can use the usb to Parallel for programming ?

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http://www.wantong3w.com/alpic/USB-connect/UE-PA15CC_01.jpg

Is USB to Parallel for programming is the same of the Parallel port in the case of computer . i need to control the voltage . because laptop not have it ^_^

thanxxx

Posted 1-Aug-13 22:42pm

ayad0net

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Gishisoft · Answer 1 · 2013-08-01T23:55:00

Solution 1

Yes of course, all of them are using Bits. so in order to solve your problem. pls read this article. Its up to you how will you able to design your diagram. :)

http://logix4u.net/parallel-port/15-a-tutorial-on-parallel-port-interfacing

Don't forget to accept my answer and give me 5 votes!

Posted 1-Aug-13 23:55pm

Gishisoft

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ayad0net 2-Aug-13 10:05am

but i need to use the cable same as the pic >>>> http://www.wantong3w.com/alpic/USB-connect/UE-PA15CC_01.jpg

thank u again

OriginalGriff · Answer 2 · 2013-08-01T23:57:00

Solution 2

I'm not sure what you are trying to do, (and your link doesn't help, it doesn't work for me) but a USB parallel port will act pretty much like a built in one - though you may have to install drivers.

But you can't "control the voltage" on any PC parallel port - just raise and lower the output signals.

Posted 1-Aug-13 23:57pm

OriginalGriff

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ayad0net 2-Aug-13 10:10am

thank u for answer me but i need only to get 5 volt controlled from c# i.e when give the instruction it give me 5 volt , when i stop the give me 0 volt .

if u have any another idea to control , give it :) thanx again

OriginalGriff 2-Aug-13 10:26am

You don't necessarily get 0V or 5V from a parallel port - it's a TTL compatible voltage with a "nominal" 5V, but in practice anything above 2.4V is a 1, and below is a 0 - it's also very low current (as you'd expect from TTL) so you can't use it to drive much, it's signal data only.

Have a look at this:
http://www.codeproject.com/Articles/4981/I-O-Ports-Uncensored-1-Controlling-LEDs-Light-Emit
It's old, but still pretty relevant.

ayad0net 2-Aug-13 10:56am

thanx ,OriginalGriff my problem in laptop parallel port dose not exist then i want to use

the cable same >>> http://www.wantong3w.com/alpic/USB-connect/UE-PA15CC_01.jpg

Anyway thank u ^_^