Specifications

Major Balthazar parts are:

Power Controller and battery

These supply power to the rest of the system. It should be capable enough to run some USB connected hardware, too.

System on a Module (SOM)

This is the main system board, the computer.

This should be swappable among different makers.

Minimum of ports is required for wider compaitibility. Power, USB and HDMI.

USB hub

Provides the main infrastructure for connecting peripherals. Need to have many ports and good power supply.

Often SOMs already provide a number of USB ports.