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Last Notes

2024-10-24 20:00:42

Simple PCB Repairs Keep Old Vehicle Out of the Crusher
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/10/ecu_fix.png?w=800" alt=""/>For those of us devoted to keeping an older vehicle on the road, the struggle is real. We know that at some point, a part will go bad and we’ll https://hackaday.com/2024/10/24/simple-pcb-repairs-keep-old-vehicle-out-of-the-crusher/
https://hackaday.com/2024/10/24/simple-pcb-repairs-keep-old-vehicle-out-of-the-crusher/

2024-10-22 05:00:05

Pac-Man Ghost Helps With Air Quality Sensing
<img width="800" height="600" src="https://hackaday.com/wp-content/uploads/2024/10/air-quality-main.jpg?w=800" alt=""/>In the past, building construction methods generally didn’t worry much about air quality. There were enough gaps around windows, doors, siding, and flooring that a house could naturally “breathe” and https://hackaday.com/2024/10/21/pac-man-ghost-helps-with-air-quality-sensing/
https://hackaday.com/2024/10/21/pac-man-ghost-helps-with-air-quality-sensing/

2024-10-19 17:00:37

A Robust Guide To The Xbox 360 Glitch Hack
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/10/ly33lcab4l10ezi7uwxcjouyzw8-e1729155562170.jpeg?w=800" alt=""/>The Xbox 360 was a difficult console to jailbreak. Microsoft didn’t want anyone running unsigned code, and darn if they didn’t make it difficult to do so. However, some nifty https://hackaday.com/2024/10/19/a-robust-guide-to-the-xbox-360-glitch-hack/
https://hackaday.com/2024/10/19/a-robust-guide-to-the-xbox-360-glitch-hack/

2024-10-18 14:00:38

This Week in Security: Quantum RSA Break, Out of Scope, and Spoofing Packets
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>Depending on who you ask, the big news this week is that quantum computing researchers out of China have broken RSA. And that’s true… sort of. There are multiple caveats, https://hackaday.com/2024/10/18/this-week-in-security-quantum-rsa-break-out-of-scope-and-spoofing-packets/
https://hackaday.com/2024/10/18/this-week-in-security-quantum-rsa-break-out-of-scope-and-spoofing-packets/

2024-10-10 02:00:11

On-Site Viral RNA Detection in Wastewater With Paper and Wax Microfluidics
<img width="800" height="287" src="https://hackaday.com/wp-content/uploads/2024/10/wastewater_viral_rna_detection_paper_strips.jpg?w=800" alt=""/>Wastewater sampling has become a popular way over the years to keep track of the health of a population, including human ones, as pathogens are often detectable in the effluence https://hackaday.com/2024/10/09/on-site-viral-rna-detection-in-wastewater-with-paper-and-wax-microfluidics/
https://hackaday.com/2024/10/09/on-site-viral-rna-detection-in-wastewater-with-paper-and-wax-microfluidics/

2024-10-09 23:00:56

3D Printed Bearings With Filament Rollers
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/10/3d-print-bearing-featured.jpg?w=800" alt=""/>Commodity bearings are a a boon for makers who to want something to rotate smoothly, but what if you don’t have one in a pinch? [Cliff] of might have the https://hackaday.com/2024/10/09/3d-printed-bearings-with-filament-rollers/
https://hackaday.com/2024/10/09/3d-printed-bearings-with-filament-rollers/

2024-10-07 23:00:07

The Piezoelectric Glitching Attack
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/10/piezo-glitch-featured.jpg?w=800" alt=""/>Many readers will be familiar with the idea of a glitching attack, introducing electrical noise into a computer circuit in the hope of disrupting program flow and causing unexpected behaviour https://hackaday.com/2024/10/07/the-piezoelectric-glitching-attack/
https://hackaday.com/2024/10/07/the-piezoelectric-glitching-attack/

2024-10-02 11:00:57

Creating Video Games With AI: a Mario Example
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2024/09/Screenshot-2024-09-30-202023-e1727691657905.png?w=800" alt=""/>Artificial intelligence (AI) seems to be doing everything these days. Making images, making videos, and replacing most of us real human writers if you believe the hype. Maybe it’s all https://hackaday.com/2024/10/02/creating-video-games-with-ai-a-mario-example/
https://hackaday.com/2024/10/02/creating-video-games-with-ai-a-mario-example/

2024-10-01 05:00:36

Ceefax: The Original News on Demand
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/09/ceefax.jpg?w=800" alt="Photo of Ceefax on a CRT television"/>Long before we had internet newsfeeds or Twitter, Ceefax delivered up-to-the-minute news right to your television screen. Launched by the BBC in 1974, Ceefax was the world’s first teletext service, https://hackaday.com/2024/09/30/ceefax-the-original-news-on-demand/
https://hackaday.com/2024/09/30/ceefax-the-original-news-on-demand/

2024-09-30 05:00:43

Shoot Smooth Video From Your Phone With the Syringe Slider
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/09/syringe-slider-1.png?w=800" alt=""/>We love the idea [Btoretsukuru] shared that uses a simple setup called the Syringe Slider to take smoothly-tracked video footage of small scenes like model trains in action. The post https://hackaday.com/2024/09/29/shoot-smooth-video-from-your-phone-with-the-syringe-slider/
https://hackaday.com/2024/09/29/shoot-smooth-video-from-your-phone-with-the-syringe-slider/

