Schematic Diagram for PCA9685 Servo Motor Control System with Opto-Isolation

This is a schematic diagram illustrating the hardware connection of a servo motor control system, featuring the PCA9685 PWM controller, opto-isolators for signal isolation, servo power supply, and four servo motors, with clear wiring for GND, 5V, and PWM signals. Ideal for electronics engineers, robotics hobbyists, or embedded system developers, this template visualizes the circuit design to aid in understanding servo control logic, signal isolation, and hardware integration.