The ornamental design for a modularelectronichousing and assemblies, as shown and described.
The modular electronic housing and assemblies comprises a modular electronic housing 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.