Modbus module for ESPHome
New ESP32-C3 based version - more power at a lower cost !
Home Assistant ESPHome based modbus Development Board - integrating your modbus device into Home Assistant through WiFi.
The module comes pre-flashed with Nilan software as default, but can easily be flashed for other devices using USB and following the video guide on Git https://github.com/nic6911/ESP32_Modus_Module
With embedded ESP32-C3, USB-C connection and switch-mode buck converter you have the all-in-one solution to connect your modbus device to Home Assistant.
ESPHome code exists for Nilan ventilation, Wavin AHC9000 underfloor heating, Wavin Sentio underfloor heating, EM340 electricity meter and many more while it is possible to add almost any modbus device if you write some "simple" yaml code.
Documentation and video guides is found here on Git: https://github.com/nic6911/ESP32_Modus_Module
Connecting hardware like this is at your own risk ! You are interfacing with hardware that you can potentially damage if you do not connect things as required ! Using the hardware and code presented here is done at you own risk. The hardware and software has been tested on the devices listed above without issues.
You might also like