public void SetPixelColor(int pixel, LedColor color)
{
if (port.IsOpen)
{
byte[] buffer = new byte[13];
buffer[0] = 0xAA;
buffer[1] = Convert.ToByte(pixel);
buffer[2] = color.R;
buffer[3] = color.G;
buffer[4] = color.B;
port.Write(buffer, 0, buffer.Length);
}
}