Arduino UNO + ESP-01

#1

so if you like to use ESP8266 ESP-01 board, then use JSON to transfer data between UNO and ESP8266, ESP8266 take status from UNO in JSON packets and publish them to gBridge MQTT.
demonstration: https://youtu.be/naSdcrKKYLY
source code: https://github.com/programmer131/esp8266_lights_demo_proteus

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