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Geir_Andersen
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Joined: Nov 18, 2004
Posts: 6
Location: Sweden
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 Posted: Mon Dec 05, 2005 4:45 pm Post subject: Wired Tomtom GPS -> Mini-USB? |
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I've got a new Qtek 9100, which have a mini-usb connector.
Is it possible to wire my Tomtom GPS to the mini-usb connector?
I guess only Tx & RX could be connected, because mini-usb is 3.3V.
Any advis would be much appreciated! |
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lbendlin
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Joined: 02/11/2002 22:41:59
Posts: 11878
Location: Massachusetts, USA
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| Posted: Tue Dec 06, 2005 4:33 am Post subject: |
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DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232.
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Lutz
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Pc-Mobile
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Joined: 26/10/2002 10:38:36
Posts: 789
Location: Hong Kong
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| Posted: Tue Dec 06, 2005 3:20 pm Post subject: |
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You cannot connect any wired GPS.
BT is the only way to connect a GPS for your PDA.
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http://pc-mobile.net/gps.htm |
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Geir_Andersen
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Posts: 6
Location: Sweden
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| Posted: Tue Dec 13, 2005 3:39 pm Post subject: |
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| lbendlin wrote: | DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232. |
Ok, but if I use a RS232 to USB converter it wouldn't fry anything right?? |
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Pc-Mobile
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| Posted: Tue Dec 13, 2005 5:23 pm Post subject: |
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| Geir_Andersen wrote: | | lbendlin wrote: | DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232. |
Ok, but if I use a RS232 to USB converter it wouldn't fry anything right?? |
There is no such thing! for your particular PDA.
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Pc-Mobile
http://pc-mobile.net/gps.htm |
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Geir_Andersen
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Joined: Nov 18, 2004
Posts: 6
Location: Sweden
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| Posted: Wed Dec 14, 2005 12:37 pm Post subject: |
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| Pc-Mobile wrote: | | Geir_Andersen wrote: | | lbendlin wrote: | DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232. |
Ok, but if I use a RS232 to USB converter it wouldn't fry anything right?? |
There is no such thing! for your particular PDA. |
A general RS232 to USB converter can be bought in most computer stores!
My PDA has a mini USB converter, so it should be possible to:
Wire the TX and RX wires from the GPS, connect then to the Converter, attach a USB to Mini USB wire, and connect to the PDA!(?) |
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Pc-Mobile
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Joined: 26/10/2002 10:38:36
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Location: Hong Kong
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| Posted: Wed Dec 14, 2005 3:00 pm Post subject: |
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| Geir_Andersen wrote: | | Pc-Mobile wrote: | | Geir_Andersen wrote: | | lbendlin wrote: | DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232. |
Ok, but if I use a RS232 to USB converter it wouldn't fry anything right?? |
There is no such thing! for your particular PDA. |
A general RS232 to USB converter can be bought in most computer stores!
My PDA has a mini USB converter, so it should be possible to:
Wire the TX and RX wires from the GPS, connect then to the Converter, attach a USB to Mini USB wire, and connect to the PDA!(?) |
Do not waste time.
It will not work.
That was why the statement "there is no such thing".
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Pc-Mobile
http://pc-mobile.net/gps.htm |
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Geir_Andersen
Occasional Visitor
Joined: Nov 18, 2004
Posts: 6
Location: Sweden
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| Posted: Wed Dec 14, 2005 3:25 pm Post subject: |
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| Pc-Mobile wrote: | | Geir_Andersen wrote: | | Pc-Mobile wrote: | | Geir_Andersen wrote: | | lbendlin wrote: | DO NOT ATTEMPT THIS! You will destroy both the receiver and the phone.
USB is NOT compatible with RS232. |
Ok, but if I use a RS232 to USB converter it wouldn't fry anything right?? |
There is no such thing! for your particular PDA. |
A general RS232 to USB converter can be bought in most computer stores!
My PDA has a mini USB converter, so it should be possible to:
Wire the TX and RX wires from the GPS, connect then to the Converter, attach a USB to Mini USB wire, and connect to the PDA!(?) |
Do not waste time.
It will not work.
That was why the statement "there is no such thing". |
Would you mind explain WHY? |
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lbendlin
Pocket GPS Staff
Joined: 02/11/2002 22:41:59
Posts: 11878
Location: Massachusetts, USA
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| Posted: Wed Dec 14, 2005 4:02 pm Post subject: |
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In a USB connection you have a client and a host (the host has the logic to drive the communication. your PDA is a CLIENT, the GPS is a CLIENT. You cannot connect two USB clients together, except if you have a special USB Host cable (which has the driving logic integrated into the cable)
If you had a Toshiba or Asus PocketPC you could enable USB Host on the PDA, and could connect a USB GPS (maybe - you may still need special drivers on the PPC side)
As said before RS232 adn USB signaling and voltage levels are completely different.
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Lutz
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