Example Code for Arduino-Crash Sensor Switch Detection

Wiring Diagram

Sample Code

// #
// # Editor     : Lauren from DFRobot
// # Date       : 26.09.2012
// # E-Mail : [email protected]

// # Product name: Crash sensor
// # Product SKU : SEN0138
// # Version     : 0.1

int ledPin = 13;                // choose the pin for the LED
int inputPin = 3;               // Connect sensor to input pin 3


void setup() {
  Serial.begin(9600);           // Init the serial port

  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare Micro switch as input
}

void loop(){
  int val = digitalRead(inputPin);  // read input value
  if (val == HIGH) {                // check if the input is HIGH
    digitalWrite(ledPin, LOW);      // turn LED OFF
  } else {
    digitalWrite(ledPin, HIGH);     // turn LED ON
    Serial.println("Switch Pressed!");
  }
  delay(50);
}