Arduino Tutorial for Beginners – Setup And Loop Blocks + light LEDs right to left

main.cpp

#define myAnodeLed1 10 // Define pin to easily change
#define myAnodeLed2 9
#define myAnodeLed3 8
#define Led_On_Off 500
void myFn()
{
digitalWrite(myAnodeLed1,HIGH); // OUTPUT 5 Voltage at pin 10
delay(Led_On_Off); // Delay 500ms (0.5s) as we set above
digitalWrite(myAnodeLed2,HIGH); // OUTPUT 5 Voltage at pin 9
delay(Led_On_Off);
digitalWrite(myAnodeLed3,HIGH); // OUTPUT 5 Voltage at pin 0
delay(Led_On_Off);
digitalWrite(myAnodeLed1,LOW); // OUTPUT 0 Voltage at pin 10
delay(Led_On_Off); // Delay 500ms (0.5s) as we set above
digitalWrite(myAnodeLed2,LOW); // OUTPUT 0 Voltage at pin 9
delay(Led_On_Off);
digitalWrite(myAnodeLed3,LOW); // OUTPUT 0 Voltage at pin 0
delay(Led_On_Off);
}
void setup()
{
// put your setup code here, to run once:
pinMode(myAnodeLed1,OUTPUT); // Setup pin 10 is OUTPUT
pinMode(myAnodeLed2,OUTPUT); // Setup pin 9 is OUTPUT
pinMode(myAnodeLed3,OUTPUT); // Setup pin 8 is OUTPUT
}
void loop)()
{
// put your main code here, to run repeatedly:
myFn(); // Call myFn function to to run code
}