const five = require('johnny-five');
const board = new five.Board();
board.on('ready', () => {
const photoresistor = new five.Sensor({
pin: 'A2',
freq: 250
});
photoresistor.on('change', function onChange() {
console.log(this.value);
});
photoresistor.on('data', function onData() {
console.log(this.value);
});
});