ServoKit
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, "~> 0.0.1"}
]
end
Examples
# Start the LCD driver and get the initial state.
{:ok, state} = ServoKit.PCA9685.start(%{i2c_bus_name: "i2c-1"})
# Set the frequency to 50Hz (period: 20ms).
ServoKit.PCA9685.set_pwm_frequency(state, 50)
# Set the duty cycle of Channel 0 to 7.5%.
ServoKit.PCA9685.set_pwm_duty_cycle(state, 0, 7.5)