 turn
					the LED on, run the wait code, turn it off, run the wait code again, and then include
					a branch back to the beginning. Note, it is not necessary to re-enable the output
					to GPIO 16, we need only do that once. If you're being efficient, which I strongly
					encourage, you should be able to reuse the value of <span class="armCodeInline">r1</span>.
					As with all lessons, a full solution to this can be found on the <a href="downloads.html">
						download page</a>. Be careful to mak