AVR-Chat

I don't know if this will fit but google "uln28003a". This is a relay driver
chip. I has protection diodes built in. It can drive 8 relays or you can
parallel the output for higher current relays. You can control it right from
the output pins of the micro.

JoeT

-----Original Message-----
From: Paul Maddox [mailto:P.Maddox@signal.qinetiq.com]
Sent: Thursday, August 12, 2004 2:47 AM
To: AVR-Chat@yahoogroups.com
Subject: Re: [AVR-Chat] Re: Need Help with a circuit




> 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...





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