var led = require('@amperka/led') 
  .connect(P1);

var pot = require('@amperka/pot') 
  .connect(A0);

var sensor = require('@amperka/light-sensor') 
  .connect(A2);

setInterval(function() {
  var threshold = pot.read() * 100; var luxes = sensor.read('lx');
  if (luxes < threshold) {
    led.turnOn(); 
  } else {
    led.turnOff(); 
  }
}, 10);