
"rp2040",
"spiral"
] | Fibonacci numbers are seen in the natural structures of various plants, such as the florets in sunflower heads, areoles on cacti stems, and scales in pine cones. [HackerBox] has developed a
Fibonacci Spiral LED Badge
to bring this natural phenomenon to your electronics.
To position each of the 64 addressable LEDs withi... | 8 | 5 | [
{
"comment_id": "6652780",
"author": "sgmogi",
"timestamp": "2023-06-14T16:00:02",
"content": "Just note that lead is a neurotoxin and may cause cancer. I’d rather wear a toilet seat rather than piece of lead on my neck.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,372,267.385114 | ||
https://hackaday.com/2023/06/13/cheap-usb-sniffer-has-wireshark-interface/ | Cheap USB Sniffer Has Wireshark Interface | Lewin Day | [
"Misc Hacks"
] | [
"usb"
] | If you’ve done any development on USB hardware, you’ve probably wished you could peek at the bits and bytes as they pass through the data lines. Sometimes, it’s the only way to properly understand what’s going on.
[ataradov]’s USB sniffer is built to do just that.
To sniff high-speed USB communications, the device reli... | 40 | 15 | [
{
"comment_id": "6652535",
"author": "sfbsion",
"timestamp": "2023-06-13T19:05:35",
"content": "USB is as bad as transitting data over Cascading interface used in older Macs. Hopefully it’ll be replaced by something that’s open like DB9 serial port.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,267.533938 | ||
https://hackaday.com/2023/06/13/apple-ii-now-with-chatgpt/ | Apple II – Now With ChatGPT | Navarre Bartz | [
"Machine Learning",
"Retrocomputing"
] | [
"apple",
"Apple 2",
"ChatGPT",
"large language model",
"python"
] | Hackers are finding no shortage of new things to teach old retrocomputers, and [Evan Michael] has taught his Apple II how to
communicate with ChatGPT
.
Written in Python, iiAI lets an Apple II access everyone’s favorite large language model (LLM) through the terminal. The program lives on a more modern computer and is ... | 10 | 5 | [
{
"comment_id": "6652505",
"author": "Alex",
"timestamp": "2023-06-13T15:50:53",
"content": "Awesome! Keeping it alive.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652518",
"author": "Bill Williams",
"timestamp": "2023-06-13T17:14:30",
... | 1,760,372,267.577633 | ||
https://hackaday.com/2023/06/13/supercon-2022-liz-mcfarland-builds-golden-wings-shows-you-how/ | Supercon 2022: [Liz McFarland] Builds Golden Wings, Shows You How | Arya Voronova | [
"Art",
"cons",
"Hackaday Columns",
"Slider"
] | [
"2022 Superconference",
"cosplay",
"wings"
] | Are you, by any chance, wondering about giving yourself wings? You should listen to [Liz McFarland] sharing her experience building a Wonder Woman suit, and not just any – the Golden Eagle suit from Wonder Woman 1984, adorned with a giant pair of wings. If a suit like that is in your plans, you’ll be warmly welcomed at... | 7 | 4 | [
{
"comment_id": "6652496",
"author": "Comedicles",
"timestamp": "2023-06-13T15:22:39",
"content": "I’m sure I saw those in Barbarela?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652624",
"author": "Garth Bock",
"timestamp": "2023-06-14T02... | 1,760,372,267.646114 | ||
https://hackaday.com/2023/06/13/hacking-headaches-keeping-a-neurostimulator-working/ | Hacking Headaches: Keeping A Neurostimulator Working | Dan Maloney | [
"Medical Hacks",
"Repair Hacks"
] | [
"abandonware",
"brick",
"cluster headache",
"migraine",
"nerve",
"neuro",
"neuromodulation",
"SPG",
"sphenopalatine ganglion"
] | We’ve heard a ton of stories over the years about abandoned technology — useful widgets, often cloud-based, that attracted an early and enthusiastic following, only to have the company behind the tech go bankrupt or decide to end operations for business reasons, which effectively bricks hundreds or perhaps millions of ... | 11 | 5 | [
{
"comment_id": "6652475",
"author": "alex",
"timestamp": "2023-06-13T13:16:00",
"content": "I’m glad this story ends with a positive note. These kinds of stories tend to go full dystopian. People forced by a corpo collapse to hack their prototype-ish medical equipment so that their brain implant co... | 1,760,372,267.694803 | ||
https://hackaday.com/2023/06/13/the-crystal-high-voltage-method/ | The Crystal (High Voltage) Method | Al Williams | [
"Tool Hacks"
] | [
"crystal oscillator",
"Network analyzer",
"test equipment"
] | Do high voltages affect the resonant frequency of a crystal? Honestly, we never thought about it, but [Joe] did and decided to risk his
analyzer to find out
. He started with some decidedly old-school crystals like you might have found in a 1960-era Novice rig. Since the crystal is piezoelectric, he wondered if using a... | 11 | 7 | [
{
"comment_id": "6652439",
"author": "David",
"timestamp": "2023-06-13T08:47:26",
"content": "Interesting experiment, but a variable capacitor across … or in series with … the crystal works a lot better.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652449... | 1,760,372,267.745944 | ||
https://hackaday.com/2023/06/12/do-not-attempt-disassembly-analog-wizardry-in-a-1960s-counter/ | Do Not Attempt Disassembly: Analog Wizardry In A 1960s Counter | Jonathan Bennett | [
"Repair Hacks"
] | [
"frequency counter",
"HP",
"repair"
] | [CuriousMarc] is back with
more vintage HP hardware repair
. This time it’s the HP 5245L, a digital nixie-display frequency counter from 1963. This unit is old enough to be entirely made of discrete components, but has a real trick up its sleeve, with add-on components pushing the frequency range all the way up to 18 G... | 22 | 8 | [
{
"comment_id": "6652413",
"author": "jpa",
"timestamp": "2023-06-13T07:00:11",
"content": "That text is much more convincing than the “No user-serviceable parts inside” that nowadays gets plastered on anything :)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,372,267.807225 | ||
https://hackaday.com/2023/06/12/two-pots-on-your-moped/ | Two Pots On Your Moped | Jenny List | [
"Engine Hacks"
] | [
"2 cylinder",
"2-stroke",
"moped"
] | The fastest motorcycle in the world is not some elite racer piloted across the salt flats at crazy speeds, instead it’s your
first
bike. Even if it’s a 50 cc moped, no other motorcycle you will own afterwards will give you that same hit as the first time you sit astride it and open the throttle. It has to be admitted t... | 25 | 11 | [
{
"comment_id": "6652388",
"author": "TG",
"timestamp": "2023-06-13T03:47:21",
"content": "Now all I need to do is get two CB-750s so I can make a striaght-eight motorbike that’s even more ludicrous than that straight-six engine Honda made. And it’ll be as wide as a car.",
"parent_id": null,
... | 1,760,372,267.912601 | ||
https://hackaday.com/2023/06/12/blind-camera-visualizing-a-scene-from-its-sounds-alone/ | Blind Camera: Visualizing A Scene From Its Sounds Alone | Maya Posch | [
"Art",
"Artificial Intelligence"
] | [
"artificial neural network",
"Blind Camera"
] | A visualization by the Blind Camera based on recorded sounds and the training data set for the neural network. (Credit: Diego Trujillo Pisanty)
When we see a photograph or photo of a scene, we can likely imagine what sounds would go with it, but what if this gets inverted, and we have to imagine the scene that goes wit... | 4 | 3 | [
{
"comment_id": "6652357",
"author": "Andrew",
"timestamp": "2023-06-13T00:46:32",
"content": "“When you hear hoofbeats, think horses, not zebras.”",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6652394",
"author": "paul shallard",
"timestamp": "2023-0... | 1,760,372,267.850024 | ||
https://hackaday.com/2023/06/12/a-ride-on-picnic-table-for-those-idylic-summer-evenings/ | A Ride-On Picnic Table For Those Idylic Summer Evenings | Jenny List | [
"Transportation Hacks"
] | [
"farm hacks",
"motorized",
"picnic table"
] | For most outsiders the Netherlands is a country of picturesque cities, windmills, tulips, and maybe those famous coffee shops. Head away from the coast though and you enter the country’s rural hinterland, farming country with lush green fields, dairy cattle, and farm lads doing what they do best, which is hacking old m... | 12 | 4 | [
