code: function show() {
    if (dat == null && clk == null) {
      dat = new Gpio(23, 'out');
      clk = new Gpio(24, 'out');
    }
  
    sof();
  
    var pixel;
  
    for (var i = 0, length = pixels.length; i < length; i++) {
      pixel = pixels[i];
  
      writeByte(0xe0 | pixel[3]);
      writeByte(pixel[2]);
      writeByte(pixel[1]);
      writeByte(pixel[0]);
    }
  
    eof();
  }
docs: Outputs the buffer to Blinkt!
  
  @return {void}
  @public