Debugging the Instant Macropad
Last time, I showed you how to throw together a few modules and make a working macropad that could act like a keyboard or a mouse. My prototype was very 
Hackaday
Debugging The Instant Macropad
Last time, I showed you how to throw together a few modules and make a working macropad that could act like a keyboard or a mouse. My prototype was...
Hackaday
Debugging The Instant Macropad
Last time, I showed you how to throw together a few modules and make a working macropad that could act like a keyboard or a mouse. My prototype was...
![image](https://hackaday.com/wp-content/uploads/2025/08/cerng15.jpg?w=800")
alt=""/>The Bendix G-15 refurbished by [David at Usagi Electric] is well known as the oldest digital computer in North America. The question [David] gets most is “what can you do 
![image](https://hackaday.com/wp-content/uploads/2017/11/radioapocalypse.jpg?w=800")
alt=""/>Even in the early days of the Cold War, it quickly became apparent that simply having hundreds or even thousands of nuclear weapons would never be a sufficient deterrent to ![image](https://hackaday.com/wp-content/uploads/2025/08/relay.png?w=800")
alt=""/>We often marvel at the many things a 555 can do. But [Zafer Yildiz] shows us that it can even take the place of a PCB. You’ll see what we 
![image](https://hackaday.com/wp-content/uploads/2025/08/freecad-opt-1920-16-9.png?w=800")
alt="telescope mount"/>Pointing at stars may seem easy on the surface—just mount a telescope to a tripod and you’re done, right? As anyone who’s spent time with a telescope can tell you, 
![image](https://hackaday.com/wp-content/uploads/2025/08/discrete-pll-featured.jpg?w=800")
alt=""/>When Hackaday runs a contest, we see all manner of clever projects. But inevitably there are some we don’t see, because their builders didn’t manage to get them finished in 
![image](https://hackaday.com/wp-content/uploads/2014/11/had-links-banner.jpg?w=800")
alt="Hackaday Links Column Banner"/>“Emergency Law Enforcement Officer Hologram program activated. Please state the nature of your criminal or civil emergency.” Taking a cue from Star Trek: Voyager, the Seoul Metropolitan Police Agency is 
![image](https://hackaday.com/wp-content/uploads/2025/08/Screenshot-2025-08-23-4.19.51-PM-16-9.png?w=800")
alt="ESP32 bus pirate"/>Bus Pirate is nearly a household name in the hardware hacking world. The first version came out way back in 2008, and there have been several revisions since then. You 
![image](https://hackaday.com/wp-content/uploads/2025/08/fax.png?w=800")
alt=""/>Fax machines had a moment in the sun, but they are actually much older than you might expect. Before the consumer-grade fax machines arrived, there was a thriving market for 
![image](https://hackaday.com/wp-content/uploads/2025/08/ambidextrous_robot_hand.png?w=800"/>As)
difficult as it is for a human to learn ambidexterity, it’s quite easy to program into a humanoid robot. After all, a robot doesn’t need to overcome years of ![image](https://hackaday.com/wp-content/uploads/2025/08/neural-pong-main.png?w=800")
alt=""/>Although not the first video game ever produced, Pong was the first to achieve commercial success and has had a tremendous influence on our culture as a whole. In Pong’s 
![image](https://hackaday.com/wp-content/uploads/2025/08/32bit6502-featured.jpg?w=800")
alt=""/>In the beginning was the MOS6502, an 8-bit microprocessor that found its way into many famous machines. Some of you will know that a CMOS 6502 was created by the 
![image](https://hackaday.com/wp-content/uploads/2025/08/scope.png?w=800")
alt=""/>[Thomas] comes up with some unusual gear. In his latest teardown and repair video, he has a vintage 1943 Danish oscilloscope, a Radiometer OSG32 on the bench. It isn’t lightweight, 
![image](https://hackaday.com/wp-content/uploads/2025/08/ti_eprom_timeline_anders_nielsen_youtube.jpg?w=800")
alt=""/>It could be argued that erasable programmable ROMs (EPROMs) with their quaint UV-transparent windows are firmly obsolete today in an era of various flavors of EEPROMs. Yet many of these 
![image](https://hackaday.com/wp-content/uploads/2025/08/Running-AI-robotics-experiments-at-home-with-LeRobot-and-SO-ARM100-35-25-screenshot-banner.png?w=800")
alt=""/>Robotic arms have a lot in common with CNC machines in that they are usually driven by a fixed script of specific positions to move to, and actions to perform. 
![image](https://hackaday.com/wp-content/uploads/2025/08/esticky-e-paper-sticky-note-post-it-wide.jpg?w=800"/>E-paper)
screens have opened up a wide variety of novel use cases that just wouldn’t work with the higher power draw of an LCD. [gokux] thought it would be perfect 
![image](https://hackaday.com/wp-content/uploads/2020/01/ResistorColors.jpg?w=800")
alt=""/>Here at Hackaday HQ, we all have opinions about the way we like to do things. And no surprise, this extends to the way we like to lay out circuits 
![image](https://hackaday.com/wp-content/uploads/2025/08/pyrolysis.jpg?w=800")
alt="A photo montage of scrap plastic being vacuumed up, processed in the main chamber, and bottled in gas tanks."/>[naturejab] shows off his solar powered pyrolysis machine which can convert scrap plastic into fuel. According to the video, this is the world’s most complex hand-made pyrolysis reactor ever made. 
![image](https://hackaday.com/wp-content/uploads/2025/08/itx-llama-main.jpeg?w=735")
alt=""/>As the march of time continues on, it becomes harder and harder to play older video games on hardware. Part of this is because the original hardware itself wears out, 
![image](https://hackaday.com/wp-content/uploads/2025/08/zeusfilter-1200.jpg?w=800")
alt="Digital prototype of Zeusfilter 1.0"/>If you’ve ever lost gear to lightning or power spikes, you know what a pain they are. Out in rural Arkansas, where [vinthewrench] lives, the grid is more chaos than 