intelligent heating controller

intelligent heating controller with infineon protected switch shield bts50010-1tad for arduino.
for an car seat heating or a car windshield heating.
you can use it standalone or with an arduino compatible shield.
the 4 led,s on the board should indicate the status of the heater:
led1=25%
led2=50%
led3=75%
led4=100% full throttle.