Re: ParPort output low - hi-Z or ground?
Posted by
ghidera2000
on 2004-04-08 08:21:06 UTC
--- In CAD_CAM_EDM_DRO@yahoogroups.com, "ghidera2000" > Oh and
thanks for the 3.3 volt tip. I checked mine and the outputs
3.3V on outputs doesn't affect my on-state LED current...
However, I'm supplying +5 from the floppy connector to the leds and
the port "off" state (off to my circuit operation anyway) is 3.3v...
I still have current flowing to the parallel port... Hmmmmm
thanks for the 3.3 volt tip. I checked mine and the outputs
> are 3.3v while the input high is a full 5v. Had to adjust the ledActually, I should never post before I have my morning coffee...
> resistors (7mA just ain't enough).
3.3V on outputs doesn't affect my on-state LED current...
However, I'm supplying +5 from the floppy connector to the leds and
the port "off" state (off to my circuit operation anyway) is 3.3v...
I still have current flowing to the parallel port... Hmmmmm
Discussion Thread
ghidera2000
2004-04-07 10:56:29 UTC
ParPort output low - hi-Z or ground?
Roy J. Tellason
2004-04-07 13:11:56 UTC
Re: [CAD_CAM_EDM_DRO] ParPort output low - hi-Z or ground?
caudlet
2004-04-07 13:27:09 UTC
Re: ParPort output low - hi-Z or ground?
ibewgypsie
2004-04-07 13:36:59 UTC
Re: ParPort output low - hi-Z or ground?
ghidera2000
2004-04-07 19:45:40 UTC
Re: ParPort output low - hi-Z or ground?
JanRwl@A...
2004-04-07 21:02:58 UTC
Re: [CAD_CAM_EDM_DRO] ParPort output low - hi-Z or ground?
turbulatordude
2004-04-07 23:47:46 UTC
Re: ParPort output low - hi-Z or ground?
caudlet
2004-04-08 05:37:11 UTC
Re: ParPort output low - hi-Z or ground?
caudlet
2004-04-08 05:50:11 UTC
Re: ParPort output low - hi-Z or ground?
ghidera2000
2004-04-08 08:14:58 UTC
Re: ParPort output low - hi-Z or ground?
ghidera2000
2004-04-08 08:21:06 UTC
Re: ParPort output low - hi-Z or ground?
Jon Elson
2004-04-08 10:13:29 UTC
Re: [CAD_CAM_EDM_DRO] Re: ParPort output low - hi-Z or ground?
turbulatordude
2004-04-08 14:03:18 UTC
Re: ParPort output low - hi-Z or ground?
caudlet
2004-04-08 17:21:36 UTC
Re: ParPort output low - hi-Z or ground?
turbulatordude
2004-04-08 18:34:47 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
Roy J. Tellason
2004-04-08 19:13:14 UTC
Re: [CAD_CAM_EDM_DRO] Re: ParPort output low - hi-Z or ground? opto to parallel
afogassa
2004-04-08 20:34:24 UTC
Re: ParPort output low - hi-Z or ground?
Harvey White
2004-04-08 22:11:04 UTC
Re: [CAD_CAM_EDM_DRO] Re: ParPort output low - hi-Z or ground?
JanRwl@A...
2004-04-08 22:44:11 UTC
Re: [CAD_CAM_EDM_DRO] Re: ParPort output low - hi-Z or ground? opto to parallel
turbulatordude
2004-04-08 22:46:19 UTC
Re: ParPort output low - hi-Z or ground? - file section
JanRwl@A...
2004-04-08 22:59:19 UTC
Re: [CAD_CAM_EDM_DRO] Re: ParPort output low - hi-Z or ground?
caudlet
2004-04-09 06:56:58 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
turbulatordude
2004-04-09 07:45:08 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
ghidera2000
2004-04-09 08:15:45 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
caudlet
2004-04-09 12:03:07 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
turbulatordude
2004-04-09 19:02:53 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel
ghidera2000
2004-04-09 19:15:30 UTC
Re: ParPort output low - hi-Z or ground? opto to parallel