Mercury Tilt Switch Module with Light

Description

Light Cup Code

/* SETUP

Light Cup       Arduino
-         -     GND
+         -     5V
S         -     D10
L         -     D13
*/
 
int Led = 13;   // Declaration of the LED-output pin
int Sensor = 10;    // Declaration of the sensor input pin
int val;    // Temporary variable
  
void setup () {
  pinMode (Led, OUTPUT) ; // Initialization output pin
  pinMode (Sensor, INPUT) ; // Initialization sensor pin
  digitalWrite(Sensor, HIGH); // Activating of the internal pull-up resistor
}
  
void loop () {
  val = digitalRead (Sensor);   // The current signal from the sensor will be read
  
  if (val == HIGH)    // If a signal will be detected, the LED will light up.
  {
    digitalWrite (Led, LOW);
  }
  else
  {
    digitalWrite (Led, HIGH);
  }
}