Breadboard for "Stepper - Driver"
Fritzing diagram: stepper-driver.fzz
Run this example from the command line with:
node eg/stepper-driver.js
const {Board, Stepper} = require("johnny-five");
const board = new Board();
board.on("ready", () => {
/**
* In order to use the Stepper class, your board must be flashed with
* either of the following:
*
* - AdvancedFirmata https://github.com/soundanalogous/AdvancedFirmata
* - ConfigurableFirmata https://github.com/firmata/arduino/releases/tag/v2.6.2
*
*/
const stepper = new Stepper({
type: Stepper.TYPE.DRIVER,
stepsPerRev: 200,
pins: {
step: 12,
dir: 11
}
});
// Set stepper to 180 RPM, counter-clockwise with acceleration and deceleration
stepper.rpm(180).ccw().accel(1600).decel(1600);
// Make 10 full revolutions
stepper.step(2000, () => {
console.log("Done moving CCW");
// once first movement is done, make 10 revolutions clockwise at previously
// defined speed, accel, and decel by passing an object into stepper.step
stepper.step({
steps: 2000,
direction: Stepper.DIRECTION.CW
}, () => console.log("Done moving CW"));
});
});
Additional Notes
