-On the coordinator node (only) the second LED should toggle once every 2
-seconds. On the device the second and third LED should toggle once every 2
-seconds, but with a small offset of half a second. On the device the first
-LED may toggle, but this should happen very rarely.
+The coordinator should toggle LED1 once every 2 seconds. The device should
+toggle LED1 and LED2 every 2 seconds (not necessarily simultaneously).