Arduino with Wii nunchuck

I was about to buy an accelerometer to play with. But I realised I already had one at home: Why not use the accelerometer in the Nunchuck? So I googled and found a really good how to here (with source code that can be modified to two servos): http://todbot.com/blog/bionicarduino/ , it was possible!
Have a look att this PDF from that site:
http://todbot.com/blog/wp-content/uploads/2007/11/bionic_arduino_class4.pdf


I didn't want to destroy my nunchuck so I made a basic "adapter" out of cardboard and aluminium foil.
Well, it's ugly but it works.
Someday I'll buy another nunchuck just to get the accelerometer.. Well.

Category:

Howto & Style

Tags:

• arduino
• nunchuck
• wii
• servos
• accelerometer

[ppiibb]

you should put a damping factor on the accel readings so your robot doesnt look like it has parkinson's and so you dont have to move the nunchuck so ridiculously slow...

[thiage]

@ppiibb haha, thanks for the tip.

This was actually just a small test I put together just to see if it would work. I made it and destroyed it the same day :)

But for future stuff I would def. apply some automatic control :)

I hope your weekend is great.

[basbrun]

Nice project! Have you tried using the wiimote with bluetooth? I don't know if there is any good libraries for this bluetooth device.

[thiage]

@basbrun thanks :) Quick and easy, it was most just to try it out. I haven't tried arduino + wiimote with bluetooth, but it would be interesting. Don't have bluetooth for arduino. I guess I could go via the computer; wiimote->computer->python/some­thing->arduino->servos ^^

[silverpizza100]

how much for everything out the door? Looks like that cost you over a grand. Now what are you going to do with it? Take it to your boss and ask for a pay raise?

[thiage]

@silverpizza100 yeah I already had the stuff laying around so. I didn't buy them to do this sprcific thing, just did it because it was possible with the stuff I had :) I disassembled it right after the video was recorded :)

I think trying stuff and playing around with things just helps to keep your mind fresh and creative. I have no other reason for doing this than to play and learn new stuff. I have no boss, I'm a student ;)

[eddiequest4]

WAY COOL - If you replace the eyes with cameras, and the joystick with a heads-up display, you can see around as you move your head.

[rambiant]

sweet!

[abpccpba]

Nice work.

[mokathekill]

When the " + servos" came up you know shits going down

[rosenhill]

Hahaha, really cool shit!

[macharborguy]

@thiage you could just get a cordless Nunchuck that has the adapter that plugs into the Wiimote, that way you could be free of the wire but still use your cardboard+tin foil method with the adapter.

[ppiibb]

finally recorded mine using iPhone... check it out... youtube.com/watch?v=ktItqNLjGA­A

[Frajedista]

Pretty good work ;) It's awesome!

PD: I've been working with Arduino and servos too :) See my projects in my channel ;)

[ppiibb]

@thiage it was very nicely done though.. actually yours inspired me to build one myself haha only i used the accelerometers on the iphone.. mine sure has parkinson's though, cuz i dont have servos so i used stepper motors haha.. i may upload it in a couple of days when i get my camera back.. have a great weekend too!