ARDUINO UNO based MULTIPLE LED blinking program INTERFACING WITH PROTEUS software
source code is given below
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/ the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
}
// the loop function runs over and over again forever
void loop()
{
digitalWrite(13, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(13, LOW); // turn the LED off by making the voltage LOW
digitalWrite(12, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(12, LOW); // turn the LED off by making the voltage LOW
digitalWrite(11, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(11, LOW); // turn the LED off by making the voltage LOW
digitalWrite(10, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(10, LOW);
digitalWrite(13, HIGH);
delay(1000); // wait for a second
}