CHAPTER 2Android Geiger Counter

THE EVIL GENIUS’S MINIONS are always leaving radioactive material lying around after his failed attempts at world domination. Tired of continual accidental exposure to radiation, the Evil Genius decided to make a Geiger counter accessory for his Android phone (Figure 2-1).

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Figure 2-1 The Android Geiger counter

Google, developers of the extremely successful Android mobile operating system, chose Arduino as the basis for their open accessory development kit (sometimes called ADK). This is a protocol specification and library software developed by Google to encourage third parties (that’s us) to develop hardware accessories ...

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