text: 
  module.exports = {
    Board:  require('./lib/board'),
    LCD:    require('./lib/lcd'),
    LED:    require('./lib/led'),
    PIR:    require('./lib/pir'),
    Ping:   require('./lib/ping'),
    Piezo:  require('./lib/piezo'),
    Servo:  require('./lib/servo'),
    Button: require('./lib/button'),
    Sensor: require('./lib/sensor')
  };
  