- Category:
- SCM
- Tags:
-
[WORD]
- File Size:
- 46kb
- Update:
- 2012-11-26
- Downloads:
- 0 Times
- Uploaded by:
- yeyuwusheng
Description: When pressing the switch SP1, AT89S51 Single-chip a " ding dong" sound from the output port P1.0 to LM386, after amplification into speakers after.
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“叮咚”门铃.doc
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