XY Joystick Module

PS2 game rocker rocker arm module Electronic building blocks standard interface and 2.54 mm pin interface leads.
Cross a handle for a two-way 10 k resistor, with a handle in a different direction, tap the resistance with the change. This module USES 5 V power supply, the original state of X, Y read voltage of 2.5 V, when press the arrow direction, read with voltage increasing, the biggest to 5 V. Opposite direction of the arrow pressed, read the voltage value decreased, a minimum of 0 v.