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This example is for Wiring version 1.0 build 0100+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.

Multiple switches by BARRAGAN http://barraganstudio.com
Demonstrates the use of digital pins and switches. The pin used as input is connected to a switch

    int switchPin_0 = 8; // switch connected to pin 8
    int switchPin_1 = 9; // switch connected to pin 9
    int switchPin_2 = 10; // switch connected to pin 10
    int switchPin_3 = 11; // switch connected to pin 11
    int switchPin_4 = 12; // switch connected to pin 12

    void setup()
    {
      pinMode(switchPin_0, INPUT);  // sets digital pin 8 as input
      pinMode(switchPin_1, INPUT);  // sets digital pin 9 as input
      pinMode(switchPin_2, INPUT);  // sets digital pin 10 as input
      pinMode(switchPin_3, INPUT);  // sets digital pin 11 as input
      pinMode(switchPin_4, INPUT);  // sets digital pin 12 as input
      Serial.begin(9600);
    }

    void loop()
    {
      if (digitalRead(switchPin_0) == HIGH) // if the switch is pressed
      {
        Serial.print("ON ");
      }
      else                                // if switch not pressed
      {
        Serial.print("OFF ");
      }
      if (digitalRead(switchPin_1) == HIGH) // if the switch is pressed
      {
        Serial.print("ON ");
      }
      else                                // if switch not pressed
      {
        Serial.print("OFF ");
      }
      if (digitalRead(switchPin_2) == HIGH) // if the switch is pressed
      {
        Serial.print("ON ");
      }
      else                                // if switch not pressed
      {
        Serial.print("OFF ");
      }
      if (digitalRead(switchPin_3) == HIGH) // if the switch is pressed
      {
        Serial.print("ON ");
      }
      else                                // if switch not pressed
      {
        Serial.print("OFF ");
      }
      if (digitalRead(switchPin_4) == HIGH) // if the switch is pressed
      {
        Serial.println("ON");
      }
      else                                // if switch not pressed
      {
        Serial.println("OFF");
      }
      delay(100);
    }