4G ESP32 8CH relay module with manual buttons – A8S v2
KinCony A8S v2 esp32 board based on ESP32 wifi chip, it have manual control switch buttons can turn ON/OFF relay even if system is broken. Support POE module work without power supply. It support GSM module for SMS, voice call, GPRS communication for Tuya mobile application. Use SMS or call to turn ON/OFF relay will…