Re: Parallel Port driver question

On Thu, Oct 31, 2002 at 08:04:09AM +0000, Caleb Tennis wrote:
> I'm thinking about using the parallel port driver for some cheap DO for a 
> christmas light display.  

You are, of course, planning on sharing pictures?

> Does anyone know/remember the voltage/current specs on the pins?  Are they 
> 0-5V, or do they do negative?  Anyone know how much current they source?
> 
> My memory seems to make me think that it's 0-5V and about 0-10mA.

I get my info from http://www.beyondlogic.org/.  In the past,
I've always used a buffer at the far end of the printer cable,
since otherwise the transients tend to get picked up on the
acknowledge line.



dave...

Received on 2002-10-31Z20:10:34