{
"comment_id": "6652274",
"author": "asheets",
"timestamp": "2023-06-12T20:06:47",
"content": "For some reason, I’m envisioning those darn bars on wheels popular in college towns where the students peddle around town while drinking",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,268.021544 | ||
https://hackaday.com/2023/06/12/a-489-megapixel-camera-for-not-a-lot/ | A 489 Megapixel Camera For Not A Lot | Jenny List | [
"digital cameras hacks"
] | [
"digital camera",
"medium format",
"scanner",
"scanner camera"
] | The megapixel wars of a decade ago saw cameras aggressively marketed on the resolution of their sensors, but as we progressed into the tens of megapixels it became obvious even to consumers that perhaps there might be a little more to the quality of a digital camera than just its resolution. Still, it’s a frontier that... | 26 | 13 | [
{
"comment_id": "6652253",
"author": "Sweeney",
"timestamp": "2023-06-12T18:56:04",
"content": "Scanning backs are an old idea that don’t work well. The problem is that they are only suitable for still scenes. Even landscape photographs often have things moving in portions, which result in unpleasan... | 1,760,372,268.081886 | ||
https://hackaday.com/2023/06/12/passionate-hams-make-their-mark-on-the-hack-chat/ | Passionate Hams Make Their Mark On The Hack Chat | Tom Nardi | [
"Hackaday Columns",
"Radio Hacks",
"Slider"
] | [
"amateur radio",
"Hack Chat",
"ham radio",
"RTL-SDR",
"software-defined radio",
"wspr"
] | Let’s be honest — there are some not very pleasant stereotypes associated with amateur radio, at least if you ask outsiders. Hams are often thought of as being in two camps: old guys who can’t figure out modern technology or conspiracy theorists who think their knowledge of radio will give them an edge after the world ... | 63 | 17 | [
{
"comment_id": "6652217",
"author": "thom",
"timestamp": "2023-06-12T17:39:05",
"content": "“$20 Baofeng” and “paired up with a proper antenna.”Great… a radio that the 2nd harmonic is only -26db down(or worse) into a high gain antenna.What could go wrong.",
"parent_id": null,
"depth": 1,... | 1,760,372,268.587349 | ||
https://hackaday.com/2023/06/12/high-voltage-ion-engines-take-trip-on-the-high-seas/ | High Voltage Ion Engines Take Trip On The High Seas | Tom Nardi | [
"High Voltage",
"Transportation Hacks"
] | [
"catamaran",
"ion propulsion",
"ion thruster",
"Plasma Channel",
"remote controlled"
] | Over the last several months, we’ve been enjoying a front-row seat as [Jay Bowles] of
Plasma Channel
has been developing and perfecting his design for a high voltage multi-stage ionic thruster. With each installment, the unit has become smaller, lighter, and more powerful. Which is important, as the ultimate goal is to... | 21 | 12 | [
{
"comment_id": "6652175",
"author": "jay hocke",
"timestamp": "2023-06-12T15:45:39",
"content": "That is fascinating! Seems like the military might be interested in its application for craft used by special operators for covert actions of some sort.",
"parent_id": null,
"depth": 1,
"re... | 1,760,372,268.272979 | ||
https://hackaday.com/2023/06/12/spy-tech-unshredding-documents/ | Spy Tech: Unshredding Documents | Al Williams | [
"History"
] | [
"computer vision",
"germany",
"shredding",
"stasi"
] | Bureaucracies generate paper, usually lots of paper. Anything you consider private — especially anything that could get you in trouble — should go in a “burn box” which is usually a locked trash can that is periodically emptied into an incinerator. However, what about a paper shredder? Who hasn’t seen a movie or TV sho... | 38 | 13 | [
{
"comment_id": "6652138",
"author": "Ostracus",
"timestamp": "2023-06-12T14:05:23",
"content": "Throw some HDC at the problem.https://www.quantamagazine.org/a-new-approach-to-computation-reimagines-artificial-intelligence-20230413/",
"parent_id": null,
"depth": 1,
"replies": []
},
{... | 1,760,372,268.67465 | ||
https://hackaday.com/2023/06/12/spaying-cats-in-one-shot/ | Spaying Cats In One Shot | Navarre Bartz | [
"Medical Hacks"
] | [
"biology",
"cats",
"endocrinology",
"feline",
"humane",
"reproduction"
] | Feral cats live a rough life, and programs like Trap, Neuter, Release (TNR) attempt to keep their populations from exploding in a humane way. Researchers in Massachusetts have found a
non-surgical way to spay cats
that will help these efforts.
A single dose of anti-Müllerian hormone (AMH) gene therapy suppresses ovaria... | 61 | 16 | [
{
"comment_id": "6652084",
"author": "Ostracus",
"timestamp": "2023-06-12T11:07:00",
"content": "“If you’d rather use a cat treat dispenser to motivate your code monkeys, then check out this hack.”Good way to keep their population down. :-D",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,372,268.372464 | ||
https://hackaday.com/2023/06/12/a-modular-analogue-computer/ | A Modular Analogue Computer | Jenny List | [
"computer hacks"
] | [
"analog",
"analog computer",
"analogue"
] | We are all used to modular construction in the analogue synth world, to the extent that there’s an accepted standard for it in EuroRack. But the same techniques are just as useful wherever else analogue circuits need to be configured on the fly, such as in an analogue computer. It’s something [Rainer Glaschick] has pur... | 20 | 4 | [
{
"comment_id": "6652057",
"author": "Stephen Walters",
"timestamp": "2023-06-12T08:17:20",
"content": "Systematic Analogue Computer Programming Pitman paperback 1967 & 70ISBN-10 : 0273401262ISBN-13 : 978-0273401261",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,372,269.01834 | ||
https://hackaday.com/2023/06/11/characterizing-singular-atoms-using-x-ray-spectroscopy-and-scanning-tunneling-microscopy/ | Characterizing Singular Atoms Using X-Ray Spectroscopy And Scanning Tunneling Microscopy | Maya Posch | [
"Science"
] | [
"scanning tunneling microscope",
"SX-STM"
] | Scanning Tunneling Microscopes (STMs) are amazing tools which can manipulate singular atoms, but they cannot characterize these atoms as they act only on the outer electron shell. Meanwhile X-ray spectroscopy is a great tool for characterizing materials, but has so far been unable to scale down to singular atoms. This ... | 0 | 0 | [] | 1,760,372,268.718559 | ||
https://hackaday.com/2023/06/11/the-first-search-engines-built-by-librarians/ | The First Search Engines, Built By Librarians | Bryan Cockfield | [
"Software Development"
] | [
"internet",
"librarians",
"library",
"network",
"psychology",
"research",
"search",
"search engine",
"supars",
"syracuse university",
"university"
] | Before the Internet became the advertisement generator we know and love today, interspersed with interesting information here and there, it was originally a network of computers largely among various universities. This was even before the world-wide web and HTML which means that the people using these proto-networks, m... | 14 | 7 | [
{
"comment_id": "6652020",
"author": "Comedicles",
"timestamp": "2023-06-12T04:07:35",
"content": "Desk Set, 1957. YT has it in their “Buy, Rent” stuff I did not know they have.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6652100",
"author": "Paul... | 1,760,372,268.769654 | ||
https://hackaday.com/2023/06/11/hackaday-links-june-11-2023/ | Hackaday Links: June 11, 2023 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links",
"Slider"
] | [
"bear",
"Bioweapon",
"camera",
"diorama",
"donuts",
"Eben Upton",
"factory tour",
"flying car",
"hackaday links",
"hvac",
"imsai 8080",
"Rapsberry Pi",
"smoke",
"sony",
"spying",
"tesla",
"UAP",
"UFO",
"Wales",
"wargames",
"whistleblower",
"wildfires"
] | As Tom Nardi mentioned in this week’s podcast, the Northeast US is pretty apocalyptically
socked in with smoke
from wildfires in Canada. It’s what we here in Idaho call “August,” so we have plenty of sympathy for what they’re going through out there. People are turning to technology to ease their breathing burden, with... | 20 | 7 | [
{
