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WEB MQTT – NodeMCU / ESP8266

The following video will shows how to control nodeMCU / ESP8266 with MQTT messages. In this first example I will control the builtin LED of the module with mqtt messages. The messages ar sent from the dashboard with buttons and a switch with pre-defined “on” and “off” messages. https://rundebugrepeat.com/webmqtt/ source code for the arduino code: