8 channel GSM relay esp32 board – KC868-A8S
KC868-A8S esp32 board based on ESP32 wifi chip, many hardware resource for you to use. it support GSM module for SMS, voice call, GPRS communication. Use SMS or call to turn ON/OFF relay will be very easy for home automation DIY. You can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet RS485 module. We…