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void setup() { // initialize the digital pin as an output. // Pin 13 has an LED connected on most Arduino boards: pinMode(13, OUTPUT); pinMode(12, OUTPUT); }void loop() { digitalWrite(13, HIGH); // set the LED on digitalWrite(12, HIGH); // set the LED on delay(1000); // wait for a second digitalWrite(13, LOW); // set the LED off digitalWrite(12, LOW); // set the LED off delay(1000); // wait for a second} |
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// constants won't change. Used here to // set pin numbers:const int ledPin = 13; // the number of the LED pin// Variables will change:int ledState = LOW; // ledState used to set the LEDlong previousMillis = 0; // will store last time LED was updated// the follow variables is a long because the time, measured in miliseconds,// will quickly become a bigger number than can be stored in an int.long interval = 1000; // interval at which to blink (milliseconds)void setup() { // set the digital pin as output: pinMode(ledPin, OUTPUT); }void loop(){ // here is where you'd put code that needs to be running all the time. // check to see if it's time to blink the LED; that is, if the // difference between the current time and last time you blinked // the LED is bigger than the interval at which you want to // blink the LED. unsigned long currentMillis = millis(); if(currentMillis - previousMillis > interval) { // save the last time you blinked the LED previousMillis = currentMillis; // if the LED is off turn it on and vice-versa: if (ledState == LOW) ledState = HIGH; else ledState = LOW; // set the LED with the ledState of the variable: digitalWrite(ledPin, ledState); }} |
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#define LED_ONE 13#define LED_TWO 12#define LED_THR 11void setup() { pinMode(LED_ONE, OUTPUT); pinMode(LED_TWO, OUTPUT); pinMode(LED_THR, OUTPUT); }void loop() { for(int i=13; i<11; i--) { digitalWrite(i, HIGH); delay(500); digitalWrite(i, LOW); delay(500); } for(int i=11; i<=13; i++) { digitalWrite(i, HIGH); delay(500); digitalWrite(i, LOW); delay(500); } } |
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int ledPins[3] = {8,9,10}; // Alle LED Pins in einem Array initialisierenboolean ledStates[3] = {false, false, false}; // Alle LED Status speichernlong previousMillis[3] = {0,0,0}; // Die Zeiten speichernvoid setup(){ for(int i=0; i<3; i++) { pinMode(ledPins[i], OUTPUT); // Alle LED Pins sind Output }}void loop(){ blinkLED(1, 100); // Aufrufen unserer Funktion blinkLED(2, 1000); blinkLED(3, 500);}void blinkLED(int _Pin, int _duration) // Eigene Funktion{ if(millis() - previousMillis[_Pin-1] > _duration) // Ist genug Zeit vergangen? { previousMillis[_Pin-1] = millis(); // Zeit speichern ledStates[_Pin-1] != ledStates[_Pin-1]; // Den LED State umdrehen (wenn AUS dann AN) digitalWrite(ledPins[_Pin-1], ledStates[_Pin-1]); // State setzen }} |
Weitere Informationen
Getting Started with Arduino – Massimo Banzi (2008)
Arduino – Die Arduino Website. Bitte anschauen…
Microcontroller – Was ist ein Mikrokontroller?
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