"comment_id": "6651968",
"author": "Ostracus",
"timestamp": "2023-06-11T23:08:25",
"content": "“All of which begs the question: If we’ve had vehicles of “exotic origin” available to us for decades, where the hell are our flying cars?”SpaceX.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,372,268.835348 | ||
https://hackaday.com/2023/06/11/a-peak-inside-a-747-fuel-gauge/ | A Peek Inside A 747 Fuel Gauge | Matthew Carlson | [
"Reverse Engineering",
"Teardown",
"Transportation Hacks"
] | [
"747",
"boeing",
"Boeing 747",
"fuel gauge"
] | It isn’t that often that we civilians get the chance to closely examine the fantastic internals that make up the modern marvels of avionic engineering. Luckily for us, [Glen] got his
hands on a 747 fuel gauge and tore it down for our benefit
. Not only does he tear it down, but he also builds a controller to display va... | 28 | 7 | [
{
"comment_id": "6651922",
"author": "TG",
"timestamp": "2023-06-11T20:02:45",
"content": "Seems kinda overcomplicated, but I’m sure Boeing knows what they are doing… Rather, they used to know when they made this particular one.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,268.897963 | ||
https://hackaday.com/2023/06/11/hyundai-is-doomed-porting-the-1993-classic-to-a-hyundai-head-unit/ | Hyundai Is Doomed: Porting The 1993 Classic To A Hyundai Head Unit | Maya Posch | [
"car hacks",
"Linux Hacks"
] | [
"does it run doom",
"doom",
"infotainment"
] | In the natural order of the world, porting
DOOM
to any newly unlocked computing system is an absolute given. This a rule which [greenluigi1] understands all too well, leading to presumably the first Hyundai to be
equipped with this all-time classic
on its infotainment system. This follows hot on the trail of
re-hacking... | 6 | 3 | [
{
"comment_id": "6651882",
"author": "Neverm|nd",
"timestamp": "2023-06-11T18:06:22",
"content": "Ha ! It’d be hard to show on video, but since someone has gone this far, I’d imagine the UX would be much improved if the gas pedal was used for forward motion… And…. The horn (?) [though that would get... | 1,760,372,268.94149 | ||
https://hackaday.com/2023/06/11/the-time-machine-mk-8-is-a-sleek-smartwatch-with-retro-styling/ | The Time Machine Mk. 8 Is A Sleek Smartwatch With Retro Styling | Robin Kearey | [
"clock hacks",
"Wearable Hacks"
] | [
"digital wristwatch",
"seven segment LCD",
"watch"
] | The primary purpose of a wristwatch is to tell the time, which pretty much any watch does perfectly fine. It’s in the aesthetics, as well as features other than time-telling, where a watchmaker can really make their product stand out from the rest. Watchmaker and electronic artist [Eric Min] focused on those two areas ... | 16 | 4 | [
{
"comment_id": "6651848",
"author": "Urgon",
"timestamp": "2023-06-11T14:43:45",
"content": "Nice design, but lack of case makes this watch rather fragile. It will be too easy to accidentally damage the display, not mentioning, what dirt and humidity can do to it. I didn’t look up the backside, but... | 1,760,372,269.075661 | ||
https://hackaday.com/2023/06/10/what-do-you-want-in-a-programming-assistant/ | What Do You Want In A Programming Assistant? | Al Williams | [
"Hackaday Columns",
"Rants",
"Slider",
"Software Development"
] | [
"ai",
"chatbot",
"machine learning",
"newsletter"
] | The Propellerheads released a song in 1998 entitled “
History Repeating
.” If you don’t know it, the lyrics include: “They say the next big thing is here. That the revolution’s near. But to me, it seems quite clear. That it’s all just a little bit of history repeating.” The next big thing today seems to be the AI chatb... | 57 | 20 | [
{
"comment_id": "6651580",
"author": "Alphatek",
"timestamp": "2023-06-10T14:12:08",
"content": "Programming is easy. Programming well is hard. AI is self-reinforcing mediocrity. We’re all doomed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651591",
... | 1,760,372,269.176938 | ||
https://hackaday.com/2023/06/10/3d-printing-lego-like-blocks/ | 3D Printing LEGO-like Blocks | Bryan Cockfield | [
"Toy Hacks"
] | [
"3d printed",
"3d printing professor",
"bricks",
"interlocking",
"lego",
"printablok",
"scalable",
"toy"
] | LEGO are perhaps the perfect children’s toy, at least until you step on the errant brick while walking around the house. Available in all kinds of sets with varying themes and characters, they encourage building and creativity in kids like no other. Those with 3D printers might have considered creating their own specia... | 8 | 6 | [
{
"comment_id": "6651577",
"author": "make piece, not war",
"timestamp": "2023-06-10T13:55:47",
"content": "I’ve seen recently a yt video of mr. Larson explaining how it evolved to the current form.Also I suspect that HaD is sneaking on my web hystory list because again I found here videos/articles ... | 1,760,372,269.362399 | ||
https://hackaday.com/2023/06/10/affordably-detecting-water-pollutants-using-3d-printed-lattices-and-plasmonic-nanoparticles/ | Affordably Detecting Water Pollutants Using 3D Printed Lattices And Plasmonic Nanoparticles | Maya Posch | [
"Science"
] | [
"water pollution"
] | Although detecting pollution in surface waters has become significantly easier over the years, testing for specific pollutants still requires the taking of samples that are then sent to a laboratory for analysis. For something like detecting pesticide run-off, this can be a cumbersome and expensive procedure. But a
3D ... | 6 | 4 | [
{
"comment_id": "6651588",
"author": "Gravis",
"timestamp": "2023-06-10T14:48:05",
"content": "This is fantastic! The only downside is the 24 hour needed for adsorption but still better than having to send it off to a lab!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comm... | 1,760,372,269.228375 | ||
https://hackaday.com/2023/06/09/magnetic-bubble-memory-brought-to-life-on-heathkit/ | Magnetic Bubble Memory Brought To Life On Heathkit | Bryan Cockfield | [
"Retrocomputing"
] | [
"bubble memory",
"h8",
"heathkit",
"Intel 8080",
"magnetic",
"retrocomputing"
] | There are all kinds of technology that appear through the ages that find immediate success, promise to revolutionize the world, but fade to obscurity almost as quickly. Things like the ZIP disk, RDRAM, the digital compact cassette, or even Nintendo’s VirtualBoy. Going even further back in time [smbaker] is taking a loo... | 11 | 4 | [
{
"comment_id": "6651522",
"author": "Drone",
"timestamp": "2023-06-10T07:37:12",
"content": "Heathkit – A once respected and revered company. Today [1] it is just another case of an old trademark being hijacked. That’s really a shame. With more innovation, community building, and a lot less greed, ... | 1,760,372,269.462464 | ||
https://hackaday.com/2023/06/09/nasa-team-sets-new-space-to-ground-laser-communication-record/ | NASA Team Sets New Space-to-Ground Laser Communication Record | Joseph Long | [
"Laser Hacks",
"News",
"Space"
] | [
"nasa",
"optical communication",
"world record"
] | [NASA] and a team of partners has demonstrated a space-to-ground laser communication system operating at a record breaking 200 gigabit per second (Gbps) data rate. The
TeraByte InfraRed Delivery (TBIRD)
satellite payload was designed and built by [MIT Lincoln Laboratory]. The record of the highest data rate ever achiev... | 13 | 4 | [
{
"comment_id": "6651505",
"author": "arcturus",
"timestamp": "2023-06-10T05:44:09",
"content": "This is really cool. And surely it will enable lots of sweet science data to be sent back to earth from probes and such. But, will this work for deep space missions? Can we get 4k live streaming video fr... | 1,760,372,269.412689 | ||
https://hackaday.com/2023/06/09/the-pdp8-that-never-was-hollow-state-logic/ | The PDP8 That Never Was: Hollow State Logic | Al Williams | [
"Retrocomputing"
] | [
"PDP-8",
"vacuum tube"
] | [Outer World Apps] noted that there was no PDP-8/V made by DEC — a variant that used vacuum tubes. So he’s decided
to make one using about 320 6J6A tubes
. He’s got a plan and a few boards completed — we can’t wait to see it finished.
