Explore My Hobby Projects

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

Last Projects Recently added

MQTT OpenTherm Thermostat

by Ihor Melnyk

Posted on Saturday, September 1, 2018 at 12:00 AM 1503


MQTT Thermostat

MQTT Thermostat is based on OpenTherm Thermostat, OpenTherm Library and ESP8266 controller (WeMos D1 Mini). Can be used for remote heating system control via nodeRED, openHAB, Home Assistant and Android Tasker etc.

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OpenTherm Thermostat

by Ihor Melnyk

Posted on Tuesday, July 17, 2018 at 12:00 AM 4048


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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Arduino OpenTherm Controller

by Ihor Melnyk

Posted on Tuesday, January 31, 2017 at 12:00 AM 14839


OpenTherm Arduino Mega Shield

From my point of view, home central heating system is one of the first thing, that should be managed by home automation system. Which allows you to create comfortable climate in your home regardless the outdoor weather, decrease usage of gas or electricity, save your money, and control your home heating whether you're out or on the sofa via laptop, smartphone or tablet.

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ESP8266 Bedroom Climate Control

by Ihor Melnyk

Posted on Friday, April 29, 2016 at 12:00 AM 2857


Bedroom Climate Control

From my perspective bedroom is the most climate sensitive room, because healthy sleep is quite dependent on the bedroom environment. We spend around one third of our lives in bed so to make it more comfortable and to encourage deep and restful sleep I decided to build some monitoring and controlling device, which helps me to get right environment in bedroom without my continuous invasion.

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Arduino Home Automation

by Ihor Melnyk

Posted on Sunday, February 22, 2015 at 12:00 AM 5533


Arduino home automation

A few years ago my house was at the stage of laying electrical wiring, that was a good time to think about home automation and security system, which I really would like to have. The first reason, why did I need it, was that my house is located outside the city, therefore security system was a necessity. The second reason was that ready-made solutions always has some limitations and a small set of features. And the third reason was that electronics is my hobby and it was like a new challenge for me to design such system by myself.

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