ESP Basic - PCA9685 - 16 bit PWM LED driver - Part 1 - YouTube
Amazon.com: WWZMDiB PCA9685 16 Channel 12 bit PWM Servo Motor Driver I2C IIC Module for Arduino Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ and Robot : Electronics
PCA9685 LED controller and ESP32 example | ESP32 Learning