The logic is actually done by crystal rectifiers, but the tubes do inversion. To make... | 31 | 7 | [
{
"comment_id": "6651445",
"author": "greenbit",
"timestamp": "2023-06-09T23:21:39",
"content": "I recall seeing 5lb bags of memory cores – just the little ferrite rings, looked like a bag of chia seeds – dirt cheap at some surplus place, probably sometime in the 90s. Got a wild urge to wire up a fe... | 1,760,372,271.650059 | ||
https://hackaday.com/2023/06/09/recreating-an-analog-tv-test-pattern/ | Recreating An Analog TV Test Pattern | Bryan Cockfield | [
"hardware"
] | [
"analog",
"hardware",
"pattern generator",
"pilips",
"pt8631",
"television",
"test pattern",
"tv"
] | While most countries have switched to digital broadcasting, and most broadcasts themselves have programming on 24/7 now, it’s hard to remember the ancient times of analog broadcasts that would eventually stop sometime late at night, displaying a test pattern instead of infomercials or reruns of an old sitcom. They were... | 25 | 17 | [
{
"comment_id": "6651383",
"author": "Ostracus",
"timestamp": "2023-06-09T20:28:52",
"content": "And one that generated the Indian head picture.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651432",
"author": "paulvdh",
"timestamp": "2023-... | 1,760,372,271.263017 | ||
https://hackaday.com/2023/06/11/modern-brownie-camera-talks-sd-and-wifi/ | Modern Brownie Camera Talks SD And WiFi | Al Williams | [
"classic hacks",
"digital cameras hacks"
] | [
"camera",
"ESP32",
"kodak"
] | If you’re at all into nostalgic cameras, you’ve certainly seen the old Brownie from Kodak. They were everywhere, and feature an iconic look. [JGJMatt] couldn’t help but notice that you could easily find old ones at a good price, but finding and developing No. 117 film these days can be challenging. But thanks to a litt... | 4 | 4 | [
{
"comment_id": "6651833",
"author": "macsimski",
"timestamp": "2023-06-11T13:55:00",
"content": "the ones i have are all metal with no wifi coming through, so i opted for a Polaroid body.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6651931",
"author": ... | 1,760,372,271.761563 | ||
https://hackaday.com/2023/06/11/siphoning-energy-from-power-lines/ | Siphoning Energy From Power Lines | Bryan Cockfield | [
"High Voltage"
] | [
"coupling",
"electricity",
"inductor",
"LC circuit",
"led",
"magnetic field",
"power",
"stealing",
"tuned circuit"
] | The discovery and implementation of alternating current revolutionized the entire world little more than a century ago. Without it, we’d all have inefficient, small neighborhood power plants sending direct current in short, local circuits. Alternating current switches the direction of current many times a second, causi... | 108 | 24 | [
{
"comment_id": "6651777",
"author": "Mystick",
"timestamp": "2023-06-11T08:19:37",
"content": "When I was doing cable work, we had what were effectively little wands that had an induction coil and a simple circuit in them that could detect if a conductor was energized without contact. All of them h... | 1,760,372,271.581239 | ||
https://hackaday.com/2023/06/10/play-n64-games-the-right-way-with-this-classic-controller-adapter/ | Play N64 Games The Right Way With This Classic Controller Adapter | Robin Kearey | [
"Nintendo Hacks"
] | [
"blackpill",
"game controller",
"nintendo 64",
"Nintendo Switch"
] | Game consoles typically support a limited number of input devices, meaning that console games are often completely optimized for the default controller supplied with that platform. Nintendo’s tendency to completely reinvent their controllers pretty much every generation can therefore become a little irritating, especia... | 11 | 6 | [
{
"comment_id": "6651847",
"author": "sampleusername",
"timestamp": "2023-06-11T14:42:51",
"content": "Cool hack, but this is one of the times where I would not recommend reusing an original controller. The original N64 controllers had plastic internals that would grind against the bowl, which led t... | 1,760,372,271.433064 | ||
https://hackaday.com/2023/06/10/the-primordial-soups-on-with-this-modified-miller-urey-experiment/ | 2023 Hackaday Prize: The Primordial Soup’s On With This Modified Miller-Urey Experiment | Dan Maloney | [
"chemistry hacks"
] | [
"abiogenesis",
"arduino",
"flyback",
"formic acid",
"Miller-Urey",
"plasma",
"primordial"
] | It’s a pretty sure bet that anyone who survived high school biology has heard about the Miller-Urey experiment that supported the hypothesis that the chemistry of life could arise from Earth’s primordial atmosphere. It was literally “lightning in a bottle,” with a mix of gases like methane, ammonia, hydrogen, and water... | 5 | 3 | [
{
"comment_id": "6651754",
"author": "Russell McMahon",
"timestamp": "2023-06-11T04:21:11",
"content": "Miller’s experiment seemed likely to lead to very major new discoveries. Near the end of his career 40+ years later he noted that it hadn’t happened as hoped or expected. Much was learned along t... | 1,760,372,271.306817 | ||
https://hackaday.com/2023/06/10/listening-to-the-iss-on-the-cheap/ | Listening To The ISS On The Cheap | Dan Maloney | [
"Radio Hacks",
"Space"
] | [
"amateur radio",
"baofeng",
"cross-band",
"international space station",
"iss",
"repeater",
"yagi"
] | Like any hobby, amateur radio has no upper bounds on what you can spend getting geared up. Shacks worth tens of thousands of dollars are easy to come by, and we’ll venture a guess that there are hams out there pushing six figures with their investment in equipment. But hands down, the most expensive amateur radio stati... | 36 | 6 | [
{
"comment_id": "6651705",
"author": "Mike",
"timestamp": "2023-06-10T23:37:40",
"content": "Man, I would have rather taken that $100 Billion of useless space junk, and put it toward the national debt. Would have gotten allot more use of the money that way, than that useless space station.",
"pa... | 1,760,372,271.722389 | ||
https://hackaday.com/2023/06/10/crafting-ribbon-cables-for-retro-hardware/ | Crafting Ribbon Cables For Retro Hardware | Bryan Cockfield | [
"classic hacks",
"Retrocomputing"
] | [
"cable",
"customization",
"Disk drive",
"floppy drive",
"ide cable",
"parallel",
"retrocomputing",
"ribbon cable",
"tools"
] | Building a modern computer is something plenty of us have done, and with various tools available to ensure that essentially the only thing required of the end user is to select parts and have them delivered via one’s favorite (or least expensive) online retailer. Not so with retro hardware, though. While some parts can... | 23 | 10 | [
{
"comment_id": "6651675",
"author": "Garth Bock",
"timestamp": "2023-06-10T20:24:17",
"content": "We made our own cables to convert our TRS80 mod 3/4 to dual sided drives. Radio Shack used head select instead of drive select to address multiple drives. Head 0 selected drive 0, head 1 selected drive... | 1,760,372,271.039885 | ||
https://hackaday.com/2023/06/10/using-freecad-to-replace-oem-parts/ | Using FreeCAD To Replace OEM Parts | Bryan Cockfield | [
"Software Hacks"
] | [
"cad",
"design",
"freecad",
"hinge",
"modeling",
"parts",
"restoration"
] | As much as we might all like it if manufacturers supported their products indefinitely with software updates or replacement parts, this just isn’t feasible. Companies fail or get traded, technologies evolve, and there’s also an economic argument against creating parts for things that are extremely old or weren’t popula... | 46 | 7 | [
{
"comment_id": "6651623",
"author": "Andy Pugh",
"timestamp": "2023-06-10T17:19:02",
"content": "If you don’t have the drawings you can get a long way with micrometers, calipers and radius gauges.It is also possible to probe existing parts and use that to make a CAD model. I show sn example of that... | 1,760,372,271.389461 | ||
https://hackaday.com/2023/06/08/using-excel-to-manage-a-commodore-64/ | Using Excel To Manage A Commodore 64 | Bryan Cockfield | [
"Retrocomputing"
] | [
"arduino",
"commodore 64",
"database",
"emulator",
"excel",
"floppy disk",
"hard disk",
"programs",
"retrocomputing",
"software"
] | The “save” icon for plenty of modern computer programs, including Microsoft Office, still looks like a floppy disk, despite the fact that these have been effectively obsolete for well over a decade. As fewer and fewer people recognize what this icon represents, a challenge is growing for retrocomputing enthusiasts that... | 16 | 11 | [
{
"comment_id": "6651096",
"author": "Andrew",
"timestamp": "2023-06-09T05:33:20",
"content": "Oh. My. God.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651296",
"author": "John",
"timestamp": "2023-06-09T15:00:35",
"content": "1st... | 1,760,372,271.090614 | ||
https://hackaday.com/2023/06/08/op-amp-challenge-a-logic-free-bcd/ | Op-Amp Challenge: A Logic-Free BCD | Dan Maloney | [
"contests"
] | [
"analog",
"bcd",
"comparator",
"converter",
"counter",
"lm324",
"logic",
"Op Amp Challenge",
"Widlar"
] | Of digital electronics, a wise man once said that “Every idiot can count to one.” Truer words have rarely been spoken, because at the end of the day, every digital circuit is really just an analog circuit with the interesting bits abstracted away. And to celebrate that way of looking at things, we’re pleased to present... | 10 | 5 | [
{
"comment_id": "6651041",
"author": "BrightBlueJim",
"timestamp": "2023-06-09T02:32:42",
"content": "You seem to have left out the part about which finger Bob Widlar used to count to 1.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651110",
"autho... | 1,760,372,271.809995 | ||
https://hackaday.com/2023/06/08/robotic-fox-is-part-dog-part-cat-just-like-the-real-thing/ | Robotic Fox Is Part Dog, Part Cat — Just Like The Real Thing | Dan Maloney | [
"Robots Hacks"
] | [
"cat",
"cheetah",
"dog",
"quadruped",
"servo",
"spot"
] | Foxes are cat software running on dog hardware, or so they say. And [Will Cogley] seems to have taken that to heart with
this 3D-printed robotic fox
, which borrows heavily from projects like Boston Dynamics Spot robodog. True, the analogy breaks down a bit when you include MIT’s Cheetah on the inspiration list, but yo... | 8 | 5 | [
{
"comment_id": "6651008",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-06-09T00:25:28",
"content": "Maybe PLASTI DIP could be used to give the “feet” traction?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651099",
"author":... | 1,760,372,271.855836 | ||
https://hackaday.com/2023/06/08/nissan-300zx-dash-given-a-new-language/ | Nissan 300zx Dash Given A New Language | Matthew Carlson | [
"car hacks"
] | [
"car",
"car dash",
"dash",
"digital dash",
"nissan"
] | You don’t have to be a car enthusiast to recognize that the 1984 Nissan 300x dash is a work of art. The graceful swoops and multisegment VFDs evoke an aesthetic that reminds us of a particular era. Rather than replace his dash with something drab and modern, [Evan] modified his
dash to accept input from newer devices
.... | 6 | 3 | [
{
"comment_id": "6650992",
"author": "Emmett Johnson",
"timestamp": "2023-06-08T23:05:01",
"content": "That is one awesome looking dash, and an amazing example of two hobbies complimenting each other perfectly!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "66... | 1,760,372,272.264602 | ||
https://hackaday.com/2023/06/08/op-amp-challenge-measuring-ph-no-code-required/ | Op-Amp Challenge: Measuring PH, No Code Required | Dan Maloney | [
"contests",
"Parts"
] | [
"3.5-digit",
"acid",
"base",
"ICL7106",
"LMV358A",
"Op Amp Challenge",
"pH"
] | When you see a project with a digital display these days, you’ll be forgiven for assuming that there’s some kind of microcontroller behind the scenes. And while that’s often the easiest way to get a project from idea to completion, it’s rarely the most interesting way.
