@fustaro/pca9685-controller

Node PCA9685 servo controller / pwm driver over I2C

``npm install @fustaro/pca9685-controller`

$3

`
const servoModel = new ServoModel({
pwmRange: { min: 1000, natural: 1500, max: 2000 },
angleRange: { min: -60, natural: 0, max: 60 },
speed: 0.1,
servoDirection: ServoDirection.HIGHER_PWM_CLOCKWISE
});
`

$3

`
const servo = new Servo({
servoModel: servoModel,
centerOffsetPwm: 0,
channel: 0,
flipDirection: false
});
`

$3

`
import { getOrCreatePCA9685Controller } from '@fustaro/pca9685-controller';

const controller = getOrCreatePCA9685Controller(uniqueHardwareName, options);

//uniqueHardwareName: A unique reference to a given PCA9685, e.g. 'PCA9685_1'
// The ServoControllerFactory will only ever return a single
// ServoController for a given uniqueHardwareName

//options: see Pca9685Options class or import defaultOptions from
// @fustaro/pca9685-controller. This default should work for RPI
`

$3

`
controller.setAngleDegrees(servo, 40);
`

$3

`
import { beginAngleLoop, stopAngleLoop } from '@fustaro/pca9685-controller/dist/samples/angleLoop';

const controller = ;
const servo = ;

//this will set your servo to 40°, 0°, -40°, 0°, etc - changing every 500ms
beginAngleLoop(controller, servo, [40, 0, -40, 0], 500);
`

`
import { beginSinLoop, stopSinLoop } from '@fustaro/pca9685-controller/dist/samples/sinLoop';

const controller = ;
const servo = ;

//this will run your servo in a sin loop, +/- 40°
//updating every 15ms and doing 2 full loops every second
beginSinLoop(controller, servo, 40, 15, 2);
``