ServoKit

Hex.pmAPI docsCI

Drive PCA9685 PWM/Servo Controller using Elixir

Installation

You can install this library by adding servo_kit to your list of dependencies in mix.exs:

def deps do

  [

    {:servo_kit, "~> 0.0.4"}

  ]

end

Examples

# Initialize a driver.

{:ok, driver} = ServoKit.PCA9685.new(%{i2c_bus_name: "i2c-1"})



# Set the frequency to 50Hz (period: 20ms).

{:ok, driver}  = ServoKit.PCA9685.set_pwm_frequency(driver, 50)



# Set the duty cycle of Channel 0 to 7.5%.

{:ok, driver}  = ServoKit.PCA9685.set_pwm_duty_cycle(driver, 0, 7.5)

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