function() {
  this.init = function(blynk) {};
  this.process = function(values) {
    switch (values[0]) {
    case 'pm':
      return true;
    case 'dw':
    case 'dr':
    case 'aw':
    case 'ar':
      console.log("No direct pin operations available.");
      console.log("Maybe you need to install mraa or onoff modules?");
      return true;
    }
  };
}