// Lab Practice #2.5 : Multiple LED Blink At The Same Time
// define devices pin //
# define LED1 7 // External LED1 on pin 7
# define LED2 8 // External LED2 on pin 8
void setup()
{
pinMode (LED1, OUTPUT); // External LED1 as Output
pinMode (LED2, OUTPUT); // External LED2 as Output
}
void loop()
{
digitalWrite (LED1, HIGH); // LED1 On
digitalWrite (LED2, HIGH); // LED2 On
delay (1000); // Delay for 1 second
digitalWrite (LED1, LOW); // LED1 Off
digitalWrite (LED2, LOW); // LED2 Off
delay(1000); // Delay for 1 second
}