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Upcycled RC Car

“RC cars have always been a source of excitement for me. They’re fast, they’re fun, and you don’t have to worry if you crash them. Yet, as an older, more mature, RC enthusiast, I can’t be …

USB software security tool catches 26 bugs across operating systems

“EPFL researchers have developed a new tool called USBFuzz, which they have already used to detect 26 vulnerabilities in the USB driver stacks of widely used operating systems including Linux, Windows, and macOS. USB driver stacks are components that help …

VFD Serial Futaba M202SD01 Arduino

“Using an old VFD serial communication display for use with Arduino based microcontrollers. Story I remember back in 2018 that I got this screen (from an old guitar pedalboard) and didn’t know how to make it work. I was …

Vintage Rotary Phone Dial PC Volume Control

“If you’re anything like me, you find yourself changing the volume on your computer quite often. Some videos are louder than others, sometimes you want the volume muted on your computer while you listen to podcasts or music, and …

3D-Printed Electric Slide Switch (Using Only a Paperclip)

“I’ve dabbled in wiring together my own little electrical projects over the years, mostly in the form of paperclips, aluminum foil, and cardboard cobbled together with hot glue. I recently bought a 3D printer (the Creality Ender 3) and …

8GB Raspberry Pi 4 on sale now at $75

“Raspberry Pi 4 is almost a year old, and it’s been a busy year. We’ve sold nearly 3 million units, shipped a couple of minor board revisions, and reduced the price of the 2GB variant from $45 to …

A new library of atomically thin 2D materials

“NUS researchers have created a whole new library of atomically thin, two-dimensional (2D) materials using a novel and powerful approach of engineering the composition of transition metal dichalcogenides. Materials that are atomically thin offer a platform to explore a wide …

Analog 4-bit random number generator

“As previously reported, I’m on a slow track research project into randomness. Having explored the concept of random bits and built some experimental random electronics, I’m still progressing in my question to understand how randomness can be exploited …

Astronomers Discover New Class of Cosmic Explosions

“Astronomers have found two objects that, added to a strange object discovered in 2018, constitute a new class of cosmic explosions. The new type of explosion shares some characteristics with supernova explosions of massive stars and with the explosions that …

BBQ Thermostat

“A board-controlled temp probe and fan to maintain temperature during a long smoke or BBQ I’d like to make my own version of something like the CyberQ (https://www.bbqguru.com/storenav?CategoryId=1&ProductId=35). There are many …