PX4/Firmware — pull request #1296 by thomasgubler (2014-08-20 13:52:57+00:00)
Title: Adafruit i2c to pwm board driver

This PR adds a driver for the [Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface](https://www.adafruit.com/product/815)

Basic functionality was tested with scope and servos.