Modular stacked housing arrangement

A snap-fit stacking arrangement for combining a plurality of discrete self-contained interconnected electronic modules in aligned stacked relation comprising:

• (a) a plurality of discrete self-contained snap-attached modules including a base module and one or more interchangeable, functional intermediate modules, each having discrete three-dimensional housing enclosures including pairs of spaced, oppositely disposed sidewalls and top and bottom panels adapted to be plugged together in parallel stacked relation and a cover module;
• (b) integral cooperating pin and socket pass-through electrical connector units associated with the top and bottom panels for interconnecting respective facing top and bottom panels of juxtaposed modules electrically with one another in a manner which internally interconnects all stacked modules using connectors not eternally visible on the connected stack;
• (c) intermodular ventilation system comprising common inlet and outlet means and matching pass-through openings in corresponding top and bottom panels of the base and intermediate modules;
• (d) circulation means for pressurizing and impelling air flow through the stacked modular arrangement;
• and
• (e) wherein said cover module is disposed on top of the one or more modules of the plurality of self-contained modules covering and protecting an otherwise exposed pin and socket connecting unit of the top surface of the plurality of stacked intermediate modules, the cover module being further provided with a plurality of side exhaust openings to accommodate ventilation flow.