Transistor Drivers for LEDs

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Uploaded by on Feb 10, 2011

How can you use a transistor to turn an LED on or off? Learn how a 2N3906 or 2N3904 transistor works with LEDs and how to calculate base-resistor values.

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Education

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  • much thanks ;) carry on ;)

  • transistors are not so good for LED matrix- brightness variation will result. digital MOSFET is much better FDV301 for instance.

  • thank you nice video :P helped me a lot

  • AWESOME-O

    Thank you kindly for this :)

    Learned alot of it ^.^

    Thank you again!

  • @luisrsousa That depends on the type of transistor germanium or silicone germanium has a .7 and silicone is .3

  • Nice job. Thanks!

  • 7:42 Is not 0.7 the Vec but about 0.3

  • Thanks for the video!

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