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Wednesday, July 16, 2003
Alright here it is, the $20Cdn($15 US) GPS. I've taken a few photos, sorry about some of them being a little out of focus I don't have a tripod. As I've written before, this GPS is the same one found in some of GM's vehicles with the OnStar system. The units are manufactured by Motorola(they are the Microsoft of the electronics world). They love to have their own proprietary standards, GOOD luck trying to get any information from them unless you give up any of your future children and their future children. You might think this is funny, but trust me, I know what I speak of.
Lets get to those photos.
* Top side of the GPS: GPS1
* Bottom Side: GPS2
* Side by Side comparison to a stick of SDRAM: GPS3 nice and small.
* The unit needs a interface to convert the data coming out of the GPS into RS232(serial port) format: Interface1
* This interface was built at work since we have a milling machine to cut the board: Interface2
* Putting it all together, this photo is of the GPS and RS232 interface placed together: Piggyback
* You might have have noticed there isn't a LCD display or a external antenna. The LCD display isn't a issue since the computer is the LCD display, there are tons of applications(in a future blog I'll post a few links to those applications) out there to interface the output of the GPS into a human visual format. The Antenna was easy to get, at my workplace we develop products that use GPS devices and we had some extra Antenna1/Antenna2 laying around, so lucky me I was able to grab one.
Out of the box this GPS kicks into Motorolas own format instead of using the world wide known standard of NMEA. Most if not all GPS applications I've used are expecting NMEA format. Before using any applications be it NetStumbler or anything else, a small windows application that switches the Motorola GPS into the NMEA is used. The Source Code found at this site.
Later this week, I hope to have it all in box and all pretty :) One thing I'm planning on doing as well, is have my Thinkpad 770x powered off the vehicles 12v power. This will also clean up the passenger side of the car, that way I don't have to cart with me a Power Inverter. Photos will be taken once it's all ready to go.
I'm still planning to do the comparison of NetStumbler and Kismet this Friday. So keep on coming back to this blog.
Enjoy folks.
logged by Digiital( ) at Wednesday, July 16, 2003
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