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Beginning Arduino Programming by Brian Evans

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Project 8: Decision Machine

Holding our completed project in your hands, you might ask it a simple question before giving it a gentle shake and at that moment a forecast will mystically appear from the murky depths of its display. If that sounds familiar, it's because we loosely found inspiration for this project in a classic, sometimes irreverent, fortune-telling icon. Our prototype design uses an accelerometer to recreate the familiar rotate or shake to activate the device, and an LCD to provide us with the short but erudite answers to our imagined yes-or-no questions. To make it interesting, we will use arrays throughout our project to give us something to talk about in this chapter and to demonstrate how arrays work in our code.

Hooking It ...

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