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From: "Richard Soennichsen"
Subject: Re: Driving Seven-Segment displays
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
NNTP-Posting-Date: Fri, 10 Jan 2003 16:24:56 EST
Organization: Prodigy Internet http://www.prodigy.com
Date: Fri, 10 Jan 2003 21:24:56 GMT
I think the transistor array would work but I cannot find a readily
available product (digikey). Are there other hardware alternatives? How
about a 7447 BCD to 7-segment decoder? This is a five volt part where my
micro is 3.3V but I can have a seperate 5V supply and the Voh and Vol seem
"Richard Soennichsen" wrote in message
> I need to drive two seven segment displays from microcontroller. The
> application voltage is 3.3V. What is the best way to do this and provide
> enough current for bright displays? I have enough pins to drive each
> segment or I thought maybe using a shift register?
> Thanks for the help
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