Building the Ardupilot software

I've been in the embedded software business for a decade or so, but typically I've used the Keil IDE on Arm and Infineon C166 hardware, with mainly straight C and some C++ code. I'm totally unfamiliar with Arduino hardware and software builds, and un

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3DR hexacopter battery requirements.

I'm assembling my first copter, so I naturally have a great many dumb questions.When I went to the store to buy a battery I hadn't been able to find battery specs here online. I thought the guy at the store would know what I needed. Nope.Now I find t

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