4. Change the code provided so that the blink rate is 0.5 seconds on and 1.5 seconds off and change the output port to pin 12. 5. Change comments and put them in your own rds to get a understanding of the programming language. the are available through the following Reference sheets other examples http://arduino.cc/en/Tutorial/HomePage 3 of 6 4. Change the code provided so that the blink rate is 0.5 seconds on and 1.5 seconds off and change the output port to pin 12. 5. Change comments and put them in your own rds to get a understanding of the programming language. the are available through the following Reference sheets other examples http://arduino.cc/en/Tutorial/HomePage 3 of 6