Explore My Hobby Projects

Most of my projects are connected to DIY Electronics, Internet of Things and Programming.

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OpenTherm Thermostat

by Ihor Melnyk

Posted on Tuesday, July 17, 2018 at 12:00 AM, 79422 views

OpenTherm Thermostat

OpenTherm Thermostat is based on OpenTherm Adapter, OpenTherm Library and ESP8266 controller (WeMos D1 Mini). So you can control your boiler remotely over WiFi via your smartphone.
Using OpenTherm protocol you will be able to:

  • get boiler status
  • set water temperature
  • switch on/off central heating
  • switch on/off hot water
  • get gas modulation level
  • ...and many other commands supported by OpenTherm protocol
Remote control feature is very useful when you returning back home after some holiday or just weekens and you don't want to get into cold home, so you can set temperature on the way home.

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