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Holiday Notice: Elecrow will be on holiday from May 1-4. You can still place orders during this time. PCB & PCBA orders will be processed from May 4th, and product orders will start shipping from May 5th. Enjoy the holidays!
ESP32-C3 based WiFi to EBUS adapter powered from EBUS.
No need for external power supply or optical isolation.
Just connect to your EBUS with 2 wires and you are done.
Unsecured AP will appear on first start to setup connection to WiFi network.
EBUS voltage level is set electronically from a web interface.
SW and Documentation
3D-printable case by Volkmar
Developed with Vaillant ecoTEC pro. Confirmed to be working with multiple types of Vaillant, Wolf, Ariston, Saunier Duval, Protherm and others.