Hello friends, I hope you all are doing great. Today, I am going to share the new Rotary Inverted Pendulum Lab Library for Proteus , the fifth of our University Lab series. The inverted pendulum is the classic test of a control engineer: a stick that falls over the moment you stop correcting it, held upright by a motor and a few lines of code. In the rotary version a motor swings an arm, and a pendulum hangs from the end of the arm. The controller first swings the pendulum up from hanging, then catches it at the top and keeps it there, while the arm still goes where it is told. Updates Rotary Inverted Pendulum Lab Library for Proteus Latest version: V1.0 (November 2026, this tutorial) Other component libraries: C945 Transistor · PC817 Optocoupler · Relay Module · Resistor · 5 mm LED · Desi ...