arduino-relay

KC868-A4 released! You can write any code by Arduino IDE

KC868-A4 smart controller , many hareware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth module. We will supply demo code for different samples. Everyone can modify and change the code for your own smart home automation system project. Here is resource list: WiFi/Bluetooth*1 RS232*1 Relay Output*4 Digital…