This is a shield (for Propeller Platform) to drive up to 6 of the Adafruit 16x32 RGB LED arrays.
This page has details on the development of this board and software.
You will also need a Propeller Platform board, such as PPE to complete the hardware.
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The shield can drive three of the arrays at full color depth as shown here:
The Propeller Platform compatible shield that I used for this display are now for sale.
Accepts up to 6 IDC cables. Allows you to run up to a 6-panel display without any jumper wires.
(although current code uses only positions 1, 2 and 3 (daisy chained for 6 displays))
Just solder header pins on each side to make connection to a Propeller Platform board.
Here is a wiring diagram.
Cost is $19.99 with free shipping to USA.
To order, simply send email to email@example.com and we'll send a PayPal invoice.