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Version: 0.6.x_dev

PCA9685 expander

I2C expander used in relay boards. You likely must have this configured. By defoult one relay board has 2 or 3 PCA9685 installed.

Example configs​

Example config for 32 pwm outputs
pca9685:
  - id: pca1
    address: 0x20
  - id: pca2
    address: 0x21
Example config for 48 pwm outputs
pca9685:
  - id: pca1
    address: 0x20
  - id: pca2
    address: 0x21
  - id: pca2
    address: 0x22

Configuration variables:​

  • id (Required, string) - ID to use. It's internal usage only, but you need to define it so you can define output pins properly.
  • address (Required, string) - I2C address of the device
  • init_sleep (Optional, timeperiod, default: 0s) - how long to wait for PCA9685 to respond. Some PCA9685 has delay during initializing. This option will wait for X second for device to respond.