2024-09-28 08:00:03

See the Hands-on Details Behind Stunning Helmet Build
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/09/I-Built-Shattered-Space-Helmet-Starfield-11-25-screenshot.png?w=800" alt=""/>[Zibartas] recently created wearable helmets from the game Starfield that look fantastic, and we’re happy to see that he created a video showcasing the whole process of design, manufacture, and https://hackaday.com/2024/09/28/see-the-hands-on-details-behind-stunning-helmet-build/
https://hackaday.com/2024/09/28/see-the-hands-on-details-behind-stunning-helmet-build/

2024-09-25 14:01:28

Tech in Plain Sight: Zipper Bags
<img width="800" height="533" src="https://hackaday.com/wp-content/uploads/2024/09/DSCF5375_featured.png?w=800" alt=""/>You probably think of them as “Ziploc” bags, but, technically, the generic term is zipper bag. Everything from electronic components to coffee beans arrive in them. But they weren’t always https://hackaday.com/2024/09/25/tech-in-plain-sight-zipper-bags/
https://hackaday.com/2024/09/25/tech-in-plain-sight-zipper-bags/

2024-09-22 08:00:09

Where Did the Japanese Computers Go?
<img width="800" height="400" src="https://hackaday.com/wp-content/uploads/2024/09/pc98.png?w=800" alt=""/>If you are a retrocomputer person, at least in North America and Europe, you probably only have a hazy idea of what computers were in the Japanese market at the https://hackaday.com/2024/09/22/where-did-the-japanese-computers-go/
https://hackaday.com/2024/09/22/where-did-the-japanese-computers-go/

2024-09-19 23:00:39

Is That A Coaster? No, It’s An LED Matrix!
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/09/coaster.jpg?w=800" alt=""/>I’m sure you all love to see some colorful blinkenlights every now and then, and we are of course no exception. While these might look like coasters at a distance, https://hackaday.com/2024/09/19/is-that-a-coaster-no-its-an-led-matrix/
https://hackaday.com/2024/09/19/is-that-a-coaster-no-its-an-led-matrix/

2024-09-17 11:00:18

Apple May Break Into the Hearing Aid Industry
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/09/ear-pods-featured.jpg?w=800" alt=""/>When the entry of a tech giant such as Apple into a market represents its liberation from exploitation, that market must be really broken, yet the reported FDA approval of the https://hackaday.com/2024/09/17/apple-may-break-into-the-hearing-aid-industry/
https://hackaday.com/2024/09/17/apple-may-break-into-the-hearing-aid-industry/

2024-09-05 05:00:00

How Sony Mastered the Transistor
<img width="800" height="351" src="https://hackaday.com/wp-content/uploads/2024/09/tran.png?w=800" alt=""/>When you think of Sony, you probably think of a technology company that’s been around forever. However, as [Asianometry] points out, it really formed in the tough years after World https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/
https://hackaday.com/2024/09/04/how-sony-mastered-the-transistor/

2024-08-29 23:00:08

2024 Tiny Games Contest: Mini Cyclone Tests Reaction Time
<img width="800" height="479" src="https://hackaday.com/wp-content/uploads/2024/08/cyclone-800.jpg?w=800" alt="A mini Cyclone game consisting of an Arduino, an LED ring, and button, plus a scoreboard on a 16x2 LCD."/>Round and round goes the red LED, and if you can push the button when it overlaps the green LED, then you win. Cyclone is almost too simple of a https://hackaday.com/2024/08/29/2024-tiny-games-contest-mini-cyclone-tests-reaction-time/
https://hackaday.com/2024/08/29/2024-tiny-games-contest-mini-cyclone-tests-reaction-time/

2024-08-28 15:30:51

The Commodordion Gets a Big Usability Upgrade
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/08/The-Tenor-Commodordion-with-Ack-Varmeland-du-skona-0-53-screenshot.png?w=800" alt=""/>The chiptune scene is dominated by Game Boys and other Nintendo hardware, but one should never forget the gorgeous, beautiful tones that come from the hallowed Commodore 64. [Linus Åkesson] https://hackaday.com/2024/08/28/the-commodordion-gets-a-big-usability-upgrade/
https://hackaday.com/2024/08/28/the-commodordion-gets-a-big-usability-upgrade/

2024-08-21 23:00:44

Farewell Magnetic Stripe
<img width="800" height="519" src="https://hackaday.com/wp-content/uploads/2024/08/card.png?w=800" alt=""/>For decades, the magnetic stripe has been ubiquitous on everything from credit cards to tickets to ID badges. But the BBC reports — unsurprisingly — that the mag stripe’s days https://hackaday.com/2024/08/21/farewell-magnetic-stripe/
https://hackaday.com/2024/08/21/farewell-magnetic-stripe/

