Circuit Digest

Build a Smart Traffic Management System Using IoT

The built-in web server, which is hosted on the ESP32, allows monitoring through any device connected to the local network, ...
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, ...