as i am now trust in Domoticz as a perfect System for Home Automation

There is a new Project which i want ti implement in two steps.
The Heating Control of my inWall Heater (like floorheating just vertical)
The initial installation was an wall thermostat (vry simple) you just set the temperature over a wheel and then the valve of the corresponding heat circuit open/closes.
In first step i just want to connect the wall thermostat and also the valves to domoticz over maybe raspberry and an input/output borad.
My Question is just if anybody knows how is this board called? e.g.: i want an analog input signal to be connected from the thermostat and then an relay output for the valves 230v.
Thank You for ideas

br
Jens