Do you have a separate arduino board for every thermostat ie.
Arduino multi room thermostat.
The thermostat exist already but they are.
I show even how i made mine permanent.
It looked at the temp of each room and open closed vents so each room can be at it s own temp worked with both heating and cooling using pid.
Just add a thermostat in the room s you want to control.
The diagram that i am going to show is based on my own arduino thermostat you will have to wire things up based on your own findings but i can help you do it if you contact me.
The code is well explained.
I builded this device because my kitchen was either to warm or to cold with a single thermostat in my living.
Arduino powered 3 zone thermostat.
Project describes basics of thermostat and its implementation with arduino and ethernet shield wiznet w5100.
More by the author.
Same way as the wiring the code will be slightly different for your arduino thermostat you will need to adapt it to your own needs.
Great your beginners to lear.
Also you can modify the code for a heater.
Room thermostat arduino ethernet project tutorial by martinius96.
In this project we ll use an arduino uno an lcd and a temperature sensor to control your air conditioning.
Arduino in room thermostat for multi zone hydronic boiler system.
But only to turn the electronic floor heating on or off depending on the thermostat setpoint in the current room.
Attiny84 boards with dual temp and dual servo control that linked to a arlcd in my hall.