Two wheeled self balancing robot (redesign) - Hackster.io
Magic Smoke: Stripboard PID Arduino Shield, Part 2: Firmware
Control of DC Motor Using Integral State Feedback and Comparison with PID: Simulation and Arduino Implementation | Ma'arif | Journal of Robotics and Control (JRC)
Arduino PID Autotune Library « Project Blog
PID-based Practical Digital Control with Raspberry Pi and Arduino Uno (Extract) by Elektor - Issuu
Input and Output of Relay (Arduino PID Autotune Library, 2012). | Download Scientific Diagram