Blink Experiments

After completing the Blink project, test yourself by trying these experiments.

1 Modify the code so that it will turn the LED on for 2 seconds, and then turn the LED off for 1/2 a second. Blink on for 2 and off for 1/2
Remember to press the Upload button to upload and run the program on the Arduino board after each time you make any modifications to your program.
2 Modify the code so that the LED blinks like your heart beat. Blink heart beat