Analog joystick for the arduino and other microcontrollers. contains two 10k potentiometers connected to the handle lever for x y movement and when the handle is pressed in the centered position, a momentary switch “z” is closed. the potentiometers are wired as voltage dividers between gnd. and vcc. the lever is spring loaded to return to center position at rest. connections to a microcontroller are x and y to the ad converter and the momentary z switch to a digital pin. the z switch has a 10k pull up resistor and is active low output. can be used with either 3.3v or 5v supplies. single 5 pin male header connectors .025sq x .1 spacing for output. four corner mounting holes