Voltlog has designed an open-source hardware floor heating valve controller powered by an ESP32 WiFi module making it compatible with Tasmota open-source firmware, and by extension MQTT protocol and Home Assistant automation framework.
The board can control up to 10 valves triac controlled outputs and spring connectors for a floor home heating system, and also offers a one-wire srping connector, an I2C header, and safety features with two fuses, although it’s obviously not UL nor TUV certified.
The KiCad hardware designed files are available on Github, and Voltlog explains more about the hardware design, including why the isolated AC/DC transformer is weirdly installed, as well as the whole reasoning for his design choices and the software used.
The “Tasmota ESP32 Floor Heating Valve Controller” is available on Tindie for $109.99, but there seems to be only one in stock at this time.
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.