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Alarm clock

(Programmable Alarm Clock circuit)
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AT89C2051 Microcontroller based alarm clock
Alarm clock based on AT89C2051 Microcontroller with the Dallas DS1307 64 X 8 Serial Real Time Clock IC to build a Battery Backed Alarm Clock.
(10-May-2007)---933

Programmable Alarm Clock Using the Atmel AT89C2051
Using the Atmel AT89C2051 2K Flash Microcontroller/Dallas DS1307 to build an Alarm Clock.
(13-Sep-2005)---341

Shock Alarm Clock
This alarm clock shocks you awake, the shock even gets stronger the longer you let it go.
(02-Apr-2007)---903