void keyPressed(){
  if (showOptions==false&&showSpeeds==false&&showFreq==false&&showAbout==false){
    if(keyCode==LEFT||keyCode==RIGHT||keyCode==DOWN||keyCode==UP) showOptions=true;
    else {
      if(vibe==true) vibe=false;

      else if(vibe==false){
        vibe=true;
        init();
      }
    }
  }

  if (keyCode==LEFT){
    if(showOptions==true){
      showOptions=false;
      showSpeeds=false;
      showFreq=false;
      showAbout=false;
      init();
    }
    else if(showOptions==false&&showSpeeds ||  showOptions==false&&showFreq ||showOptions==false&&showAbout){
      showOptions=true;
      showSpeeds=false;
      showFreq=false;
      showAbout=false;
    }
  }

  if(showOptions&&showSpeeds==false||showOptions&&showFreq==false)options.keyPressed();
  if(showSpeeds)speeds.keyPressed();
  if(showFreq)  freq.keyPressed();
  if(showAbout)  about.keyPressed();
}

void keyReleased() {
  if(showOptions&&showSpeeds==false||showOptions&&showFreq==false)options.keyReleased();
  if(showSpeeds) speeds.keyReleased();
  if(showFreq) freq.keyReleased();
  if(showAbout) about.keyReleased();
}