If you want to create your own a-block, the prototype board with 40 holes gives you access to the SPI interface and 2 digital IO lines. This board has 1 A-blocks connector so you have access to 2 digital IO lines.
Note: This is a DIY KIT. For more information, please read the building instructions below. To use this module you also need an
Arduino, an
interface shield and a
connection cable.