This library is to control the I2C PCA9685 PWM extender. The 16 channels are independently configurable in steps of 1/4096. This allows for better than 0.1% fine tuning of the duty-cycle of the PWM ...
There are many libraries available for this IC. Notably, there is even one by Adafruit. Their library works well too, their demo code proves it. Like many other libraries onlines, though, I have some ...