Here a Carberry board layout, with connectors highlighted.

Carberry 3 Layout

Carberry 1/2 Layout

Main Connector

Microfit 22 pin main connector, provides power supply and connections to vehicle.

Raspberry Pi Interface

Raspberry Pi Interface, joins toghether Carberry board and Raspberry Pi microcomputer.

Infrared Interface

Infrared Interface, provides connections to infrared extension (sensor and emitter).

Factory Programming

For factory programming of microcontroller.

Debug Interface

Debug Interface, provides connections to a debug interface (simple serial device).

Micro USB Interface

Micro USB Interface, exposes USB device connection to external USB host.