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Figure 19—Game controller with accelerometer and pushbutton

Now that the hardware is complete, we need a final version of the game con-

troller software. It supports the button we’ve added, and it performs the anti-

jittering we created in Finding and Polishing Edge Values, on page 103:

MotionSensor/Controller/Controller.ino

#include <Bounce2.h>

const unsigned int BUTTON_PIN = 7;

const unsigned int X_AXIS_PIN = A2;

const unsigned int Y_AXIS_PIN = A1;

const unsigned int Z_AXIS_PIN = A0;

const unsigned int NUM_AXES = 3;

const unsigned int PINS[NUM_AXES] = {

X_AXIS_PIN, Y_AXIS_PIN, Z_AXIS_PIN

};

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Building Your Own Game Controller • 107

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