2024-08-21 14:00:56

Ask Hackaday: How Can We Leverage Tech for Education?
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2015/10/eggdrop.jpg?w=800" alt=""/>If you’re like us, you’ve studied the mathematician [Euler], but all you really remember is that you pronounce his name like “oiler” and not much else. [Welch Labs], on the https://hackaday.com/2024/08/21/ask-hackaday-how-can-we-leverage-tech-for-education/
https://hackaday.com/2024/08/21/ask-hackaday-how-can-we-leverage-tech-for-education/

2024-08-20 23:00:25

Are You Using Your Calipers Wrong?
<img width="800" height="421" src="https://hackaday.com/wp-content/uploads/2024/08/calip.png?w=800" alt=""/>It used to be that calipers were not a common item to have in an electronics lab. However, smaller parts, the widespread use of 3D printers and machining tools, and https://hackaday.com/2024/08/20/are-you-using-your-calipers-wrong/
https://hackaday.com/2024/08/20/are-you-using-your-calipers-wrong/

2024-08-20 14:00:31

Australia Didn’t Invent WiFi, Despite What You’ve Heard
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2024/08/WifiAustralia.jpg?w=800" alt=""/>Wireless networking is all-pervasive in our modern lives. Wi-Fi technology lives in our smartphones, our laptops, and even our watches. Internet is available to be plucked out of the air https://hackaday.com/2024/08/20/australia-didnt-invent-wifi-despite-what-youve-heard/
https://hackaday.com/2024/08/20/australia-didnt-invent-wifi-despite-what-youve-heard/

2024-08-19 20:00:41

Cost-Optimized Raspberry Pi 5 Released With 2 GB RAM and D0 Stepping
<img width="800" height="600" src="https://hackaday.com/wp-content/uploads/2024/08/Pi-5-2GB-social-no-text-800x600-1.jpg?w=800" alt=""/>When the Raspberry Pi 5 SBC was released last year, it came in 4 and 8 GB RAM variants, which currently retail from around $80 USD and €90 for the https://hackaday.com/2024/08/19/cost-optimized-raspberry-pi-5-released-with-2-gb-ram-and-d0-stepping/
https://hackaday.com/2024/08/19/cost-optimized-raspberry-pi-5-released-with-2-gb-ram-and-d0-stepping/

2024-08-19 15:30:14

Get More Freedom With This Guitar Pedal
<img width="800" height="514" src="https://hackaday.com/wp-content/uploads/2024/08/pedal-main.png?w=800" alt=""/>When the electric guitar was first produced in the 1930s, there was some skepticism among musicians as to whether or not this instrument would have lasting impact or be a https://hackaday.com/2024/08/19/get-more-freedom-with-this-guitar-pedal/
https://hackaday.com/2024/08/19/get-more-freedom-with-this-guitar-pedal/

2024-08-16 02:00:57

Make a Catch With a 3D Printed Rod
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/08/tiny-rod-featured.jpg?w=800" alt=""/>When we think of fishing rods, the image brought to mind is one of a tweed-clad fisherman in his waders in a wild salmon stream, his line whipping about as https://hackaday.com/2024/08/15/make-a-catch-with-a-3d-printed-rod/
https://hackaday.com/2024/08/15/make-a-catch-with-a-3d-printed-rod/

2024-08-15 18:00:00

Edge-Lit, Thin LCD TVs Are Having Early Heat Death Issues
<img width="800" height="322" src="https://hackaday.com/wp-content/uploads/2024/08/edge_vs_direct-lit_tv_thermal_comparison_rtings.jpg?w=800" alt=""/>Canadian consumer goods testing site RTINGS has been subjecting 100 TVs to an accelerated TV longevity test, subjecting them so far to over 10,000 hours of on-time, equaling about six https://hackaday.com/2024/08/15/edge-lit-thin-lcd-tvs-are-having-early-heat-death-issues/
https://hackaday.com/2024/08/15/edge-lit-thin-lcd-tvs-are-having-early-heat-death-issues/

2024-08-14 18:30:23

FLOSS Weekly Episode 796: Homebrew, I’m More of a Whopper Guy
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2021/06/Pipewire.jpg?w=800" alt=""/>This week Jonathan Bennett and David Ruggles chat with John Britton and Mike McQuaid about Homebrew! That’s the missing package manager for macOS; and Workbrew, the commercial offering built on https://hackaday.com/2024/08/14/floss-weekly-episode-796-homebrew-im-more-of-a-whopper-guy/
https://hackaday.com/2024/08/14/floss-weekly-episode-796-homebrew-im-more-of-a-whopper-guy/

2024-08-14 15:30:46

A Really Low Level Guide To Doing Ethernet on an FPGA
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/08/How-To-Do-Ethernet-in-FPGA-Easy-Tutorial-1-24-screenshot.png?w=800" alt=""/>With so much of our day-to-day networking done wirelessly these days, it can be easy to forget about Ethernet. But it’s a useful standard and can be a great way https://hackaday.com/2024/08/14/a-really-low-level-guide-to-doing-ethernet-on-an-fpga/
https://hackaday.com/2024/08/14/a-really-low-level-guide-to-doing-ethernet-on-an-fpga/

