- Category:
- SCM
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[Text]
- File Size:
- 2kb
- Update:
- 2014-03-11
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- Uploaded by:
- wang
Description: 1 Use PCF8563T ZLG7290B display real-time clock chip and circuit combine to form a clock system. 2 of 8 digital tube display the current time, and through a push-button switch, the display when not pressing the " hours, minutes, seconds," when pressed displays " year, month and day." (3) to achieve the whole point timekeeping (a total of five sound- for the bass tones before finally heard the whole point corresponding to the treble). 4 can be set via the keyboard current time (hours, minutes, seconds)
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Automatic timekeeping.txt