RPi_PCA9685

A Python package for the Raspberry Pi to control the PCA9685 16 Channel 12-bit PWM driver. Here's a similar alternative package.

Dependencies:

sudo apt-get install python-smbus

Usage:

See examples/example.py for a more detailed usage example.

Import the PCA9685 class:

from RPiPCA9685 import RPiPCA9685

Create a PCA9685 object:

pca9685 = RPiPCA9685.PCA9685(i2c_address, i2c_port_num)

Set the PWM frequency:

pca9685.set_frequency(frequency)

You can set the pulse width (in microseconds) on a specific channel:

pca9685.set_pwm(channel, 1200)

You can set the duty cycle on the specific channel:

pca9685.set_duty_cycle(channel, 67)