2024-08-14 02:00:40

Possible Discovery of Liquid Water In Mars’ Mid-Crust by the Insight Lander
<img width="800" height="528" src="https://hackaday.com/wp-content/uploads/2024/03/1200px-PIA17944-MarsCuriosityRover-AfterCrossingDingoGapSanddune-20140209.jpg?w=800" alt=""/>One of the most sought after substances in the Universe is water – especially in its liquid form – as its presence on a planet makes the presence of life https://hackaday.com/2024/08/13/possible-discovery-of-liquid-water-in-mars-mid-crust-by-the-insight-lander/
https://hackaday.com/2024/08/13/possible-discovery-of-liquid-water-in-mars-mid-crust-by-the-insight-lander/

2024-08-12 08:00:29

Pi Pico SDR on a Breadboard
<img width="800" height="496" src="https://hackaday.com/wp-content/uploads/2024/08/sdr.png?w=800" alt=""/>How hard is it to make a fully standalone SDR? [101 Things] shows you how to take a breadboard, a PI Pico, and two unremarkable chips to create a capable https://hackaday.com/2024/08/12/pi-pico-sdr-on-a-breadboard/
https://hackaday.com/2024/08/12/pi-pico-sdr-on-a-breadboard/

2024-08-12 05:00:18

2024 Tiny Games Contest: Are You a Good Judge of Time?
<img width="800" height="471" src="https://hackaday.com/wp-content/uploads/2024/08/magiclick-800.jpg?w=800" alt="A single-key macro pad with a screen built into the button."/>What can you do with a one-button keyboard? Quite a bit, actually, especially if that key has a little screen on it. That’s the idea behind [Maker M0]’s MagicClick macro https://hackaday.com/2024/08/11/2024-tiny-games-contest-are-you-a-good-judge-of-time/
https://hackaday.com/2024/08/11/2024-tiny-games-contest-are-you-a-good-judge-of-time/

2024-08-10 23:00:18

Robot Arm Gives Kids the Roller Coaster Ride of their Lives
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/08/coaster_sim.png?w=800" alt=""/>Unfortunately, [Dave Niewinski]’s kids are still too little to go on a real roller coaster. But they’re certainly big enough to be tossed around by this giant robot arm roller https://hackaday.com/2024/08/10/robot-arm-gives-kids-the-roller-coaster-ride-of-their-lives/
https://hackaday.com/2024/08/10/robot-arm-gives-kids-the-roller-coaster-ride-of-their-lives/

2024-08-09 16:30:38

Hackaday Podcast Episode 283: Blinding Lasers, LEDs, and ETs
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800" alt=""/>Hackaday Editors Elliot Williams and Al Williams reflect on the fact that, as humans, we have–at most–two eyes and no warp drives. While hacking might not be the world’s most https://hackaday.com/2024/08/09/hackaday-podcast-episode-283-blinding-lasers-leds-and-ets/
https://hackaday.com/2024/08/09/hackaday-podcast-episode-283-blinding-lasers-leds-and-ets/

2024-08-08 16:30:00

A Smart LED Dice Box Thanks To The Internet of Things
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/08/Dice-Tower-Effect-Menu-Demo-1-46-screenshot-1.png?w=800" alt=""/>If there’s one thing humans love, it’s dancing with chance. To that end, [Jonathan] whipped up a fun dice box, connecting it to the Internet of Things for additional functionality. https://hackaday.com/2024/08/08/a-smart-led-dice-box-thanks-to-the-internet-of-things/
https://hackaday.com/2024/08/08/a-smart-led-dice-box-thanks-to-the-internet-of-things/

2024-08-08 15:15:54

Raspberry Has a New Pico, Built with the New RP2350
<img width="800" height="533" src="https://hackaday.com/wp-content/uploads/2024/08/pico2_1.webp?w=800" alt=""/>Raspberry Pi’s first foray into the world of microcontrollers, the RP2040, was a very interesting chip. Its standout features were the programmable input/output units (PIOs) which enabled all sorts of https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/
https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/

2024-08-08 11:00:00

Magnesium and Copper Makes an Emergency Flashlight
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2024/08/FYQRX1TLZH07GHK-e1723101403168.webp?w=800" alt=""/>Many of us store a flashlight around the house for use in emergency situations. Usually, regular alkaline batteries are fine for this task, as they’ll last a good few years, https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/
https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/

2024-08-08 08:15:27

Tulip is a Micropython Synth Workstation, in an ESP32
<img width="800" height="400" src="https://hackaday.com/wp-content/uploads/2024/08/tulip_hero.jpg?w=800" alt=""/>We’re not sure exactly what Tulip is, because it’s so many things all at once. It’s a music-making environment that’s programmable in Python, runs on your big computer or on https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/
https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/

2024-07-25 23:00:26

Cutting An IoT Fan Free Of The Cloud
<img width="800" height="448" src="https://hackaday.com/wp-content/uploads/2024/07/dreo_fan_eab996-e1721895450359.jpg?w=800" alt=""/>The cloud is supposed to make everything better. You can control things remotely, with the aid of a benevolent corporation and their totally friendly servers. However, you might not like those servers, https://hackaday.com/2024/07/25/cutting-an-iot-fan-free-of-the-cloud/
https://hackaday.com/2024/07/25/cutting-an-iot-fan-free-of-the-cloud/

