"use strict"; var Cylon = require("cylon"); Cylon.robot({ connections: { tessel: { adaptor: "tessel", port: "GPIO" } }, devices: { led: { driver: "led", pin: "G4" }, sensor: { driver: "analogSensor", pin: "A6" } }, work: function(my) { every((0.05).seconds(), function() { var val = my.sensor.analogRead().fromScale(0, 1024).toScale(0, 255) | 0; console.log("brightness: ", val); my.led.brightness(val); }); } }).start();