WiiChuck (modified)

Wii Nunchuck CV Interface

Four CV outputs
Joystick X
Joystick Y
Tilt X
Tilt Y
Each output can be individually configured for 0-5V or 0-10V output range.
Two Button Outputs
Button C (the smaller round button)
Button Z (the larger trigger button)
10V output when button pressed
Tilt Holds
Separate hold input for Tilt X and Tilt Y
Positive voltage on the hold jacks allows the Tilt CV to change.
Zero volts holds the Tilt CV values steady even when tilted.
Tilt X Hold jack is normalized to V+.
Tilt Y Hold jack is normalized to the Tilt X Hold jack.

https://delptronics.com/wiichuck-kit.php