images are CC BY-NC-SA 3.0
Description: This is the medium sized LED Matrix with a backpack that has been designed to take SPI serial input and display any graphics you pass it. All the refreshing and communication control is taken care of by the backpack. It's even reprogrammable! Off, Red, Green, and Yellow colors are available.
Unit comes with an Red/Green Matrix assembled with a RG Matrix Backpack Controller.
Check out the LED Coffee Table tutorial!