Title:
Thecontroloftrafficlights
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- Category:
- SCM
- Tags:
-
[WORD]
- File Size:
- 147.47kb
- Update:
- 2008-10-13
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- Uploaded by:
- xinglei1987
Description: 1. Through the parallel port 8255A to control LED brightness light-emitting diode out. 2. A population control a red light, B I control yellow, C green population control. 3. Output of 0-liang, the output for an out. 4. Using 8253 to control the transformation of time from time to time.
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