Arduino Animatronic Controller Part 2 - Servo Control

This is the second part of a tutorial series explaining how to create an animatronic controller using an Arduino and a radio control transmitter used for RC models. In this video, I'll introduce the PCA9685 16-channel PWM controller board which I'm using to control the position of the servos. It uses an I2C connection to the Arduino, which means it requires only 4 GPIO pins (GND, +5V, Data, and Clock) and can control 16 servos. By connecting multiple PCA9685 boards together, you can control over 900 servos!