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Alarm Clock w/ Support for Many Alarms
by wackyvorlon
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This is the hardware for an alarm clock that supports many alarms. The design is not yet tested, and the firmware has not been written. This schematic was made using Eagle 5.6.0 with the Sparkfun eagle library. ENC1 is a Grayhill 61C11 rotary encoder, pins 4 and 5 provide quadrature outputs while 2 and 3 are either side of a momentary switch. Timekeeping is handled by a DS1307 RTC chip. Alarm is indicated via buzzer and flashing Luxeon LED. I expect there to be errors, if you find any, let
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