mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-12 23:08:52 +01:00
25 lines
710 B
C++
25 lines
710 B
C++
/*
|
|
Blink
|
|
Turns on an LED on for one second, then off for one second, repeatedly.
|
|
|
|
This example code is in the public domain.
|
|
*/
|
|
|
|
// Pin 13 has an LED connected on most Arduino boards.
|
|
// give it a name:
|
|
int led = 13;
|
|
|
|
// the setup routine runs once when you press reset:
|
|
void setup() {
|
|
// initialize the digital pin as an output.
|
|
pinMode(led, OUTPUT);
|
|
}
|
|
|
|
// the loop routine runs over and over again forever:
|
|
void loop() {
|
|
digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
|
|
delay(1000); // wait for a second
|
|
digitalWrite(led, LOW); // turn the LED off by making the voltage LOW
|
|
delay(1000); // wait for a second
|
|
}
|