Dot Matrix LED clock with RTC ver1.0

Dependencies:   ds3231 mbed

Revision:
1:5577d93280da
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ds3231.lib	Tue Aug 11 05:02:15 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/Maxim-Integrated/code/ds3231/#11630748e2f2