This simple program displays either "A" or "B" on LED matrix when you press A/B button built-on micro:bit and any compatible devices (such as chibi:bit)

Dependencies:   microbit

Revision:
0:520a08b6329a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/microbit.lib	Fri Aug 12 04:17:51 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/Lancaster-University/code/microbit/#4b89e7e3494f