MMM-OpenTherm

RedNax

Although i suspect not a lot of people will use this, i’ll share it anyway:

https://github.com/RedNax67/MMM-OpenTherm

For this to work you’ll need:

An OpenTherm controlled heating/cooling device An OpenTherm gateway http://otgw.tclcode.com/ The OpenTherm Monitor application running somewhere http://otgw.tclcode.com/otmonitor.html

NOTE: The otmonitor version hosted on the website doesn’t have the access-allow-origin-header so the browser running MM will probably reject the json response. Luckily the author also supplies the source and instructions on how to build/compile your own version.

I’ve compiled a (RpI) version of the otmonitor program with this header included. Anyone in need of if, please let me know.

The OpenTherm module displays:

Current roomtemperature
Room setpoint temperature
Outside temperature
Central heating pressure
Heating on/of
Hot water on/off
Alerts (Low pressure)

RedNax

Unfortunately can’t edit my FP…

Here’s a screenshot of teh module:

paviro

Why not use a node_helper.js to get around the access-allow-origin policy?