arduino uno control fridge setting(1)

＊for this modification, there is risk for serious damage to your body electric shock from power supply(ac100v-240v depends upon your countriy) so all risk by yourself when you do.

to start with, check original wiring diagram from the back side of fridge.

and pick up required wires from connector.

wire color should be indicated in schematic diagram by good brand fridge.

Pcb connecting wirings are also need to isolated from defrost heater.

 *if the sensor is not attached properly, fuse blow, defrost heater damaged or plastic around evaporator could be damaged or deformed.

fridge thermistor(sensor) and freezer thermistor should be located to the same as mechanical thermistor.