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 Robotics / Handy Board / 2008
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Subject: 
Re: serial connection
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Wed, 23 Apr 1997 05:36:56 GMT
Original-From: 
Chuck McManis <cmcmanis@netcom*ihatespam*.com>
Reply-To: 
cmcmanis@netcom.!NoSpam!com
Viewed: 
4023 times
  
Tunde Gyurics wrote:
> 
> Hi,
> 
> I am still trying to get the PC-Handyboard connection to work.  I got as
> far as downloading the pcode_hb.s19 file successfully.  After I turn the
> main board power off and back on (reset), I should get a message on the
> LCD screen ("Interactive-C v 2.81 9/28/93...") but instead the LCD screen
> just stays lit on, without displaying any messages.


Your LCD is bad. Either the logic to it is in error (check for
an open on the E pin) or the LCD itself is non-functional.
If IC cannot talk to the LCD it won't run.

--
--Chuck McManis       http://www.professionals.com/~cmcmanis/index.html
All opinions in this message are those of the author. No warranty as to
the suitability or accuracy is stated or implied. Use at your own risk.
cmcmanis@netcom.com                                     +1.408.524.4805



Message has 2 Replies:
  Re: serial connection
 
(...) and then Chuck McManis wrote: (...) Not necessarily. There could be a problem with the memory circuit that is preventing pcode_hb.s19 from loading properly. Tunde, use a multimeter to check all of the connections in the memory circuit (...) (30 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
  Re: serial connection
 
Yep, My lab partner and I had an intermittent "fade to blank" problem that we solved by putting in a new LCD. jm (...) (30 years ago, 23-Apr-97, to lugnet.robotics.handyboard)

Message is in Reply To:
  serial connection
 
Hi, I am still trying to get the PC-Handyboard connection to work. I got as far as downloading the pcode_hb.s19 file successfully. After I turn the main board power off and back on (reset), I should get a message on the LCD screen ("Interactive-C v (...) (30 years ago, 22-Apr-97, to lugnet.robotics.handyboard)

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