This digital pH meter
is a great example of that “... | 2 | 2 | [
{
"comment_id": "6651165",
"author": "bstriggo",
"timestamp": "2023-06-09T11:01:22",
"content": "And with the slope and offset knobs… I’m feeling all nostalgic.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6651275",
"author": "Mark Garton",
"timesta... | 1,760,372,272.836342 | ||
https://hackaday.com/2023/06/08/bye-bye-ubuntu-hello-manjaro-how-did-we-get-here/ | Bye Bye Ubuntu, Hello Manjaro. How Did We Get Here? | Jenny List | [
"Linux Hacks",
"Rants"
] | [
"distribution",
"linux",
"Manjaro",
"ubuntu"
] | Last week I penned
a cheesy fake relationship breakup letter to Ubuntu
, my Linux distribution of choice for the last 15 years or so. It had well and truly delivered on its promise of a painless Linux desktop for most of that time, but the most recent upgrades had rendered it slow and bloated, with applications taking ... | 119 | 50 | [
{
"comment_id": "6650868",
"author": "Ben",
"timestamp": "2023-06-08T17:06:46",
"content": "Waiting for the Manjaro controversies!ElementaryOS is a great contender.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650880",
"author": "UnderSampled",
... | 1,760,372,272.704269 | ||
https://hackaday.com/2023/06/08/apple-invent-the-mechanical-watch/ | Apple Invent The Mechanical Watch | Jenny List | [
"clock hacks",
"Wearable Hacks"
] | [
"apple watch",
"mechanical watch",
"seiko",
"watch"
] | The Apple Watch has been on the market for long enough that its earlier iterations are now unsupported. Where some see little more than e-waste others see an opportunity, as has [NanoRobotGeek] with
this mechanical watch conversion on a first-generation model
.
What makes this build so special is its attention to detai... | 38 | 14 | [
{
"comment_id": "6650853",
"author": "fiddlingjunky",
"timestamp": "2023-06-08T16:11:14",
"content": "That is unbelievably cool. My household had an early Apple watch stop charging recently, maybe I’ll add this to my ever-growing backlog of projects that will inevitably get purged when I next move."... | 1,760,372,272.44445 | ||
https://hackaday.com/2023/06/09/these-3d-printed-biocatalytic-fibers-scrub-carbon-dioxide/ | These 3D Printed Biocatalytic Fibers Scrub Carbon Dioxide | Dan Maloney | [
"3d Printer hacks",
"chemistry hacks"
] | [
"carbon dioxide",
"carbonic anhydrase",
"co2",
"cross-linking",
"curing",
"enyme",
"PEG",
"photoinitiator",
"textile",
"uv"
] | On today’s episode of “What If?” — what if the Apollo 13 astronauts had a 3D printer? Well, for one thing, they may have been able to avoid all the futzing with duct tape and procedure list covers to jury rig the lithium hydroxide filters, at least if they’d known about
these 3D printed enzymatic CO
2
filters
. And tim... | 12 | 6 | [
{
"comment_id": "6651353",
"author": "Charles Lamb",
"timestamp": "2023-06-09T18:41:01",
"content": "I wonder how their carbon capture efficiency compares to that of plants.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651447",
"author": "paulvdh"... | 1,760,372,272.372069 | ||
https://hackaday.com/2023/06/09/retrotechtacular-a-closer-look-at-the-vt-proximity-fuze/ | Retrotechtacular: A Closer Look At The VT Proximity Fuze | Dan Maloney | [
"Retrotechtacular",
"Slider"
] | [
"antiaircraft",
"artillery",
"fuse",
"fuze",
"navy",
"proximity",
"radar",
"retrotechtacular",
"wwii"
] | Here at Hackaday, our aim is to bring you only the freshest of hacks, which carries the burden of being Johnny-on-the-spot with our source material. So if something of obvious interest to our readers goes viral, we might just choose to skip covering it ourselves, figuring you all have probably seen it already. But, if ... | 17 | 10 | [
{
"comment_id": "6651335",
"author": "TG",
"timestamp": "2023-06-09T17:24:20",
"content": "Still blows my mind that they made vacuum tubes capable of surviving cannon gee forces reliably. Obviously it works, but it really doesn’t seem like it should",
"parent_id": null,
"depth": 1,
"repl... | 1,760,372,272.325325 | ||
https://hackaday.com/2023/06/09/hackaday-podcast-222-vcf-east-special-edition/ | Hackaday Podcast 222: VCF East Special Edition | Tom Nardi | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Editor in Chief Elliot Williams is spending the week communing with nature, which under normal circumstances would mean no podcast — after all, he’s the one who puts each episode together. But since your weekend would obviously be ruined without a dose of lo-fi Hackaday beats to kick things off, Managing Editor Tom Nar... | 0 | 0 | [] | 1,760,372,273.119244 | ||
https://hackaday.com/2023/06/09/this-weekend-vcf-swap-meet-in-wall-nj/ | This Weekend: VCF Swap Meet In Wall, NJ | Tom Nardi | [
"Current Events",
"Retrocomputing"
] | [
"events",
"InfoAge",
"swap meet",
"VCF"
] | There was a time where you could regularly find local swap meets to pick up computer hardware, ham radios, and other tech gear at the sort of cut-rate prices so often produced by a sense of camaraderie. But with the rise of websites like Craigslist and eBay, meeting up in person to buy and sell used hardware started to... | 4 | 2 | [
{
"comment_id": "6651340",
"author": "paulvdh",
"timestamp": "2023-06-09T17:36:15",
"content": "I remember buying old and big A3 dot matrix printers for their parts. They had some quite big stepper motors in them back then.. Those were the old days of the “HCC” in The Netherlands.But in these moder... | 1,760,372,272.750759 | ||
https://hackaday.com/2023/06/09/this-week-in-security-minecraft-fractureiser-moveit-and-triangulation/ | This Week In Security:MinecraftFractureiser, MOVEit, And Triangulation | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks",
"Slider"
] | [
"chrome",
"ios",
"lastpass",
"minecraft",
"This Week in Security"
] | Modded
Minecraft
is having a security moment
, to match what we’ve seen in the Python and JavaScript repositories over the last few months. It looks like things started when
a handful of burner accounts uploaded malicious mods
to Curseforge and Bukkit. Those mods looked interesting enough, that a developer for Luna Pix... | 2 | 2 | [
{
"comment_id": "6651876",
"author": "Chip Master",
"timestamp": "2023-06-11T17:35:35",
"content": "@jonathan, a typo in “lastpass updates”? “…haching function…”? ::raises eyebrow:: I find it sad there is sooo little discussion on this column. But then I guess we may all get tired of the “more bad n... | 1,760,372,272.794402 | ||
https://hackaday.com/2023/06/09/they-used-to-be-a-big-shot-now-eagle-is-no-more/ | They Used To Be A Big Shot, Now Eagle Is No More | Jenny List | [
"Featured",
"News",
"Rants",
"Slider",
"Software Hacks"
] | [
"AutoCAD",
"eagle",
"Eagle PCB",
"eda",
