Connects your EBUS network to WiFi network

EBUS to WiFi adapter module

Sold by Daniel Kucera's store


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Cables and adapters

ESP32-C3 based WiFi to EBUS adapter powered from EBUS.

For the newest version, please order from my worldwide distributor:

This product listing is only for reference and selling old stock. Please don't join the waitlist.

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.
v5.2 contains a trimmer to precisely adjust for your EBUS voltage levels,v6.0 can be adjusted via web configuration.

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.

30-day free return with full refund.

Links to code and documentation

Documentation (

Design Files (

Shipping policy

No information available.

The seller

Daniel Kucera's store

Trnava, Slovakia
378 orders since Jan 25, 2022