APM 1.4 2560 + MTK GPS problem update new firmware

Hi all,

I just start with this APM 1.4 2560 + MTK GPS. I have update the MTK firmware to the newer version.

But have some problem with the GCS. The flight version is ArduCopter 2.9.1 for X quad.

Here is the problem on GCS

It wouldn't ARM and the GPS aren

Read more…