In an example embodiment, a computing module includes a case, an optical display subsystem coupled to the case, a circuit element assembly, a power cell and an interface connector. The case includes a bottom portion and multiple lateral sidewalls. The case defines an enclosure. The circuit element assembly is positioned within the enclosure and is coupled to the optical display subsystem. The power cell is coupled to the circuit element assembly. The interface connector is defined in the case and includes multiple side openings, multiple bottom openings and multiple connector pads. The side openings are defined in at least one of the lateral sidewalls. The bottom openings are defined in the bottom portion of the case. The connector pads include multiple side pads coupled to the case and in communication with the side openings and multiple bottom pads coupled to the case and in communication with the bottom openings.