"pcb"
] | There once was a time when to make a PCB in our community was to use CadSoft EAGLE, a PCB design package which neatly filled the entry level of that category with a free version for non-commercial designs. Upgrading it to the commercial version was fairly inexpensive, and indeed that was a path which quite a few design... | 246 | 50 | [
{
"comment_id": "6651167",
"author": "fonz",
"timestamp": "2023-06-09T11:09:58",
"content": "why not kicad?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6651174",
"author": "C. Scott Ananian",
"timestamp": "2023-06-09T11:33:01",
"co... | 1,760,372,273.084693 | ||
https://hackaday.com/2023/06/09/gesture-sensor-teardown-reveals-intel-heritage/ | Gesture Sensor Teardown Reveals Intel Heritage | Al Williams | [
"Teardown"
] | [
"intel",
"Intel RealSense",
"motion sensing"
] | A few years ago, there was a rush of products on the market to detect motion. The idea being you could interact with your computer like they do on science fiction movies, with giant expressive hand motions in the air. Most of these were aimed at desktop computer users but one company, YouSpace, wanted to bring this tec... | 5 | 4 | [
{
"comment_id": "6651143",
"author": "Upgrade pi-top [3]",
"timestamp": "2023-06-09T09:09:33",
"content": "Maybe it would be possible to refactor ethz-asl’s SL_Sensor repo on Github to accommodate the YouSpace Total Experience Kit?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,372,273.166491 | ||
https://hackaday.com/2023/06/06/retropie-without-the-pi/ | RetroPie, Without The Pi | Bryan Cockfield | [
"Games"
] | [
"android",
"arm",
"emulator",
"linux",
"raspberry pi",
"retro pie",
"SBC",
"television",
"tv"
] | The smart television is an interesting idea in theory. Rather than having the cable or satellite company control all of the content, a small computer is included in the television itself to host and control various streaming clients and other services. Assuming you have control of the software running on the computer, ... | 24 | 9 | [
{
"comment_id": "6650418",
"author": "Jonathan Bennett",
"timestamp": "2023-06-07T02:21:23",
"content": "I’ve said for a while that the world needs a FOSS project for firmware for these various TV models, like what OpenWRT does for routers. So many smart TVs have such terrible firmware, a community ... | 1,760,372,273.334878 | ||
https://hackaday.com/2023/06/06/reverse-engineering-a-better-nights-sleep/ | Reverse Engineering A Better Night’s Sleep | Dan Maloney | [
"home hacks",
"Reverse Engineering"
] | [
"ISM",
"packet",
"PSK",
"remote",
"reverse engineering",
"salae",
"SI4431",
"spi",
"Tempur-Pedic"
] | All you want is a decent night’s sleep, so you decide to invest in one of those fancy adjustable beds. At first, it’s fine — being able to adjust the mattress to your needs on the fly is a joy, and yet…something isn’t quite right. Something nags at you every night, thwarting your slumber and turning your dreams of peac... | 8 | 4 | [
{
"comment_id": "6650408",
"author": "Andrew",
"timestamp": "2023-06-06T23:50:27",
"content": "This is going to happen more and more. Bit rot seeping in from the virtual world to the real one.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650445",
... | 1,760,372,273.27339 | ||
https://hackaday.com/2023/06/06/a-lightweight-smart-home-server/ | A Lightweight Smart Home Server | Bryan Cockfield | [
"home hacks"
] | [
"automation",
"Dirigera",
"ikea",
"lua",
"mako",
"openhab",
"rasberry pi",
"raspbee",
"smart home",
"web server",
"zigbee"
] | Working towards automating a few things in a home often seems simple on the surface, but it’s easy for these projects to snowball into dozens of sensors and various servos, switches, and cameras strewn about one’s living space. The same sort of feature creep sneaks into some of the more popular self-hosted home server ... | 31 | 15 | [
{
"comment_id": "6650364",
"author": "fiddlingjunky",
"timestamp": "2023-06-06T20:36:20",
"content": "Interesting idea! I have to admit that HA has annoyed me for a while, it’s just so heavy for what it does, and I don’t like running it in a VM with half of my Pi’s resources (the only reasonable way... | 1,760,372,273.231001 | ||
https://hackaday.com/2023/06/06/op-amp-contest-this-lighthouse-sculpture-flickers-in-the-rhythm-of-chaos/ | Op Amp Contest: This Lighthouse Sculpture Flickers In The Rhythm Of Chaos | Robin Kearey | [
"Art",
"LED Hacks"
] | [
"chaos theory",
"chua circuit",
"Circuit Sculpture",
"lighthouse",
"lm358"
] | Op amps are typically used to build signal processing circuits like amplifiers, integrators and oscillators. Their functionality can be described by mathematical formulas that have a single, well-defined solution. However, not every circuit is so well-behaved, as Leon Chua famously showed in the early 1980s: if you mak... | 7 | 2 | [
{
"comment_id": "6650401",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-06-06T23:22:20",
"content": "Oh! That’s a capital L and a capital I in the Title!At first my mind kerned them into a capital U!",
"parent_id": null,
"depth": 1,
"replies": [
{
"co... | 1,760,372,273.400452 | ||
https://hackaday.com/2023/06/06/know-audio-distortion-part-one/ | Know Audio: Distortion Part One | Jenny List | [
"digital audio hacks",
"Hackaday Columns",
"home entertainment hacks"
] | [
"audio",
"audio analyser",
"distortion",
"know audio",
"THD"
] | If you follow audiophile reviewers, you’ll know that their stock-in trade is a very fancy way of saying absolutely nothing of quantifiable substance about the subject while sounding knowledgeable about imagined differences between devices that are all of superlative quality anyway. If you follow us, we’ll tell you that... | 28 | 14 | [
{
"comment_id": "6650320",
"author": "Ian P",
"timestamp": "2023-06-06T17:22:39",
"content": "I take issue with your comment:“..the only reviews that matter are real-world measurements of audio performance, and blind listening tests.”As my hearing has degraded over the years, I find I can enjoy musi... | 1,760,372,273.600648 | ||
https://hackaday.com/2023/06/06/souped-up-reflective-sensor-uses-itself-for-wireless-programming/ | Souped-Up Reflective Sensor Uses Itself For Wireless Programming | Dan Maloney | [
"Microcontrollers",
"Parts"
] | [
"ATtiny202",
"ATtiny212",
"OBP732",
"optics",
"photosensor",
"phototransistor",
"reflective",
"threshold",
"uart",
"wireless"
] | Proximity sensors are common enough in automation projects that we hardly give them a second thought — pick something with specs that match the job and move on. But they can be fussy to get adjusted just right, a job made more difficult if they’re located in some out-of-the-way corner.
