Making Your Own GPS to iPAQ Cables
1) A disassembled four pin connector from Pfranc, which is used with GPS 12 and other
similar GPS receivers. [MORE]
2) Assembled cable with GOMADIC iPAQ connector and Pfranc eTrex connector.
[MORE]
3) A disassembled GOMADIC connector. NOTE: The pinouts for the 3800+ / 3700- series iPAQs
differ! Make sure you consult proper documentation before attempting to create your own cable.
[MORE]
You will need a base connector to your handheld, an appropriate connector to your GPS, and a length of wire (three conductor).
The pinouts for the iPAQ 22 pin base connector are as follows:
Pin out 22 Pin Cradle Connector iPAQ side.
1 V_ADP
2 V_ADP
3 V_ADP
4 V_ADP
5 Reserved - Do Not Use
6 RS232 DCD
7* RS232 RXD
8* RS232 TXD
9 RS232 DTR
10* GND
11 RS232 DSR
12 RS232 RTS
13 RS232 CTS
14 RS232 RING
15* GND
16 No Connect - Do Not Use
17 USB Detect
18 No Connect - Do Not Use
19 USB - UDC +
20 No Connect - Do Not Use
21 USB - UDC -
22* GND
Shell tied to GND
You will need to match the TXD, RXD, and GND from the iPAQ and GPS receiver
connector. Always make sure to test your connections before connecting the devices.
There are some useful tutorials :
Pfranc Garmin 4 pin to DB9
Pfranc eTrex cable assembly
LINKS
How to run Linux in the iPAQ - how did this get here?
Compaq Parts Store - YES IT'S TRUE!
Colored sleeves for the iPAQ!
Have someone just make me one!