Nunchuck Backlight

Written by eipromb on April 22, 2008 – 2:06 pm -

This is re-write of Finch’s Nunchuck LED mod. This mod adds a backlight to the joystick on the Nunchuck attachment. Its very simple to perform and should take roughly 30 minutes. It does have one downfall though, as shown this mod does not include a limiting resistor, so just as with the Easy A Button Backlight Mod, battery life on the attached wiimote will be decreased.

What you’ll need:
A Triwing Screwdriver
Nunchuck Attachment
3mm LED in the colour of your choice
1/8″ Heatshrink Tubing
Soldering Iron and Solder
Desoldering braid

Step 1:
Start by removing the two triwing screws located on the bottom side of the Nunchuck attachment.

Nunchuck LED 1

Step 2:
Once the screws are removed, lift the upper housing off the base starting from where the cable exits the Nunchuck.

Nunchuck LED 2

Step 3:
The main PCB of the Nunchuck can be removed simple by lifting up. Note the two test points this mod will use.

Nunchuck LED 3

Step 4:
To prepare the LED, use the heatshrink tubing on the legs of the LED as shown. You can also see how I formed the leads to give roughly a 1/4″ spacing between them.

Nunchuck LED 4

Step 5:
The LED is then soldered onto the two test points. Red is the anode (+), and black is the cathode (-).

Nunchuck LED 5

Step 6:
Before reassembling, test the Nunchuck to make sure your mod works. Re-assemble following steps 1-3 in reverse order.

Nunchuck LED 6


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Posted in Mods |

12 Comments to “Nunchuck Backlight”

  1. Matt Says:

    Hey, does this -significantly- decrease battery life? I mean how much drain are we talking about here? Thanks for a great writeup, the final picture looks pretty slick :)

  2. kenneth Says:

    what do you mean the plus and minus on the nunchuck I dont see thatI just a bunch of letters and numbers

  3. Amal Says:

    Can we use 5mm LED instead of 3mm?

  4. Del Says:

    From the many LED mods I’ve done to the Firehawk (850+ LEDs) and Hayabusa (850+ LEDs), I’d recommend grinding the head of the LED flat. This will dispurse the light more evenly and give it a more uniform look.

  5. Martin Says:

    Ok, so i was just wondering does the led light ever burn out, if so how would i change it with a new light and when im not using the controller is the light still on or is the light off
    please could you get back to me, cant wait to start modding
    Regards,
    Martin

  6. Delpee Says:

    Hello wiimote mods, I did this mod, but the LED didn’t fit when I putted the nun back together, there was like a thing around the stick. Can you show me a pic of the upper part of the case of the nun, or a pic of the nun WITH the stick (like the thing for your thumb)?

    (Sorry for my bad english!)

    -Delpee

  7. ty Says:

    test your LED before you solder..
    DUR

  8. Uriel Maldonado Says:

    Amal: i did my own mod and i used 5mm LED that i bought off Dealextream.com (seriosly cheap baught 30 for like 6 dollars) anyways yeah the only downlise is you cant put the LEDs under the joystick. they have to be to the side and you have to cut a small space off the top cap. SO YES YOU CAN DO THIS just requires like 5% extra work but its basicly the same thing.

    happy modding

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    дизайнер This is re-write of Finch’s Nunchuck LED mod. This mod adds a backlight to the joystick on the Nunchuck attachment…..

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