Building the Solution
This is one of the easier projects in the book, since it relies entirely on the Arduino, an add-on shield, a sensor, and a servo motor. When constructed, the completed assembly should look similar to the one shown in Figure 7, An Electronic Guard Dog. Here’s how we will build it:
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Attach an Adafruit wave shield to the Arduino.
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Connect a PIR to the wave shield’s power, ground, and one of the available digital pins.
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Connect a servo to the wave shield’s power, ground, and another one of the available digital pins.
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Download additional Arduino libraries that allow the wave shield to be easily controlled while preventing resource conflicts with sending instructions simultaneously to the servo.
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Write a sketch that randomly ...
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