Every stack needs one Superbase. The Superbase is where power is connected. It executes software blocks (Python scripts), has an 8GB repository for data storage, and has a real-time clock. Includes 5V DC wall power pack and mini-USB cable for connecting to a laptop for downloading blueprints.
(Technical specifications: 1 GHz ARM processor, 512 MB Ram, 8GB Flash. Power 5VDC barrel connector Size N OD 5.5mm ID 2.5mm, mini-USB connector)