Since the BeagleBone is running a full GNU/Linux operating system, there are plenty of great tools available for us to take advantage of. Let's look at a couple of the advantages an OS gives you.
Every time you click on Run in Cloud9, it launches the program as a new process, so you can easily run many different programs simultaneously. Let's add a second transistor/LED circuit, this time using GPIO3_19 on P9.27.
For this, you will need:
Wire it up on your breadboard as shown here:
Now create a new file called