Transistor switching circuit diagram

Published:2011/6/30 3:08:00 Author:Ecco | Keyword: Transistor, switching | From:SeekIC

In the Figure: when GPIO end is low, the transistor turns on, then the pin 3 output is 3. 3V; when GPIO terminal is high, the transistor is off, the pin 3 output is 0V.



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