Tanaka Masayuki's PCMFlow722 library enables (half-duplex) two-way real-time HD voice over ESP-NOW on ESP32 boards with a speaker and a microphone, ...
The postage stamp-sized chip can store a hidden message that is only revealed when exterior humidity levels surpass 60 ...
TTVKTR open-source firmware converts old IR remote controls into presentation clickers through Raspberry Pi RP2040 USB boards ...