var Cylon = require('../..'); Cylon.robot({ connection: { name: 'arduino', adaptor: 'firmata', port: '/dev/ttyUSB0' }, devices: { led: { driver: 'led', pin: 17 }, servo: { driver: 'servo', pin: 2, range: { min: 30, max: 150 } } }, work: function(my) { my.led.turnOn(); var angle = 30; var increment = 40; every(1..seconds(), function() { angle += increment; my.servo.angle(angle); console.log("Current Angle: " + (my.servo.currentAngle())); if ((angle === 30) || (angle === 150)) { increment = -increment; } }); } }).start();