// Blink LED 9 With Functions
// RW Nov 2017
// Shows how to use Functions subroutines
// Assgn Constants here
const unsigned int LED9 = 9;  // LED connected to digital pin 9

void setup()
{
pinMode(LED9, OUTPUT);  //Sets digital pin 9 as output
}

void loop()
{            // Begin Main Loop
on9();       // Execute on9 Function
delay(500);
off9();      // Execute off9 Function
delay(500);
}            // End of Main Loop



// * * * * * Subrountines * * * * *


void on9()
{           // Begin on9 Function
digitalWrite(LED9, HIGH);  // Turns LED9 ON
return;
}          // End on9 Function



void off9()
{          // Begin off9 Function
digitalWrite(LED9, LOW);  // Turns LED9 OFF
return;
}          // End off9 Function