Subject:
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Re: ROVER
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 3 Feb 1999 11:39:56 GMT
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Original-From:
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SHETTI.NITIN.MANGESH <SHETTIN@GIASBMCantispam.VSNL.NET.IN>
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Viewed:
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791 times
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Dear Mr Fred Martin,
Thank you for your reply.
We have used all HC chips in the handyboard.
Yours sincerely,
Nitin
On Tue, 2 Feb 1999, Fred G. Martin wrote:
> are you using 74HC04, and not plain 7404? you must use all HC type
> chips in the Handy Board.
>
> fred
>
> In your message you said:
> > Dear Mr Fred Martin,
> > I hope you remember that we in India were making a rover ,which in
> > the end ran into some problems.We had to present the inoperational rover
> > only for the exhibition. Now,after the exhibition we are trying to make
> > the rover work.
> > We have noticed two things-7404 is not being accepted by the handy
> > board,this is inspite of the fact that 7404 tests fine with the digital IC
> > tester.
> > The 74138 pins must be pulsing according to the handy board
> > assembly manual, but when we checked it wasn't.
> > Can anybody make sense of what is going on? Please reply soon.
> > Yours sincerely,
> > Nitin
>
> >
> >
>
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Message is in Reply To:
 | | Re: ROVER
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| are you using 74HC04, and not plain 7404? you must use all HC type chips in the Handy Board. fred In your message you said: (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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