Here’s a great project shared on the Adafruit Forums! The final stages of completing an Arduino-powered real time Clock. And check out the great 3D printed case! From Open Clock Project.
One year later: a fully functional working prototype is complete!
The Waveshield memory constraint was solved by tricking the code into using a smaller buffer size. Diagnosis and helpful discussion on the topic with the good folks at Adafruit.
The code still needs some improvement, notably a way to “snooze” the alarm. And perhaps some devious trick to prevent a sleepy user from turning it off (a math test, perhaps!). And I need to work a bit more on the enclosure, to make it easier to build without a 3D printer.
But that’s just icing. My bad old alarm clock has now been officially retired!
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