How to read COG and Velocity(3D) from (3DR GPS uBlox LEA-6h-002) using APM 2.5 (ArduPilot Mega 2.5)?
The connection is made by the SPI port (not the UART port), as shown in the following images:
http://s2.subirimagenes.com/otros/previo/thump_878803210.jpg
http://s2.subirimagenes.com/fotos/previo/thump_8788034dsc0053.jpg
Basically I need a code (Ardui
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