Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
See Wiki for more information.
See FAQ for common questions/answers and links if none of your question is in the list.
See Chat for more user experience.
See Community for forum.
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Is possible to use a knx coupler instead of knx ip? With wired bus is possible to integrate on existing wired knx. I find this project: http://www.intranet-of-things.com/smarthome/infrastructure/knx/arduino/