The ornamental design for a modularelectronichousing and assemblies, as shown and described.
The modular electronic housing and assemblies comprise an assembly of modular electronic housings intended to be used to house electronic circuit boards and their included electronic components.
The FIGURE is a right side perspective view of a modular electronic housing and assemblies showing our new design.
The broken line disclosure in the drawings are for illustrative purposes only and form no part of the claimed design.