And there you have it. A bumper. Works fine. Next steps; wire up the Arduino to the motors, encoders, & bumper switches, and migrate Rover I’s code from two wheel to four wheel.

Have MOSFET will travel.
And there you have it. A bumper. Works fine. Next steps; wire up the Arduino to the motors, encoders, & bumper switches, and migrate Rover I’s code from two wheel to four wheel.