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light alarm clock project using msp430

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Until Grahamf72 updated the useful RTC_plus library, i have played around with 555 timers as an external buzzer controlled by msp430 launchpad ^_^

I am sharing the basic diagram and also the video. I guess the alarm sound is much more powerful than before (in cost of extra circuitry : / )




Video Link:



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yeah i know.. but i will work more on it : )

i need some advice about cases and interface as well.. that is another (and important) issue..

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