2024-02-10 21:00:24

Pi 5 and SDR Team Up for a Digital Scanner You Can Actually Afford
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2024/02/sdr_pi.png?w=800" alt=""/>Listening to police and fire calls used to be a pretty simple proposition: buy a scanner, punch in some frequencies — or if you’re old enough, buy the right crystals https://hackaday.com/2024/02/10/pi-5-and-sdr-team-up-for-a-digital-scanner-you-can-actually-afford/
https://hackaday.com/2024/02/10/pi-5-and-sdr-team-up-for-a-digital-scanner-you-can-actually-afford/

2024-01-23 06:00:06

Writing And Running Atari 2600 Games In Your Browser
<img width="800" height="309" src="https://hackaday.com/wp-content/uploads/2024/01/atari_emscripting_ide_javatari.jpg?w=800" alt=""/>Here in 2024, writing new games for the venerable Atari 2600 game console is easier than ever, with plenty of emulators and toolchains to convert your code into ready-to-load ROMs. https://hackaday.com/2024/01/22/writing-and-running-atari-2600-games-in-your-browser/
https://hackaday.com/2024/01/22/writing-and-running-atari-2600-games-in-your-browser/

2024-01-19 15:00:02

This Week in Security: Gitlab, VMware, and PixeFAIL
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>There’s a Gitlab vulnerability that you should probably pay attention to. Tracked as CVE-2023-7028, this issue allows an attacker to specify a secondary email during a the password reset request. https://hackaday.com/2024/01/19/this-week-in-security-gitlab-vmware-and-pixefail/
https://hackaday.com/2024/01/19/this-week-in-security-gitlab-vmware-and-pixefail/

2024-01-15 18:00:59

USB-C PD: New Technology Done Right
<img width="800" height="464" src="https://hackaday.com/wp-content/uploads/2024/01/Hardware.jpg?w=800" alt=""/>There is a tendency as we get older, to retreat into an instinctive suspicion of anything new or associated with young people. All of us will know older people who https://hackaday.com/2024/01/15/usb-c-pd-new-technology-done-right/
https://hackaday.com/2024/01/15/usb-c-pd-new-technology-done-right/

2024-01-03 03:00:25

Saving An Expensive Sony HW65ES Projector With Some Fresh Chips
<img width="800" height="523" src="https://hackaday.com/wp-content/uploads/2023/12/hw65es.jpeg?w=800" alt=""/>When you’re the proud owner of a beast of a projector like the Sony HW65ES (£2800 in 2016), you are understandably upset when it stops working. In the case of https://hackaday.com/2024/01/02/saving-an-expensive-sony-hw65es-projector-with-some-fresh-chips/
https://hackaday.com/2024/01/02/saving-an-expensive-sony-hw65es-projector-with-some-fresh-chips/

2023-12-24 15:00:23

How Does a Sewing Machine Sew?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/12/sew.png?w=800" alt=""/>Like all Hackaday readers, we pride ourselves on having at least a passing acquaintance with how most things work. But we suspect to a lot of people, things we take https://hackaday.com/2023/12/24/how-does-a-sewing-machine-sew/
https://hackaday.com/2023/12/24/how-does-a-sewing-machine-sew/

2023-12-19 09:00:07

It’s An Audio Distortion Analyzer, Just Not The One You Were Hoping For
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/12/b-o-distortion-featured.jpg?w=800" alt=""/>An audio distortion analyzer is a specialist piece of analogue test equipment that usually costs a lot of money and can be hard to track down on the second hand https://hackaday.com/2023/12/19/its-an-audio-distortion-analyzer-just-not-the-one-you-were-hoping-for/
https://hackaday.com/2023/12/19/its-an-audio-distortion-analyzer-just-not-the-one-you-were-hoping-for/

2023-12-01 21:00:00

Radio Emissions Over Sunspots Challenge Models of Stellar Magnetism
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/11/njit-scientists-uncove-Featured.jpg?w=800" alt=""/>Sustained radio emissions originating from high over a sunspot are getting researchers thinking in new directions. Unlike solar radio bursts — which typically last only minutes or hours — these https://hackaday.com/2023/12/01/radio-emissions-over-sunspots-challenge-models-of-stellar-magnetism/
https://hackaday.com/2023/12/01/radio-emissions-over-sunspots-challenge-models-of-stellar-magnetism/

2023-11-28 12:00:08

Bowling With Strings Attached: the People Are Split
<img width="800" height="483" src="https://hackaday.com/wp-content/uploads/2023/11/bowling-800.webp?w=800" alt=""/>There’s a bowling revolution in play, and not all bowlers are willing participants. In fact, a few are on strike, and it’s all because bowling alleys across America are getting https://hackaday.com/2023/11/28/bowling-with-strings-attached-the-people-are-split/
https://hackaday.com/2023/11/28/bowling-with-strings-attached-the-people-are-split/

2023-11-24 12:00:00

A Toe-Tappin’ Set of Morse Code Pedals
<img width="800" height="482" src="https://hackaday.com/wp-content/uploads/2023/11/morse-code-pedals-main.jpg?w=800" alt=""/>What’s the worst thing about traditional Morse keyers? If you ask us, it’s the fact that you have to learn how to do two distinct things with one hand, and https://hackaday.com/2023/11/24/a-toe-tappin-set-of-morse-code-pedals/
https://hackaday.com/2023/11/24/a-toe-tappin-set-of-morse-code-pedals/

