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Unknown Device

I have been using the APM 2.5 and haven't had a problem finding the COM to connect within Mission Planner.  I now have an APM 2.6 that I am trying to setup.  Although, I am not able see the Arduino Mega 2560.  I have the drivers on the hard drive (Wi

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Reverse polarity

I have been flying a 3DR Quadcopter for about 8 months and made a huge mistake by touching my battery leads to the power cable in reverse polarity - I didn't plug it in, the connectors just touched. That was enough to do something to my APM 2.5. When

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Having RTL problem

Hi All, I hope I am posting in the right area.

I have a TBS discovery Quad with APM 2.5 and latest MP and firmware wanting to do 1-2 range km FPV. Using RCtimer SK30A esc's and rctimer 750KV motors, imrc 5.8ghz 500mw vtx.

The issue I have is using the

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