Alarm Clock w/ Support for Many Alarms
thingiverse
The alarm clock hardware features multiple alarms, with an untested design and unwritten firmware; created using Eagle 5.6.0 and Sparkfun eagle library. The Grayhill 61C11 rotary encoder provides quadrature outputs via pins 4 & 5 while switch is on pins 2 & 3. DS1307 RTC chip handles timekeeping, with buzzer and flashing Luxeon LED indicating alarm. Expect errors; report if found. BOM and PCB artwork are still underway, with most components surface mount. A new version of the schematic clarifies resistor and LED placements. VE3HOP
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