Dorji DRA818V VHF transmitter module shield for Arduino UNO & compatibles. This Arduino shield is intended to used as an APRS Transmitter module based on Arduino UNO (see my Arduino APRS GitHub page ...
This Arduino based Firmware can run on a ESP32-CAM module (with OV2640 sensor) that is connected to a SA818 2m Band transmitter, a DHT22 temperature and humidity sensor as well as a RS232 GPS module ...