Powering an analog RGB LED Strip with the Pi #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!
PCA9685 Servo Driver Arduino circuit diagram and Code
PCA9685 LED controller and ESP8266 example - esp8266 learning
PCA9685 16-Channel, 12-bit PWM/Servo/LED Driver IC