WiiJoy Wii Nunchuck to Commodore Atari ZX Spectrum Kempston Joystick adapter

Description

WiiJoy adapter DYI kit will let you use your Wii Nunchuck controller as a Commodore/Atari/ZX Spectrum (Kempston only) joystick.
Wii Nunchuck is not included.
You can buy one of the 4 options (see pictures for details):
Option 1: Board + Microcontroller (programmed with firwmare)
Option 2: Complete DYI set
Option 3: Assembled device
Option 4: PCB Only
Option 4 will require you to program a suitable Microcontroller (the board accepts 14-pin DIP MicroChip PIC16Fxxxx MCUs)
WiiJoy adapter supports both genuine and aftermarket Wii Nunchuck controllers. WiiJoy adapter also support "rapid fire" function (button C on Wii Nunchuck).
Connecting Wii Nunchuck:
The Nunchuck's connector has three pins on one side and two pins on the other. Be sure to match them to 3 and 2-pin pads on WiiJoy PCB.
Testing:
Plug WiiJoy into a joystick port. The LED should light up.
Connect Wii Nunchuck to the adapter. The LED should turn off (Nunchuck detected). If the LED stays on, check Nunchuck connection.
Press fire (Z). The LED should light up.
Press (C) button. The LED should start blinking (this is the "rapid fire" function of the adapter).
Have fun!