This is a joystick very similar to the ‘analog’ joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometers - one for each axis. Pots are ~10k each. This joystick also has a select button that is actuated when the joystick is pressed down.
Specifications
I/O Pins
X axis analog out
Y axis analog out
Operating Voltage
5
V
Sensor
2 x 10kohms Potential meter and Tactile switch