Write messages and add graphics with this shield. A ready-to-use library with examples and methods is available to easily write static and scrollable text. You can use this shield to show values from your board and it is controllable from the Arduino IoT cloud. There is no need for solder or special adapters; just plug the RGB matrix shield on top of your favorite MKR board and you are ready to go! The mounted LEDs are very dense and bright, with full RGB colors!.