24 lines
543 B
C++
24 lines
543 B
C++
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#include <Arduino.h>
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const int buttonPin = 4; // Reed switch - don't forget the pull down resistor.
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const int ledPin = 2; // Internal LED
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void setup() {
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Serial.begin(9600);
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// initialize the pushbutton pin as an input
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pinMode(buttonPin, INPUT);
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// initialize the LED pin as an output
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pinMode(ledPin, OUTPUT);
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}
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void loop() {
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int buttonState = digitalRead(buttonPin);
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Serial.println(buttonState);
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if (buttonState == HIGH) {
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digitalWrite(ledPin, HIGH);
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} else {
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digitalWrite(ledPin, LOW);
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}
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delay(500);
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}
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