To interface a Analog input (angular displacement sensor POT) and scale the values up on change in the input. Analog signals – directly measurable quantities in terms of some other quantity. Examples: ...

Create a voltage divider circuit with the flex sensor. In my testing, I used a 44k Ohm resistor. Power can be provided to the circuit from the built-in 5v pin. This guide has a handy wiring diagram, ...

There was a time when building electronics and building software were two distinct activities. These days, almost any significant electronic project will use a CPU somewhere, or — at least — could.