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Arduino + Android Projects for the Evil Genius: Control Arduino with Your Smartphone or Tablet by Simon Monk

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CHAPTER 6Ultrasonic Range Finder

AS YOU MIGHT EXPECT, the Evil Genius has many friends in the real estate business. One of these friends mentioned that it was extremely hard work measuring up rooms using a traditional tape measure while clutching their cell phone. Apparently, many realtors are afflicted by a medical condition that makes it impossible to take their cell phone from their hand.

This inspired the Evil Genius to design the final project in his Android accessory lineup, an ultrasonic range finder (Figure 6-1).

Image

Figure 6-1 The Range Finder Android accessory

The Android control software for the project is shown in Figure 6-2.

Figure 6-2 ...

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