Add transistor sensor for power diagrams.
Fix labeling on some diagrams.
Add underscores.
Add pressure pad with bias resistor diagram.
Add schematics.
Add first three Arduino examples.
Add images for Arduino examples.
better folder organization

yay
Add folders for assignments.
Add script to print all filenames.
Add new Arduino diagrams.
new html files in unit 1
refining html placement
Fixing spelling.
Creating new Unit 1 Section A overview page from the template and previous assignments and overview pages.