Cheap Accelerometer with the Wii Nunchuck. As you’re probably well aware, the wiimote and nunchuck have a vast array of sensors built into them.
Instead of buying pre-assembled breakout board for $35, or attempting to solder a tiny surface mount accelerometer, learn to exploit the features of the Wii Nunchuck and have a fully assembled accelerometer, joystick, and pushbuttons for just $12.50 shipped (on ebay). Why use the nunchuck insead of the actual WiiMote? Wiimotes can be about $40 and have a lot of extra features you wont need at the moment.
Plus, the nunchuck has a cable which can easily be plugged into the Arduino. Capture+d%E2%80%99%C3%A9cran+2011-12-07+%C3%A0+17.40.31.png 1 276 × 923 pixels. Arduino I2C. General Electronics-Tech. There are many different forms of digital communication protocols and they differ based on application. I2C and SPI protocol are commonly recognized as ‘small protocol’ relative to such Ethernet, USB, SATA, PCI-E protocol bus and etc that their transmission rate is up to hundreds or thousands Mbits/s. However, we couldn’t forget the purpose of these kinds of protocols bus.
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