Reverse logic on/off logic on switches and introduce array maps for pin numbers to control commands for switches.
Refactoring to accesss potentiometers via an array. Add all control elements.
Add LED definitions, but no control code
Add serialization control for LEDs
Add all circuit geometry for LEDs and graphs.
Add stubbed class for LED Digit
Add declaration of LEDDigits with correct geometry
Add serial control code for driving digits
Add logic to clear all digits and LEDs at startup