How Does an Analog Thumb Joystick Work?

- Jun 09, 2020-

How Does an Analog Thumb Joystick Work?

CJP161219D04

Assuming a volume control or other knob,these controls are generally made from potentiometers, which are consist of variable resistors.

By connecting the potentiometer as a voltage divider, you can get a varying voltage, which can be fed to an analog to digital converter on a microprocessor. This allows the software to read the knob position.