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Topic: GPS guided arduino help and advice (Read 907 times) previous topic - next topic

tawandapro

Hello everyone i was wondering which gps module/ kit would be good for making a gps guided robot.? i want to make a robot capable of navigating from point a to point b by itself but there seems to be a lot of modules for sale.
so far i have found:
http://www.ebay.com.au/itm/1PC-Ublox-NEO6MV2-GPS-Module-Aircraft-Flight-Controller-For-Arduino-New/350849933793?_trksid=p3984.m2206&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D31%26meid%3D2230964419490146483%26pid%3D100052%26prg%3D1023%26rk%3D1%26rkt%3D9%26sd%3D350849933793%26

http://www.ebay.com.au/itm/Skylab-UART-Serial-GPS-Module-For-Arduino-uController-with-Breakout-Board-Pins-/310706650387?pt=AU_Boat_Parts_Accessories&hash=item48578f3d13&_uhb=1

MarkT

The best way to judge a module is to see which chipset it uses and look for
chipset reviews.  One of those units definitely claims to have a backup battery,
which is definitely worth having (acquisition times faster from cold).

Sometimes you need an external antenna, that's an important factor.

Sometimes you want fast update, modules can be 1 update/sec, 5 update/sec, 10 update/sec,
typically, so check that spec.

But basically they should all be interchangeable if them speak standard NMEA sentences
(watch out for 3.3V v. 5V issue though).
[ I won't respond to messages, use the forum please ]

tawandapro

Thanks for your reply. i will definitely look into that.  :smiley-yell: Have you come across a tutorial about gps robots you highly recommend?
Thank you

michinyon

What sort of robot did you have in mind ?

The main problems with using GPS for experimental robots are (a)  it doesn't work well indoors   and (b)   the random errors in position calculations of roughly 2-3 metres create a lot of practical difficulting in using GPS for small-scale and low speed applications.

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