2023-11-16 19:30:08

Umbrella Antenna Protects You from Rain, but Not the Way You Think
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/11/umbrella_sat.png?w=800" alt=""/>You never know when you’ll be called upon to [MacGyver] your way out of an emergency. We can’t imagine what kind of situation would call for whipping up a satellite https://hackaday.com/2023/11/16/umbrella-antenna-protects-you-from-rain-but-not-the-way-you-think/
https://hackaday.com/2023/11/16/umbrella-antenna-protects-you-from-rain-but-not-the-way-you-think/

2023-11-16 00:00:09

After MEMS Microphones, MEMS Speakers Enter The Market
<img width="800" height="533" src="https://hackaday.com/wp-content/uploads/2023/11/Cowell-Tweeter.jpg?w=800"/>These days it’s hard to not come across solid-state (micro-electromechanical systems, MEMS) microphones, as they are now displacing electret microphones almost everywhere due to their small size and low cost. https://hackaday.com/2023/11/15/after-mems-microphones-mems-speakers-enter-the-market/
https://hackaday.com/2023/11/15/after-mems-microphones-mems-speakers-enter-the-market/

2023-10-08 05:00:44

Designing a Macintosh-to-VGA Adapter With an LM1881
<img width="800" height="600" src="https://hackaday.com/wp-content/uploads/2023/10/IMG_3716-900x675-1.jpg?w=800" alt=""/>If you’re the happy owner of a vintage Apple system like a 1989 Macintosh IIci you may know the pain of keeping working monitors around. Unless it’s a genuine Apple-approved https://hackaday.com/2023/10/07/designing-a-macintosh-to-vga-adapter-with-an-lm1881/
https://hackaday.com/2023/10/07/designing-a-macintosh-to-vga-adapter-with-an-lm1881/

2023-10-04 15:00:00

Autonomous Wheelchair Lets Jetson Do the Driving
<img width="800" height="452" src="https://hackaday.com/wp-content/uploads/2023/10/autochair_feat.jpg?w=800" alt=""/>Compared to their manual counterparts, electric wheelchairs are far less demanding to operate, as the user doesn’t need to have upper body strength normally required to turn the wheels. But https://hackaday.com/2023/10/04/autonomous-wheelchair-lets-jetson-do-the-driving/
https://hackaday.com/2023/10/04/autonomous-wheelchair-lets-jetson-do-the-driving/

2023-09-23 20:00:01

Reviving an Old Lime-E Beta Rideshare E-Bicycle
<img width="800" height="502" src="https://hackaday.com/wp-content/uploads/2023/09/lime_new_old_bike.jpg?w=800" alt=""/>What do you do when you come across a cheap electric bicycle on Facebook Marketplace from a seller who has a few hundred of the same ones available? If you’re https://hackaday.com/2023/09/23/reviving-an-old-lime-e-beta-rideshare-e-bicycle/
https://hackaday.com/2023/09/23/reviving-an-old-lime-e-beta-rideshare-e-bicycle/

2023-09-22 16:00:22

Hackaday Podcast 237: Dancing Raisins, Coding on Apples, and a Salad Spinner Mouse
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800" alt=""/>This week, Editor-in-Chief Elliot Williams and Kristina Panos gathered over the Internet and a couple cups of coffee to bring you the best hacks of the previous week. Well, the https://hackaday.com/2023/09/22/hackaday-podcast-237-dancing-raisins-coding-on-apples-and-a-salad-spinner-mouse/
https://hackaday.com/2023/09/22/hackaday-podcast-237-dancing-raisins-coding-on-apples-and-a-salad-spinner-mouse/

2023-09-20 08:00:10

Scaled-Up Matches Are Hilarious And Moderately Effective
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/09/Making-some-unusually-big-matches-to-see-if-they-work-4-35-screenshot.png?w=800" alt=""/>Regular matches are fine for lighting candles and the like, but they’re a bit small and fiddly to use. After seeing some giant prop matches used in a stage play, https://hackaday.com/2023/09/20/scaled-up-matches-are-hilarious-and-moderately-effective/
https://hackaday.com/2023/09/20/scaled-up-matches-are-hilarious-and-moderately-effective/

2023-09-19 05:00:49

Mobile Gopher Client Brings Fossil Wrist PDA Online
<img width="800" height="602" src="https://hackaday.com/wp-content/uploads/2023/09/Fossil-Wrist-Gopher-Client.jpg?w=800" alt="A Fossil Wrist PDA running the Overbite Gopher browser"/>Like many new technologies, smartwatches needed a few iterations before they became useful enough for the average person. Early examples were too clunky and limited to be of use to https://hackaday.com/2023/09/18/mobile-gopher-client-brings-fossil-wrist-pda-online/
https://hackaday.com/2023/09/18/mobile-gopher-client-brings-fossil-wrist-pda-online/

