[Diy_efi] Fast updating (20Hz) GPS receivers for track mapping?

Brian Koontz brian
Sat Jul 16 14:12:53 UTC 2011


On Sat, Jul 16, 2011 at 03:51:22PM +0100, Chris Wilson wrote:
> These are extraordinarily expensive, being ?1200 UK pounds, about
> $1940 US Dollars. Given I am doing this as an amateur, on a tight
> budget, could I purchase something that will work the same, maybe
> not in a nice die cast box, and save myself a lot of money? Can
> anyone suggest devices to investigate that will communicate by
> RS232? I doubt I can get or work out the Can Bus info to read a GPS
> Receiver by that means. I can probably get more info on the
> protocols the Motec ecu expects, they have a webinar on using GPS
> that explains this, but the little self contained Garmin GPS18x-5Hz
> worked fine "as is" by RS232.

Disregard the last...you're looking for 20Hz updates, missed that.
Most of the hobby-grade GPS modules max out at 10Hz.  

  --Brian




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