NuMaker ADC read gas sensor (MQ3)

Revision:
0:1f30d2df739e
diff -r 000000000000 -r 1f30d2df739e .gitignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Fri Oct 14 08:19:45 2016 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*