The Waiter is built from the Lego Wedo 2.0 educational kit. The operation of the model occurs due to the operation of a multi-link transmission system. Depending on the direction of movement of the motor, the robot can move either forward or turn. In this case, the control can be configured using keys or by triggering the distance sensor (each time is a mode switch).
The set includes step-by-step building instruction and an example of program (in Lego Wedo 2.0 environment).