microbit pca9685 demo

Dependencies:   MicroBitPCA9685 microbit

Revision:
0:a46cb73d2e3e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MicroBitPCA9685.lib	Fri Jan 13 21:15:52 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/Asimov/code/MicroBitPCA9685/#429b0b439bc1