i want to use an external gps, how do i disable the built in gps
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i want to use an external gps, how do i disable the built in gps
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Wouldn't it be better to cut the power trace? If you cut the TX line the unit will still be powered and drawing current from your battery.
Here is a pic of a simple mod, you have to cut the TX trace it is the one on the end. You cut with a razor knife the solder were the GPS conects to the board. Hope the pic shows it enough. When you cut the TX trace the buss will not have to share the signal so you can plug your Aux GPS in the open port and it workd great. If you want to go back to the original on the Daughter board you just have to re-solder the TX trace.
Hope this helps
I read it in another post that basically you need to cut two of the pins that connect between the APM2 and the GPS board. I haven't tried it myself.