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Index > Windows > USB...is it the end of interfacing with a homemade devices

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Jmac



Joined: 23 Nov 2009
Posts: 54
Jmac
Hi all..

Just looking at the interfacing of a laptop with external projects using the Lpt1 or serial ports...

Luckily I have one older laptop with both these ports and a newer one with just the Lpt1 port......

But these days are coming to an end quickly it seems...

I have yet to see much programming of USB ports and how to get the external devices to be recognized by the computer.....there are kits I have seen.....but there must be some simpler method.....maybe ..I don't know.
Post 09 Apr 2010, 03:25
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shoorick



Joined: 25 Feb 2005
Posts: 1608
Location: Ukraine
shoorick
the simpliest solution i see is usage of MCU with USB interface, programmed to set or report port bits receiving commands from PC. or similar through RS232 - most of cellular phone cables are USB<->RS323 converters. (just theoreticaly - luckily my PC-s still have my favorite LPT)
Post 09 Apr 2010, 05:32
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17667
Location: In your JS exploiting you and your system
revolution
I use these in all my boards.
Post 09 Apr 2010, 06:02
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Jmac



Joined: 23 Nov 2009
Posts: 54
Jmac
Hi all...

I have not yet taken a look at that site Revolution.

I have found a supplier of PIC that have a USB interface and also a USB experimenters interface kit...

The kit costing around $70 and the PIC's around $50......this is before building the device needed....getting costly for something that may have only been that cost using common components and a direct computer connection...

This is probably a silly question as I have not looked into it...but how hard could it be to provide the code on a project to allow USB connection...From what I have seen they look like 20 character long ID's.......

A port can't be fooled into thinking it is seeing something connected using the specific Id from within the program ??
Post 10 Apr 2010, 10:57
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garystampa



Joined: 25 May 2011
Posts: 52
Location: Central FLorida
garystampa
Won't a USB to Serial Port converter handle this problem? They cost about $10 USD.
Post 02 Jun 2011, 18:37
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bitshifter



Joined: 04 Dec 2007
Posts: 764
Location: Massachusetts, USA
bitshifter
OMG your PC has USB Shocked
Some day i waill have USB to then Smile
(I just got new x80286 yesterday, woohoo)
Post 02 Jun 2011, 19:46
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Enko



Joined: 03 Apr 2007
Posts: 678
Location: Mar del Plata
Enko
shoorick wrote:
the simpliest solution i see is usage of MCU with USB interface, programmed to set or report port bits receiving commands from PC. or similar through RS232 - most of cellular phone cables are USB<->RS323 converters. (just theoreticaly - luckily my PC-s still have my favorite LPT)

only the old cable for celulars used this interface.
Some of them come with ArkMicroUsbToSerial interface and other with Prolific Usb To Serial. I guess both rs232

Nokia: ca42 (6101-6103), dku-5 (3220) ca42 and dku-5 are preaty much the same.

LG: 4015, MG185, MG220, MG200 come with this interface too.

Samsung: x486, x636, x156, c506

Motorola: Never... all are Mini or Micro Usb Cables.
Post 02 Jun 2011, 21:50
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