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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Tue, 2 Feb 1999 13:29:31 GMT
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Original-From:
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Fred G. Martin <fredm@media*Spamless*.mit.edu>
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Viewed:
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1148 times
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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:
> 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 has 2 Replies:
 | | Re: ROVER
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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 (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
| | | Re: IR
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| hi! we are currently doing our thesis and we find it difficult to program and connect the IR to the HB. could anyone please help???? -theresa (26 years ago, 9-Feb-99, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | ROVER
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| 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. (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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