tom's Hardware on MSN

Playing Music On The Adafruit Macropad RP2040

We programmed the Adafruit RP2040 to play music when you hit the keys. It changes octaves when you rotate the rotary encoder.
XDA Developers on MSN

You, too, can build this gorgeous IV-3 VFD clock

This gorgeous DIY IV-3 VFD clock is shared with full build files on GitHub. Uses IV-3 VFDs for a blue-green glow at ~30V - cheaper and lower-voltage than nixies. Complete repo includes schematics, ...