SAB3T - PID Loop Educational Tool

SAB3T is short for Servo Actuated Ball Bearing Balancing Touchscreen. A 7” resistive touchscreen is used to sense the position of a steel ball bearing. The touchscreen is mounted to a universal joint allowing it to tilt in 2 axes. 2 small servos are connected to the touchscreen through ball and cup joints. They work together to control the tilt of the touchscreen. Touchscreen data is processed in an Arduino Nano where the data is fed into a PID loop that outputs servo movements.”


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