Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

Order your pcb design at jlcpcb for $2 (24 hours turnaround time). This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder ...

Arguably, the ATmega328P is being left behind as ‘the Arduino processor’ because Arduino’s are following the rest of the world and going 32bit.

Using libraries from danjovic (https://hackaday.io/page/6947-digikeyboard-with-leds) to get the status of Caps Lock, allows user to call various macros by clicking ...

This is a basic firmware for the cheap USB relay boards that are sold on eBay and report themselves as being from www.dcttech.com. They're based on an Atmel ATtiny chip and run V-USB as the core of ...

When your GPU fan goes rogue with an unholy screech, you either shell out for a new one or you go full hacker mode. Well, [ashafq] did the latter. The result is a delightfully nerdy fan controller ...

Some guys build hot rods in their garage. Some guys overclock their PCs to ridiculously high clock frequencies (ahem… we might occasionally be guilty of this). [Nerd Ralph] decided to push an ...

Pre-College Summer Session provides high school students with the unique opportunity to take summer courses offered by Carnegie Mellon University for credit. Students earn college credit while working ...