Wireless Nunchuck R/C Remote!

[Dan], admirably rose to the occasion when his son wanted a new toy. Being a dedicated father — and instead of buying something new — he took the opportunity to abscond to his workbench to convert a Wiimote Nunchuck into a fully wireless controller for his son’s old r/c car — itself, gutted and rebuilt some years earlier.

Unpacking the nunchuck and corralling the I2C wires was simply done. From there, he combined a bit of code, an Arduino pro mini, and two 1K Ohm resistors to make use of an Aurel RTX-MID transceiver that had been lying around. Waste not, want not.

A TI Stellaris Launchpad is the smarts of the car itself, in concordance with a TB6612FNG motor controller. The two Solarbotics GM9 motors with some 3D printed gears give the car some much needed gusto.

In Dan’s own humble words: “nothing out of the ordinary, just a nice example of what one can do with parts mostly gathering dust around any hacker’s house.” If any new parents out there have a spare Wiimote stashed away, you can use the infrared LEDs to make a fairly effective baby monitor.

Filed under: Arduino Hacks, toy hacks

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