Copyright 2015 Wendy Smoak
Spinny is an Elixir port of the Adafruit_PWM_Servo_Driver code in Adafruit's Raspberry-Pi Python Code Library
https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/tree/master/Adafruit_PWM_Servo_Driver
As such, it inherits the BSD license and the additional information shown below: