Pipe local wireless noise through an SDR into an RPi, and 64 LED filaments do the rest Unless you live in a Faraday cage, you're surrounded at all times by invisible radio signals, from Bluetooth and ...
Over on YouTube [Kiss Analog] reviews the New Zoyi ZT-QB9 Smart Clamp meter. If you’re putting together an electronics lab from scratch you absolutely must get a multimeter to start. A typical ...