Description

The delay() function can be used to suspend the running of the program. The pause time can be controlled by the parameters of the delay() function in milliseconds (1 second = 1000 milliseconds).

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Syntax

delay(ms)

ms: the number of milliseconds to pause.

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Example code

int ledPin = 13; // LED connected to digital pin 13

void setup() {
pinMode(ledPin, OUTPUT); // sets the digital pin as output
}

void loop() {
digitalWrite(ledPin, HIGH); // sets the LED on
delay(1000); // waits for a second
digitalWrite(ledPin, LOW); // sets the LED off
delay(1000); // waits for a second
}

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