you really shouldn’t be using variables with the same name but different capitalization in the same sections of code anyway.
It’s a standard convention. Notice step #3 here: https://scottlilly.com/learn-c-by-building-a-simple-rpg-index/lesson-08-1-setting-properties-with-a-class-constructor/
Edit: Step #4 is a different standard convention that also applies here.
You can get a RaspPi instead, and after a year or two you’ll have saved enough electricity to have paid for itself.