2023-09-16 05:00:11

Preserving Floppy Disks
<img width="800" height="585" src="https://hackaday.com/wp-content/uploads/2023/09/floppy-data-main.jpg?w=800" alt=""/>Time is almost up for magnetic storage from the 80s and 90s. Various physical limitations in storage methods from this era are conspiring to slowly degrade the data stored on https://hackaday.com/2023/09/15/preserving-floppy-disks/
https://hackaday.com/2023/09/15/preserving-floppy-disks/

2023-09-15 14:00:56

This Week in Security: Blastpass, MGM Heist, and Killer Themes
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>There’s yet another 0-day exploit chain discovered as part of NSO Group’s Pegasus malware suite. This one is known as BLASTPASS, and it’s a nasty one. There’s no user interaction https://hackaday.com/2023/09/15/this-week-in-security-blastpass-mgm-heist-and-killer-themes/
https://hackaday.com/2023/09/15/this-week-in-security-blastpass-mgm-heist-and-killer-themes/

2023-09-13 18:30:24

3D Printed RC Car is Geared For Speed
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/09/How-I-Made-a-3D-Printed-41-MPH-RC-Car-0-6-screenshot.png?w=800" alt=""/>You can always go out and buy an RC car off the shelf. However, it’s readily achievable to print your own design that has many of the features of off-the-shelf https://hackaday.com/2023/09/13/3d-printed-rc-car-is-geared-for-speed/
https://hackaday.com/2023/09/13/3d-printed-rc-car-is-geared-for-speed/

2023-09-11 14:00:09

Wi-Fi 7: The Next Big Leap Or A Whole Lotta Nothing?
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2023/09/WiFi7.jpg?w=800" alt=""/>For most people, the Wi-Fi hardware of today provides a perfectly satisfactory user experience. However, technology is ever-evolving, and as always, the next advancement is already around the corner. Enter https://hackaday.com/2023/09/11/wi-fi-7-the-next-big-leap-or-a-whole-lotta-nothing/
https://hackaday.com/2023/09/11/wi-fi-7-the-next-big-leap-or-a-whole-lotta-nothing/

2023-09-10 08:00:11

Pi Pico Becomes SRAM for 1981 Educational Computer
<img width="800" height="360" src="https://hackaday.com/wp-content/uploads/2023/09/PicoRAM-2090.jpg?w=800" alt="A Pi Pico on a breakout board inside a Busch 2090 educational computer"/>Ever since the Raspberry Pi Pico was introduced in early 2021 we’ve seen the tiny Pi being used for an astonishing variety of applications. It has powered countless clocks, gadgets, https://hackaday.com/2023/09/10/pi-pico-becomes-sram-for-1981-educational-computer/
https://hackaday.com/2023/09/10/pi-pico-becomes-sram-for-1981-educational-computer/

2023-09-08 20:00:14

Homebrew Linear Actuators Improved
<img width="800" height="250" src="https://hackaday.com/wp-content/uploads/2023/09/act.png?w=800" alt=""/>[Harrison Low] published some 3D-printed linear actuators, which generated a lot of interest. He got a lot of advice from people on the Internet, and he took it to heart. https://hackaday.com/2023/09/08/homebrew-linear-actuators-improved/
https://hackaday.com/2023/09/08/homebrew-linear-actuators-improved/

2023-09-03 11:00:18

Hackaday Prize 2023: Gen5X A Generatively Designed 5-Axis 3D Printer
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/08/4743521682764018382-featured.png?w=800" alt=""/>[Ric Real] is entering the 2023 Hackaday Prize with the Gen5X, a generatively designed 3D printed five-axis 3D printer. The concept is not a new one, with the type of https://hackaday.com/2023/09/03/hackaday-prize-2023-gen5x-a-generatively-designed-5-axis-3d-printer/
https://hackaday.com/2023/09/03/hackaday-prize-2023-gen5x-a-generatively-designed-5-axis-3d-printer/

2023-09-01 11:00:40

Re-Creating Pink Floyd In the Name of Speech
<img width="800" height="612" src="https://hackaday.com/wp-content/uploads/2023/08/aryo-yarahmadi-ylMP3TetKoQ-unsplash.jpg?w=800" alt=""/>For people who have lost the ability to speak, the future may include brain implants that bring that ability back. But could these brain implants also allow them to sing? https://hackaday.com/2023/09/01/re-creating-pink-floyd-in-the-name-of-speech/
https://hackaday.com/2023/09/01/re-creating-pink-floyd-in-the-name-of-speech/

2023-09-01 08:00:04

Big 3D Printed Hand Uses Big Servos, Naturally
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/08/You-wont-believe-what-this-3D-printed-hand-is-for-10-44-screenshot.png?w=800" alt=""/>[Ivan Miranda] isn’t afraid to dream big, and hopes to soon build a 3D printed giant robot he can ride around on. As the first step towards that goal, he’s https://hackaday.com/2023/09/01/big-3d-printed-hand-uses-big-servos-naturally/
https://hackaday.com/2023/09/01/big-3d-printed-hand-uses-big-servos-naturally/

