Introduction Last time, we programmed a SunFounder PiCar-X to behave similar to a Roomba, to basically move around a room following an algorithm to go all over the place. This was a first step and had a few limitations. The main one is that it could easily get stuck, since if there is nothing in front of the ultrasonic sensor, then it doesn’t detect it is stuck. This blog post adds some basic image processing to the algorithm, so if two consecutive images from the camera are the same, then it co...