const five = require('johnny-five');
const board = new five.Board();
board.on('ready', function onReady() {
const servo = new five.Servo({
pin: 3,
range: [0, 180],
fps: 100,
startAt: 90
});
servo.center();
setTimeout(() => {
servo.sweep();
}, 1000);
setTimeout(() => {
servo.center();
}, 5000);
});