WORKING PRINCIPLE

BLOCK DIAGRAM

 

CIRCUIT DIAGRAM

 

ARDUINO CODE FLOW DIAGRAM


With all these separate parts, it allows the user to control the trolley via a remote-control which sends a signal to the transmitter, that conveys the signal to the Arduino. With the signal transmitted from the receiver, the Arduino will execute the code according the the flow diagram above, and send respective signals to the wheels or servo motors to turn.