Hello friends, I hope you all are doing great. Today, I am going to share the new 4-DOF Robot Arm Library for Proteus Simulation , the 50th and last library of this motor series. If you have searched for a Proteus simulation of a robot arm, the small desktop arm with four SG90 servos that so many students build as their first robot, this library brings the whole arm into Proteus: the base, the shoulder, the elbow and the gripper, a block to pick up, and a stand to put it on. Updates 4-DOF Robot Arm Library for Proteus Simulation Latest version: V1.0 (November 2026, this tutorial) Other motors: SG90 Servo · TT Gear Motor · 28BYJ-48 Stepper · NEMA 17 Stepper · MG996R Servo · N20 Encoder Motor · JGA25-370 Encoder Motor · FS90R 360 Servo · 130 DC Motor · A2212 Brushless · X27.168 Gauge · Analo ...