Arduino
Obstacle-avoiding robot with a scanning ultrasonic head
The standard obstacle avoider hits something, reverses and turns at random. Adding one servo turns it from a bumper car into something that surveys the room and picks...
Arduino
Line-following robot that actually follows the line: sensor spacing, proportional control and why yours weaves
Most line followers wobble down the track like they are drunk, and "reduce the speed" does not fix it. The oscillation is a control problem. Sensor spacing, per-sensor...