But where lies a challenge, there... | 4 | 3 | [
{
"comment_id": "6650318",
"author": "Petter",
"timestamp": "2023-06-06T17:02:07",
"content": "Cool. I can’t help but wonder though, say you mounted this in the ceiling corner: is a wireless cable 25 cm away easier than having a 25cm longer cable?25m is most definitely easier.",
"parent_id": nul... | 1,760,372,273.438914 | ||
https://hackaday.com/2023/06/06/radio-apocalypse-hardening-am-radio-against-disasters/ | Radio Apocalypse: Hardening AM Radio Against Disasters | Dan Maloney | [
"Engineering",
"Featured",
"Original Art",
"Radio Hacks",
"Slider"
] | [
"am",
"backup",
"EAS",
"EBS",
"fema",
"hardened",
"IPAWS",
"primary entry point",
"Radio Apocalypse",
"survivability",
"transmitter"
] | If you’ve been car shopping lately, or even if you’ve just been paying attention to the news, you’ll probably be at least somewhat familiar with the kerfuffle over AM radio. The idea is that in these days of podcasts and streaming music, plain-old amplitude modulated radio is becoming increasingly irrelevant as a mediu... | 64 | 15 | [
{
"comment_id": "6650280",
"author": "fdp",
"timestamp": "2023-06-06T14:42:06",
"content": "Radio? That thing which forces you to listen to adverts about female yeast infection remedies, occasionally interrupted by “music” and bad news? No, thanks.9 years ago I’ve bought a used Miata with a broken e... | 1,760,372,273.714312 | ||
https://hackaday.com/2023/06/07/op-amp-challenge-virtual-ball-in-a-box-responds-to-your-motions/ | Op-Amp Challenge: Virtual Ball-in-a-Box Responds To Your Motions | Robin Kearey | [
"classic hacks",
"contests"
] | [
"accelerometer",
"analog computer",
"ball in box",
"miniature CRT",
"op amps",
"TL072"
] | With the incredible variety of projects submitted to our Op-Amp Contest, you’d almost forget that operational amplifiers were originally invented to perform mathematical
operations
, specifically inside analog computers. One popular “Hello World” kind of program for these computers is the “ball-in-a-box”, in which the ... | 5 | 2 | [
{
"comment_id": "6650620",
"author": "RW ver 0.0.3",
"timestamp": "2023-06-07T20:18:10",
"content": "I have wondered before if some digital systems wouldn’t be a hell of a lot simpler if the differentiation and integration modes of analog computing were remembered and op amps used for sensor pre-pro... | 1,760,372,273.759405 | ||
https://hackaday.com/2023/06/07/books-you-should-read-prototype-nation/ | Books You Should Read:Prototype Nation | Sonya Vasquez | [
"Hackaday Columns",
"Reviews",
"Slider"
] | [
"book",
"china",
"manufacturing",
"review"
] | Over the years, I’ve been curious to dig deeper into the world of the manufacturing in China. But what I’ve found is that Western anecdotes often felt surface-level, distanced, literally and figuratively from the people living there. Like many hackers in the west, the allure of low-volume custom PCBs and mechanical pro... | 24 | 9 | [
{
"comment_id": "6650573",
"author": "Vlasovec88",
"timestamp": "2023-06-07T17:10:53",
"content": "I’d say after 2020s semiconductor shortage this book aged like a fine milk.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650634",
"author": "chango"... | 1,760,372,273.822067 | ||
https://hackaday.com/2023/06/07/transform-an-original-xbox-controller-to-a-360-controller/ | Transform An Original Xbox Controller To A 360 Controller | Bryan Cockfield | [
"Xbox Hacks"
] | [
"360",
"controller",
"interface",
"modification",
"original",
"Teensy 4.1",
"upgrade",
"usb",
"xbox"
] | If you’re looking for a controller for your computer or mobile device, you could certainly do worse than one of the latest iterations of the Xbox pad. They might not be perfect, but they’re fairly well-made, not particularly expensive, use standard USB and Bluetooth interfaces, and even have decent support in the open-... | 5 | 4 | [
{
"comment_id": "6650590",
"author": "Foldi-One",
"timestamp": "2023-06-07T18:21:43",
"content": "As somebody with larger hands I get the appeal, the original Xbox controller actually felt nice to hold and easy to use. Where the other controllers out there, (especially at the time) are mostly from J... | 1,760,372,273.985955 | ||
https://hackaday.com/2023/06/07/the-integral-molten-salt-reactor-and-the-benefits-of-having-a-liquid-fission-reactor/ | The Integral Molten Salt Reactor And The Benefits Of Having A Liquid Fission Reactor | Maya Posch | [
"Science"
] | [
"energy production",
"molten salt reactor",
"nuclear fission"
] | Although to most the term ‘fission reactor’ brings to mind something close to the commonly operated light-water reactors (LWRs) which operate using plain water (H
2
O) as coolant and with sluggish, thermal neutrons, there are a dizzying number of other designs possible. Some of these have been in use for decades, like ... | 48 | 12 | [
{
"comment_id": "6650566",
"author": "Douglas Fletcher",
"timestamp": "2023-06-07T16:23:47",
"content": "Well done!I’ve been following the Gen IV nuclear technology for some time and this article is a good review. However, for anything to happen in California (where I live) the state needs to change... | 1,760,372,274.177197 | ||
https://hackaday.com/2023/06/07/billion-year-clock-is-lego-genius-or-madness/ | Billion Year Clock Is LEGO Genius Or Madness | Al Williams | [
"clock hacks"
] | [
"Clocks",
"lego"
] | If you are a fan of LEGO bricks or Rube Goldberg, you should have a look at [Brick Technology’s]
billion-year LEGO clock
. Obviously, it hasn’t been tested for a billion years, and we wonder if ABS would last that long, but the video below is still worth watching.
Even if you aren’t a LEGO fan, the demonstration of a p... | 24 | 12 | [
{
"comment_id": "6650514",
"author": "Paul LeBlanc",
"timestamp": "2023-06-07T11:55:34",
"content": "Oops – no leap years",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650522",
"author": "therafman",
"timestamp": "2023-06-07T12:25:07",
... | 1,760,372,274.045148 | ||
https://hackaday.com/2023/06/07/harvesting-rechargeable-batteries-from-single-use-devices/ | Harvesting Rechargeable Batteries From Single-Use Devices | Bryan Cockfield | [
"Battery Hacks"
] | [
"battery",
"cartridge",
"charging",
"lithium",
"rechargable",
"single use",
"vape"
] | The price of lithium batteries has plummeted in recent years as various manufacturers scale up production and other construction and process improvements are found. This is a good thing if you’re an EV manufacturer, but can be problematic if you’re managing something like a landfill and find that the price has fallen s... | 64 | 17 | [
{
"comment_id": "6650478",
"author": "Michal Lenc",
"timestamp": "2023-06-07T08:24:14",
"content": "Interesting. Doest this mean, that is cheaper to produce rechargable Li-ion battery than non-rechargable?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "66504... | 1,760,372,273.936659 | ||
https://hackaday.com/2023/06/06/hackaday-prize-2023-bluetooth-spell-to-speak/ | Hackaday Prize 2023: Bluetooth Spell To Speak | Matthew Carlson | [
"Medical Hacks",
"The Hackaday Prize"
] | [
"2023 Hackaday Prize",
"accessibility",
"bluetooth keyboard",
"capacitive sensing",
"ESP32",
"ESP32-S2"
] | Have you ever known what you wanted to say but couldn’t figure out exactly how to say it? For some individuals, that’s all the time. The gap between intention and action can be a massive chasm. [Pedro Martin] is trying to help bridge that gap
with a Bluetooth RPM letterboard
.
[Soma Mukhopadhyay] developed Rapid Prompt... | 1 | 1 | [
{
"comment_id": "6650526",
"author": "Bobtato",
"timestamp": "2023-06-07T12:43:21",
"content": "It’s great that makers are expanding the reach of assistive technologies, but it’s worth being cautious about any amateur medical intervention.Taking this as a case in point, RPM is controversial among pr... | 1,760,372,274.082939 | ||
https://hackaday.com/2023/06/08/tree-planting-festivals-air-cannons-self-burying-seeds-and-the-complexities-of-reforestation/ | Tree Planting Festivals, Air Cannons, Self-Burying Seeds, And The Complexities Of Reforestation | Maya Posch | [
"green hacks",
"Science"
] | [
"bioinspired",
"reforestation",
"seeding"
] | At first glance the problem of how to plant trees would seem to be a straightforward one: take a seed, jam it into the soil and let nature take its course. Or alternatively do much the same with a sapling that already got a start in a nice, comfortable greenhouse before leaving it to its own devices. To the average per... | 20 | 10 | [
{
"comment_id": "6650840",
"author": "Alphatek",
"timestamp": "2023-06-08T15:18:14",
"content": "Saplings can indeed have a hard life:https://www.forestryjournal.co.uk/news/23397975.a14-half-million-trees-die-alongside-road-project/",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,372,274.243819 | ||
https://hackaday.com/2023/06/08/contrary-view-chatbots-dont-help-programmers/ | Contrary View: Chatbots Don’t Help Programmers | Al Williams | [
"Artificial Intelligence",
"Software Development"
] | [
"artificial intelligence",
"chat bot",
"programming"
] | [Bertrand Meyer] is a decided contrarian in his views on AI and programming. In a recent
Communications of the ACM
blog post, he reveals that — unlike many others — he thinks AI in its current state
isn’t very useful for practical programming
. He was responding, in part, to another article from the ACM entitled “
The ... | 67 | 32 | [
{
"comment_id": "6650772",
"author": "michael",
"timestamp": "2023-06-08T11:27:28",
"content": "Programming and even electronic development with the helping hand of AI is… different. GPT is like the one colleague who has seen lots of the good, the bad and the ugly, making educated guesses sound like... | 1,760,372,274.402507 | ||
https://hackaday.com/2023/06/08/hacking-a-hyundai-ioniqs-infotainment-system-again-after-security-fixes/ | Hacking A Hyundai Ioniq’s Infotainment System Again After Security Fixes | Maya Posch | [
"car hacks"
] | [
"hyundai",
"infotainment"
] | These days modern cars are nothing if not a grouping of networked software held together by bits of hardware. This is reflected not only in the rapidly increasing number of ECUs, but also infotainment systems and all-glass cockpits. For better or worse, this offers many exciting hacking possibilities, which [greenluigi... | 15 | 6 | [
{
"comment_id": "6650788",
"author": "Auto Motive",
"timestamp": "2023-06-08T12:21:13",
"content": "I wonder who actually makes the IVI for Hyundai. Car manufacturers are most often merely integrators of components manufactured by Tier 1 suppliers. From earlier reports on Ioniq’s bead unit hacks it ... | 1,760,372,274.297459 | ||
https://hackaday.com/2023/06/07/royal-navy-tests-quantum-navigation/ | Royal Navy Tests Quantum Navigation | Al Williams | [
"Science"
] | [
"accelerometer",
"navigation",
"quantum"
] | GPS has changed the way we get around the globe. But if you command a warship, you must think about what you would do if an adversary destroyed or compromised your GPS system. The Royal Navy and Imperial College London think
a quantum navigation system
might be the answer.
