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- SCM
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[WORD]
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- 46kb
- Update:
- 2012-11-26
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Description: Switch connected to the P3.7/RD pin SP1, P1 in the AT89S51 microcontroller port has four LEDs connected, when power, L1 connected to the P1.0 pin at the flashing LED on, when every time you press When the switch SP1, L2 connected to the P1.1 pin on the LED is flashing, then press the time switch SP1, L3 connected to the P1.2 pin on the LED is flashing, then press the switch to SP1, time, L4 connected to the P1.3 pin on the LED is flashing, then press the switch to SP1, when they turn in the blink of L1, so turn down.
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