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Re: [AVR-Chat] Re: Need Help with a circuit

2004-08-12 by Paul Maddox

Daniel,

> oops, posted the wrong schematic... mine was still wrong, but I did
> have the transistor...  The one I ment to post is
> http://www.dpicts.com/Tiny15L-LaserDetector-2.jpg  which has the
> NPN, but I hooked up the transistor the way it is shown on page 3-2
> of the STK500 manual...

ok, don't do this, you'll still be trying to sink the current from the relay
through the AVR.

Look for an emitter follower schematic.

Paul

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