Image 1/3

Image 2/3

  1. Assemble the String Pot via instructions found here.
  2. Assemble the Joystick but leave off the thumb cap.
    • Wire, solder and shrink wrap the following connections:
    • Joystick X to Teency #14
    • Joystick Y to Teency #15
    • String Pot #2 to Teency #16
    • Joystick Ground to String Pot #3 to Teency Ground
    • Joystick Vcc (or similar) to String Pot #1 to Teency 5V
  3. Bend the Eye Screweye 90 degrees.
  4. Screw the Eye Screw into tip of Joystick shaft.
  5. Use pliers to open Eye Screw a bit.
  6. Double loop string through Eye Screw.
  7. Use Pliers to close the Eye Screw.
  8. Hot glue the Joystick board to the String Pot as in the main photo.
  9. Note: You may want to hot glue the Teency to the string pot too.
  10. Upload Code below via the Arduino IDE
  11. Note: Instructions available at the link above.
  12. Calibrate Joystick X, Y, & Z axis via OS instructions.

Image 3/3

Game Trak DIY v0.1

Gametrak is a brand of 3-dimensional game control systems based on position tracking, designed for home video game platforms such as video game consoles and personal computers.


  • Teency LC
  • AndyMark String Pot (This can be DIY. Instructions on their website.)
  • Analog 2-axis Thumb Joystick
  • Eye Screw (Crown Bolt #216 or matching)
  • Wire
  • Shrink Wrap
  • Hot Glue
  • USB A to Micro B


/*Game Trak Example
This example code is in the public domain. */
void setup() {
// configure the joystick to manual send mode. This gives precise
// control over when the computer receives updates, but it does
// require you to manually call Joystick.send_now().
void loop() {
// read analog inputs and use them for the joystick axis
// Because setup configured the Joystick manual send,
// the computer does not see any of the changes yet.
// This send_now() transmits everything all at once.
// a brief delay, so this runs “only” 200 times per second
Matthew Cordaro
Game Trak DIY v0.1 Vol 0