Of course, Heisenberg says you can’t know your... | 33 | 12 | [
{
"comment_id": "6650716",
"author": "Bruce Perens",
"timestamp": "2023-06-08T05:09:09",
"content": "It would have made more sense if you explained this was a new wrinkle on “inertial navigation”, using those words.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,372,274.615363 | ||
https://hackaday.com/2023/06/07/well-documented-code-helps-revive-decades-old-commodore-project/ | Well Documented Code Helps Revive Decades-Old Commodore Project | Bryan Cockfield | [
"Retrocomputing"
] | [
"assembly",
"code",
"commenting",
"commodore",
"documentation",
"gaming",
"homebrew",
"retrocomputing",
"RPG"
] | In the 1980s, [Mike] was working on his own RPG for the Commodore 64, inspired by dungeon crawlers of the era like Ultima IV and Telengard, both some of his favorites. The mechanics and gameplay were fairly revolutionary for the time, and [Mike] wanted to develop some of these ideas, especially the idea of line-of-sigh... | 15 | 12 | [
{
"comment_id": "6650707",
"author": "Ed Kolis",
"timestamp": "2023-06-08T03:22:16",
"content": "Doctor is a time lord class and has a sonic screwdriver? Hmm…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650708",
"author": "gregg4",
"times... | 1,760,372,274.551581 | ||
https://hackaday.com/2023/06/07/plastic-welding-revisited/ | Plastic Welding Revisited | Al Williams | [
"Repair Hacks"
] | [
"nylon",
"plastic welding",
"repair",
"zip tie"
] | Last time we talked about a video that purported to do plastic welding, we mentioned that the process wasn’t really plastic welding as we understood it. Judging by the comments, many people agreed, but it was still an interesting technique. Now [Inventor 101] has a video about
plastic repair
that also talks about weldi... | 27 | 14 | [
{
"comment_id": "6650659",
"author": "Kiwinigma",
"timestamp": "2023-06-07T23:28:00",
"content": "This is fantastic, I learned so much! It’d be amazing if someone did an equivalent video of ways to fix fabric for people who can’t sew, or can only sew very basic.",
"parent_id": null,
"depth":... | 1,760,372,274.679399 | ||
https://hackaday.com/2023/06/07/moving-the-snail-mail-to-wifi/ | Moving The Snail Mail To WiFi | Matthew Carlson | [
"home hacks",
"Microcontrollers"
] | [
"ESP",
"esp8285",
"telegram"
] | [Zak] loves getting a notification on his phone when he gets physical mail. Enough to wire
his mailbox slot with an ESP8285 to send him alerts
. Previously, [Zak] used a
cellular-based solution
as the mailbox slot was not within WiFi range. However, the network provider for the A9G GPRS module decided to move to differ... | 22 | 10 | [
{
"comment_id": "6650615",
"author": "Mike",
"timestamp": "2023-06-07T20:10:15",
"content": "Could have saved more power by dropping the 74LVC1G98, using the switch to trigger the regulator through a resistor, and then a fet contrled by the micro to keep it on, and turn it off.",
"parent_id": nu... | 1,760,372,274.849007 | ||
https://hackaday.com/2023/06/06/that-handheld-386sx-gets-a-teardown/ | That Handheld 386SX Gets A Teardown | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"386",
"386sx",
"dos",
"windows 95"
] | A few weeks ago our community was abuzz with the news of a couple of new portable computers available through AliExpress. Their special feature was that they are brand new 2023-produced retrocomputers, one with an 8088, and the other with a 386SX. Curious to know more? [Yeo Kheng Meng] has one of the 386 machines,
and ... | 18 | 7 | [
{
"comment_id": "6650230",
"author": "Prfesser",
"timestamp": "2023-06-06T11:33:33",
"content": "Hmmm…maybe I should buy one. My first “IBM Compatible” in 1990 was a 386SX. 20 MB HDD, Hercules-compatible graphics, monochrome monitor, all for about $1200. About the same price as I paid in 1983 for a ... | 1,760,372,274.905888 | ||
https://hackaday.com/2023/06/06/want-lower-power-add-more-cores/ | Want Lower Power? Add More Cores! | Al Williams | [
"Microcontrollers"
] | [
"low power",
"microcontroller"
] | [Jacob Beningo] over at Embedded.com recently posted his thoughts on
how to do a low-power microcontroller design
. On the surface, some of his advice seems a little counter-intuitive. Even he admits, “…I’m suggesting adding more cores! I must be crazy!” There are a few tips, but the part he’s talking about is that you... | 35 | 8 | [
{
"comment_id": "6650196",
"author": "combinatorylogic",
"timestamp": "2023-06-06T08:04:25",
"content": "See Parallax Propeller – it was definitely a good idea.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650305",
"author": "Martin",
"tim... | 1,760,372,274.793415 | ||
https://hackaday.com/2023/06/05/linear-power-supplys-current-limiter-is-a-lesson-in-simplicity/ | Linear Power Supply’s Current Limiter Is A Lesson In Simplicity | Dan Maloney | [
"Parts"
] | [
"compensation",
"current limiter",
"LD1085",
"linear",
"mosfet",
"schottky",
"temperature coefficient"
] | Here at Hackaday we really like to feature projects that push the limits of what’s possible, or ones that feature some new and exciting technology that nobody has ever seen before. So what’s so exciting about
this single-voltage linear power supply
? Honestly, nothing — until you start looking at its thermally compensa... | 5 | 5 | [
{
"comment_id": "6650173",
"author": "Drone",
"timestamp": "2023-06-06T06:11:24",
"content": "Reading the schematic is rough and understanding the content creator presents its own challenges. But it is a nice effort in linear design. Please remove the YouTube distraction for clarity.I would have tak... | 1,760,372,274.721838 | ||
https://hackaday.com/2023/06/05/the-printing-of-pi/ | The Printing Of Pi | Al Williams | [
"Misc Hacks"
] | [
"Pi",
"piem"
] | It really isn’t necessary, but there is some geek cred to learning pi to some bizarre number of digits. One way to do that is via a piem — a mnemonic device that is easy to remember and gives you the digits. Don’t know any? [Roni Bandini] has you covered with the
PiemPi machine
. It prints a random piem on a thermal pr... | 15 | 7 | [
{
"comment_id": "6650138",
"author": "The Commenter Formerly Known As Ren",
"timestamp": "2023-06-06T03:05:58",
"content": "How I wish I could calculate pi",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6650149",
"author": "Cuagn",
"timestamp... | 1,760,372,274.957094 | ||
https://hackaday.com/2023/06/05/op-amp-contest-generate-spirograph-shapes-using-only-op-amps-and-math/ | Op Amp Contest: Generate Spirograph Shapes Using Only Op Amps And Math | Robin Kearey | [
"Art",
"Toy Hacks"
] | [
"epitrochoid",
"hypotrochoid",
"mcp6004",
"op amps",
"spirograph"
] | If you’re a child of the ’80s or ’90s, chances are you’ve spent hours tracing out intricate patterns using the pens and gears of a Spirograph kit. Simple as those parts may be, they’re actually a very clever technique for plotting mathematical functions called
hypotrochoids
and
epitrochoids
. [Craig] has spent some tim... | 13 | 8 | [
{
"comment_id": "6650123",
"author": "RW ver 0.0.3",
"timestamp": "2023-06-06T01:28:20",
"content": "I had that as a lab practical way back, following week we threw a z80 in the mix, vector graphics, wooooo.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "66501... | 1,760,372,275.667305 | ||
https://hackaday.com/2023/06/05/this-vending-machine-is-for-the-birds/ | This Vending Machine Is For The Birds | Al Williams | [
"Misc Hacks"
] | [
"555",
"bird feeder"
] | The early bird may get the worm, but [Stephen Chasey’s] birds only get to eat if they are smart. He’s created a
vending machine for bird feeding
. While this is a classic and simple exercise for a microcontroller, [Stephen’s] design is all op amps and 555 timers. The feeder comes on when it detects a warm body and wait... | 13 | 8 | [
{
"comment_id": "6650040",
"author": "Dan (No, the OTHER one)",
"timestamp": "2023-06-05T20:49:27",
"content": "Recycling for the Birds",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6650044",
"author": "Blue Footed Booby",
"timestamp": "2023-06-05T20:... | 1,760,372,275.004187 |
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