TomTom as a Bluetooth GPS

I was chatting with Steve Kingston earlier today, and it came up that he had managed to hack his TomTom Go to deliver NMEA GPS data through bluetooth to his Mac laptop. I’ve currently got 2 GPS receivers in the car – one in the TomTom for directions, and the second wired to a serial port on the laptop for when I’m wardriving and doing other GPS related stuff on the laptop.

I was only thinking the other day how much nicer it would be to be able to connect to the TomTom through bluetooth, 1. it would get rid of a gadget in the car, and 2. it would get rid of the cable connection to the laptop.

So I took a look at Steve’s post and Roberto Piola’s site and managed to get it working. The only gripe I have is that when you use the TomTom in Bluetooth GPS mode, you lose all the route finding functionality – basically you just get a black screen with a few status lines. You can’t have everything at once, and I’ll take a look at some of the scripts and see if it’s possible to run this in the background while the navigation continues. Oh, and the fact that you have to hard-reset to get out of the application – just leaves a little to be desired.

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