Subject:
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Logic level conversion
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 30 Nov 1998 15:07:47 GMT
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Original-From:
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DJKOZ97@avoidspamAOL.COM
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Viewed:
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2395 times
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I have a device that uses 0 - 3V logic levels for the data output.
What can I do to convert the output to match the 68HC11's 0 - 5V logic level?
Thanks for the help,
Dave
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Message has 1 Reply:
 | | Re: Logic level conversion
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| To convert from 0-3 to 0-5 I would suspect that all you need is a 2N2222 NPN transistor with a couple of resistors to bias it. For example: +5volts 100 ohm resistor collector ---...---0-5 input 0-3v output -----1k resistor ----- base emitter 0volts (...) (26 years ago, 30-Nov-98, to lugnet.robotics.handyboard)
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