Multi Zone Wireless Thermostat

Main web: https://hackaday.io/project/19365-multi-zone-wireless-thermostat

Replace the bimetallic thermostat with a few microcontroller based thermostats to control the combi boiler.

Software requirements

• Arduino IDE
• Python

Required Libraries

• ESP8266WiFi https://github.com/ekstrand/ESP8266wifi
• Adafruit_MQTT https://github.com/adafruit/Adafruit_MQTT_Library
• Adafruit_Sensor https://github.com/adafruit/Adafruit_Sensor
• Adafruit_BMP280 https://github.com/adafruit/Adafruit_BMP280_Library
• Adafruit_BME280 https://github.com/adafruit/Adafruit_BME280_Library

Folders and Files

• RemoteUnit.c C code ready to use in the Arduino IDE to program the ESP8266
  • Reset to tag last_bmp280 for code with BMP280 support
• etc/openhab2 Contains my personal config (sitemap and items) for OpenHab2 (http://www.openhab.org/)
• controller Contains the scripts for the controller unit (RPi in my case)
  • boilerLogic.py Subscribe to temperatures and publishes to boiler topic. Implements the logic to turn on/off the boiler depending on temperatures, time and target.
  • xivelyFeeder.py (I'll not do any more work on this, I am not using it any more) Handy script to post MQTT topics to Xively (http://personal.xively.com)
  • carbonFeeder.py Handy script to post MQTT topics to Carbon for Grafana