Hi @ToreyHilbert. There is a lot in that post. For general microscopy the Nikon MicroscopyU has a lot of resources and interactive tutorials.
There are quite a few threads here using lower magnification with a 4x microscope objective, and discussing the various challenges of that lower magnification with the general structure that is aimed at higher magnification. Particularly the recent thread Refletion microscope without beam splitter includes discussion of using a commercial ‘USB microscope’, or the OpenFlexure Field Dissection Microscope Refletion microscope without beam splitter - #6 by j.stirling, or a modified version of the OpenFlexure Microscope basic optics module Refletion microscope without beam splitter - #17 by biodotpe . You could also look at the OpenFlexure Manual microscope using a USB webcam, or in the customisations and alternatives there is an optics module for an Arducam USB camera.
What is appropriate will critically depend on what you are aiming to do with the microscope.
Our software development roadmap is available on our GitLab repository gitlab.com/openflexure. The issues, milestones and merge requests show where we working on different parts of the project.