Quozl’s Alarm Clock using PIC16F877

Old Alarm Clock Problems

• wake’s Quozl’s wife, a side-effect,
• needs to be armed each evening,
• 12-hour clock, cannot be armed more than 11.5 hours before alarm time,
• triggers at plus or minus ten minutes, depending on how it was dropped,
• battery cover needs to be removed to change time,
• changing time at daylight saving loses minutes and seconds,
• immitated by rural birdlife, causing false triggers,
• second hand has failed from repeated dropping,
• closed source implementation.

New Alarm Clock Features

• wakes Quozl up each day,
• doesn’t wake Quozl’s wife,
• defaults to wake Quozl up the next day, doesn’t need to be told,
• can be told at any time in the previous day not to wake Quozl up,
• can be configured accurately without having to hold buttons down,
• can emit per-second tick noises, or not,
• can emit tones in response to key presses, or not,
• can be told that Quozl is on holidays,
• changing time for daylight saving can retain minutes and seconds,
• open source, capable of being further hacked.

Not yet features

• automatic daylight saving transitions,
• gradual daylight saving alarm time shifts,
• weekend alarm suppression,
• recording of how long it took to wake Quozl up,
• serial port for GUI configuration,
• synchronisation using NTP or rdate over PPP or SLIP,

For more detail: Quozl’s Alarm Clock using PIC16F877

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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