Esp8266-01 4 relay board

Based on the popular esp8266-01 module and arduino IDE,

The idea is to make a programmable platform using the 4 gpio's as digital output/Input.

The ESP8166 is comnected to for realys driven by bjt transistor.

The device can publish and subscribe to an MQTT broker to allow remote control of the module.

Async web server and async web socket have been implemented as device dashboard and AsyncElegantOTA to upload the firmware and the FS data folder.

A config.json file is stored in the data folder for the device parameter.

The web server html and css and js file are stored in the Data directory.

https://github.com/marcoHomeStudio/ESP8266_4Output-OTA-with-Arduino-IDE