The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor magazine) ESP-NOW is Espressif’s own network protocol that uses the same underlying hardware as 2.4 GHz WiFi and Bluetooth ...

I decided to run a dedicated circuit breaker so that the microwave never flips a breaker if other devices are being used. This is a documentary of my process, if you're not comfortable doing DIY ...

In this three part video series we watch [Dirk Herrendoerfer] go from scraps to a nice 3D printed assembly as he iterates through the design of a pen plotter for making circuit boards.