NuMaker PWM0 play notes (to speaker)

Revision:
0:c3a30c36f19d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Fri Oct 14 06:13:22 2016 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*