PCA9685 I2C Pulse Width Modulation driver

Supported interfaces

• webiopi.devices.analog.PWM)

Python Constructor

Use following constructors if you want to create some PCA9685 from your python scripts.

• PCA9685(slave)

Parameters :

• slave (optional, default=0x40): I2C slave address

from webiopi.devices.analog import PCA9685

# Setup a PCA9685 on I2C slave 0x40 (default)
pca0 = PCA9685()
# or
pca0 = PCA9685(slave=0x40)

# Setup a PCA9685 on I2C slave 0x41
pca1 = PCA9685(slave=0x41)

Configuration File syntax

Use following syntax to setup some PCA9685 in the webiopi service/command configuration file.

[DEVICES]
# Setup a PCA9685 on I2C slave 0x40 (default)
pca0 = PCA9685
# or
pca0 = PCA9685 slave:0x40

# Setup a PCA9685 on I2C slave 0x41
pca1 = PCA9685 slave:0x41