Adafruit Industries 16-Channel Servo Controller HAT Kit for Raspberry Pi

The 16-Channel Servo Controller HAT Kit for Raspberry Pi is a small yet functional computer that is able to control 16 servos with efficiency. Comes with a Python library that brings your robotic creation to life; Drives up to 16 servos or PWM outputs over I2C with only 2 pins; Motor needs specific and repetitive timing pulses to set the position; Can be used with Raspberry Pi Model A+, B+, Pi 2 or 3