var events = require('events'),
    util = require('util');

var Sensor = function (arduino, pin) {
  if(!arduino || !pin) {console.log("Arduino or pin not set!");}
  this.arduino = arduino;
  this.pin = pin;

  this.board.on('data', function (message) {
    var m = message.slice(0, -1).split('::'),
        err = null;

    if (m.length != 2 && this.pin != m[0]) {
      return;
    }

    this.emit('read', err, m[1]);
    
  }.bind(this));

}

util.inherits(Sensor, events.EventEmitter);

Sensor.prototype.trigger = function() {

  this.arduino.write(new Buffer('Y' + String.fromCharCode(this.pin) + '000000', 'ascii'));  

};

module.exports = IR;