Based on cheap standard ESP8266 (and ESP32) boards programmed in Arduino IDE 1+ year operation on 1200mAh or 18650 battery For-ever operation with a small solar panel (80x55mm) ESP-Now receiver ...
Arduino CLI is an all-in-one solution that provides Boards/Library Managers, sketch builder, board detection, uploader, and many other tools needed to use any Arduino compatible board and platform ...