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KY-004 - Tastschalter

KY-004 - Tastschalter Modul

KY 004Einführung

Beim drücken der Taste wird ein Kontakt geschlossen. Im Beispielprogramm leuchtet dann die im Arduino eingebaute Leuchtdiode an Pin 13

Anschlüsse

ArduinoModul
GND Pin -
+5V Pin (middel pin) +5V
Pin 10 Pin S signal
 

Beispiel-Code

int Led = 13 ;// define LED Interface
int buttonpin = 10; // define the key switch sensor interface
int val ;// define numeric variables val
void setup ()
{
  pinMode (Led, OUTPUT); // define LED as output interface
  pinMode (buttonpin, INPUT); // define the key switch sensor output interface
}
void loop ()
{
  val = digitalRead (buttonpin); // digital interface will be assigned a value of 3 to read val
    if (val == HIGH)  // When the key switch when the sensor detects a signal, LED flashes
  {
    digitalWrite (Led, HIGH);
  }
  else
  {
    digitalWrite (Led, LOW);
  }
}
  • Zugriffe: 284

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