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ESE350 Final Project

Conventional sundials are limited in accuracy and depend on bright sunshine. The HC11 Sundial solves these problems by displaying time on a 7-segment display and beeping when the hour changes. It can also be used for solar panel tracking, improving energy generation efficiency, and has potential for additional features like alarm and internal counting for sun-less hours. This device serves as a valuable learning tool for teaching timekeeping to primary grades with its digital-analog bridge.

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ESE350 Final Project

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  1. Armand O’Donnell Noah Robbin Mudit Jaju ESE350 Final Project A Post Modern Sundial

  2. Why do you need an HC11? • Conventional sundials are limited in three main ways: • Bright sunshine is required for them to work • Usually only accurate to the hour • They’re big and clunky

  3. Why do you need an HC11? • Using an HC11 we solve none of these problems, but we now have a sundial that will impress our friends • The HC11 takes the guess work out of reading the sundial, the time is now conveniently displayed on a 4 digit 7-Segment Display • It also beeps when the hour changes (very cool)

  4. Seriously, why would I use this? • The current prototype is used to control a servo to keep a solar cell pointed at the sun which maximizes power generation • Attaching this device to solar panel array would provide low-cost tracking which can improve generation efficiency dramatically • If accuracy could be improved (through the EASY addition of more cells), this device would turn into a self-setting/correcting clock • Additional features such as an alarm and internal counting for sun-less hours could be added with minimal extra programming • Correctly packaged, this device would make an excellent learning tool for the primary grades • In today’s world, children are much more comfortable with digital readouts. Our HC11 Sundial would help learning about time-keeping by providing the necessary bridge between the digital and analog world

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