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Subject: 
Re: ROVER
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Wed, 3 Feb 1999 11:39:56 GMT
Original-From: 
SHETTI.NITIN.MANGESH <SHETTIN@GIASBMC.VSNL.NETsaynotospam.IN>
Viewed: 
2995 times
  
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
> 
> > 
> > 
> 



Message is in Reply To:
  Re: ROVER
 
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: (...) (28 years ago, 2-Feb-99, to lugnet.robotics.handyboard)

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