KC868-A2 esp32 4G relay board based on ESP32 wifi chip, many hardware resource for you to use. it support GSM module for SMS, voice call, GPRS communication. Support 4G SIM7600 module or 2G SIM800L module. 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 will supply demo code for different samples. Everyone can modify and change the code for your own smart home automation system project. it support use by ESPHome for home assistant or tasmota firmware for smart home automation DIY.
Product features: 1. hardware open source, install on DIN RAIL 2. Made for ESPHome work with home assistant 3. support arduino IDE / MicroPython / ESP-IDF program tool 4. support KinCony KCS firmware use by web service 5. support HTTP, MQTT, TCP, RS485 modbus protocol, Tuya app (need Tuya license)