2023-09-01 05:00:48

Super NES Cartridge Pulls a Sneaky, Plays Minecraft
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2023/08/FYAEKCSLLI154U9.jpg?w=800" alt=""/>Sometimes it’s the little touches and details that make a project. That’s certainly the case with [Franklinstein]’s Super Nintendo (SNES) Cartridge Hard Drive. It might only be an enclosure for a https://hackaday.com/2023/08/31/super-nes-cartridge-pulls-a-sneaky-plays-minecraft/
https://hackaday.com/2023/08/31/super-nes-cartridge-pulls-a-sneaky-plays-minecraft/

2023-09-01 02:00:33

Emulating x86 on Apple’s AARCH64 x64 Emulator
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2023/08/AppleARM.webp?w=800" alt=""/>You might know [Evan Martin] as the developer of retrowin32. It’s a Windows and x86 emulator designed to run on a Mac or on the web. He’s recently been exploring https://hackaday.com/2023/08/31/emulating-x86-on-apples-aarch64-x64-emulator/
https://hackaday.com/2023/08/31/emulating-x86-on-apples-aarch64-x64-emulator/

2023-08-31 14:00:32

Copper Be Gone: The Chemistry Behind PCB Etching
<img width="800" height="533" src="https://hackaday.com/wp-content/uploads/2023/08/dscf8748_featured.png?w=800" alt=""/>For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you https://hackaday.com/2023/08/31/copper-be-gone-the-chemistry-behind-pcb-etching/
https://hackaday.com/2023/08/31/copper-be-gone-the-chemistry-behind-pcb-etching/

2023-08-30 18:30:27

AI Assistant Translates Your Every Request For The Command Line
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/08/Untitled-e1693293517156.png?w=800" alt=""/>If you don’t live on the command line, it can be easy to forget the exact syntax of commands. It often leaves you running to the “/?” or “–help” switches, https://hackaday.com/2023/08/30/ai-assistant-translates-your-every-request-for-the-command-line/
https://hackaday.com/2023/08/30/ai-assistant-translates-your-every-request-for-the-command-line/

2023-08-21 14:00:09

The Clathrate Gun Hypothesis: Unearthing Puzzles of Warming Events Past
<img width="800" height="464" src="https://hackaday.com/wp-content/uploads/2020/02/PositiveFeedback.jpg?w=800" alt=""/>As the Earth continues to warm at a worrying rate, scientists continue to work to understand the processes and mechanisms at play. Amidst the myriad of climate-related theories and discussions, https://hackaday.com/2023/08/21/the-clathrate-gun-hypothesis-unearthing-puzzles-of-warming-events-past/
https://hackaday.com/2023/08/21/the-clathrate-gun-hypothesis-unearthing-puzzles-of-warming-events-past/

2023-08-20 05:00:19

Modeling A Guitar for Circuit Simulation
<img width="800" height="392" src="https://hackaday.com/wp-content/uploads/2023/08/equivalent-circuit-main.png?w=800" alt=""/>Guitar effects have come a long way from the jangly, unaltered sounds of the 1950s when rock and roll started picking up steam. Starting in large part with [Jimi Hendrix] https://hackaday.com/2023/08/19/modeling-a-guitar-for-circuit-simulation/
https://hackaday.com/2023/08/19/modeling-a-guitar-for-circuit-simulation/

2023-08-18 23:00:08

A 6502 Overlay Debugger
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/08/bug-feature.png?w=800" alt=""/>Retired hardware engineer [Plasmode] recently took on the challenge of building a debugger for the 6502 designed to sit atop the microprocessor while seated in a solder less breadboard. The https://hackaday.com/2023/08/18/a-6502-overlay-debugger/
https://hackaday.com/2023/08/18/a-6502-overlay-debugger/

2023-08-12 14:00:23

Blinded With Science
<img width="800" height="412" src="https://hackaday.com/wp-content/uploads/2017/07/current.jpg?w=800" alt=""/>So the room-temperature superconductor was a super disappointment, but even though the claims didn’t stand up in the end, the even better news is that real science was done. A https://hackaday.com/2023/08/12/blinded-with-science/
https://hackaday.com/2023/08/12/blinded-with-science/

2023-08-12 02:00:43

A Little Bit of Science History Repeating Itself: Boyle’s List
<img width="800" height="454" src="https://hackaday.com/wp-content/uploads/2023/08/boyle.png?w=800" alt=""/>In a recent blog post, [Benjamin Breen] makes an interesting case that 2023 might go down in history as the start of a scientific revolution, and that’s even if LK-99 https://hackaday.com/2023/08/11/a-little-bit-of-science-history-repeating-itself-boyles-list/
https://hackaday.com/2023/08/11/a-little-bit-of-science-history-repeating-itself-boyles-list/

2023-08-11 15:00:00

GrblHAL CNC Controller Based on RP2040 Pico
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2023/08/grbl-feature.png?w=800" alt=""/>[Phil Barrett] designed a new CNC controller breakout board called the PicoCNC which uses the Raspberry Pi Pico RP2040 module and grblHAL. It packs a bunch of features typical of https://hackaday.com/2023/08/11/grblhal-cnc-controller-based-on-rp2040-pico/
https://hackaday.com/2023/08/11/grblhal-cnc-controller-based-on-rp2040-pico/