Despertador por rtc I2C, encoder, LCD y buzzer

Dependencies:   QEI RTC-DS1307 TextLCD mbed

Revision:
0:e078f69875aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC-DS1307.lib	Sun May 29 17:52:00 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/leihen/code/RTC-DS1307/#5627b407e097