DPRG
DPRG List  



[DPRG] Dot matix programming problem

Subject: [DPRG] Dot matix programming problem
From: Francesco De Comité Francesco.De-Comite at univ-lille1.fr
Date: Mon Apr 14 15:20:53 CDT 2008

Hi, I am looking for some help on a little problem I encounter, while 
trying to program a dot matrix circuit (namely KingBright TA21-11EWA), 
using microchip's PIC18F4620.
The last dot of a column, if near from a lit pixel, also seems lit. 
What's could be the reason of that ? Any idea ?
Wiring detail : http://www.flickr.com/photos/fdecomite/2413690327/

Little video illustrating the problem : 
http://www.flickr.com/photos/fdecomite/2414510950/

Source code : http://users.tvcablenet.be/personal/tvcn28401/dotmatrix.c

Thanks in advance for your help !

Francesco De Comité

More information about the DPRG mailing list

Copyright © 1984 - 2006 Dallas Personal Robotics Group. All rights reserved.
Website Design by NCC

For the latest robot news visit robots.net