Initial commit

## Example files for the title:  

# Building Wireless Sensor Networks, by Robert Faludi

[![Building Wireless Sensor Networks, by Robert Faludi](http://akamaicovers.oreilly.com/images/9780596807733/cat.gif)](https://www.safaribooksonline.com/library/view/title/780596807757//)

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/*

 * *********XBee Internet Gateway Light Example********

 * by Rob Faludi http://faludi.com

 * rewritten for St. Ann's http://saintannsny.org

 */

#define NAME "XIG Light Example"

#define VERSION "1.10"

#define LED_PIN 13

int outputLight = 12;

int lightState;

void setup() {

  pinMode(LED_PIN,OUTPUT);

  pinMode(outputLight,OUTPUT);

  blinkLED(LED_PIN,2,100);

  blinkLED(outputLight,2,100);

  Serial.begin(115200); // faster is better for XIG

  delay(2000);

}

void loop() {

  if (millis() % 1000 == 0) {  // wait a second before sending the next request

  // request the current light state, set with zig_light_form_example.php

  Serial.println("<YOUR-SERVER-HERE>/lightSetting.txt");

  }

  if (Serial.available() > 0) { // if there's a byte waiting

    lightState = Serial.read(); // read the ASCII numeral byte

    // turn on the light if the response is 1, or off if the response is zero

    if (lightState == '0' || lightState=='1') {

      lightState=lightState-48; // transform ASCII into an integer

    digitalWrite(outputLight, lightState);

    }

  }

}

////////////////// UTILITIES //////////////////

// this function blinks the an LED light as many times as requested, at the requested blinking rate

void blinkLED(byte targetPin, int numBlinks, int blinkRate) {

  for (int i=0; i<numBlinks; i++) {

    digitalWrite(targetPin, HIGH);   // sets the LED on

    delay(blinkRate);                     // waits for blinkRate milliseconds

    digitalWrite(targetPin, LOW);    // sets the LED off

    delay(blinkRate);

  }

}

/*

 * *********XBee Internet Gateway Upload Example********

 * by Rob Faludi http://faludi.com

 */

#define NAME "XIG Upload Example"

#define VERSION "1.00"

#define LED_PIN 13

int inputPin = 0;

void setup() {

  pinMode(LED_PIN,OUTPUT);

  blinkLED(LED_PIN,2,100);

  Serial.begin(115200); // faster is better for XIG

  delay(2000);

}

void loop() {

  // read the analog pin

  int value = analogRead(inputPin);

  // upload the current value to the server, it will be stored in a dataFile.txt

  Serial.print("<YOUR-SERVER-HERE>/xig_upload_example.php?value=");

  Serial.println(value, DEC);

  // wait a second between uploads

  delay(1000);

  blinkLED(LED_PIN,1,100);

}

////////////////// UTILITIES //////////////////

// this function blinks the an LED light as many times as requested, at the requested blinking rate

void blinkLED(byte targetPin, int numBlinks, int blinkRate) {

  for (int i=0; i<numBlinks; i++) {

    digitalWrite(targetPin, HIGH);   // sets the LED on

    delay(blinkRate);                     // waits for blinkRate milliseconds

    digitalWrite(targetPin, LOW);    // sets the LED off

    delay(blinkRate);

  }

}