Mike Cox's Discussions (3)

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Double Backflip into the ground - APM 2.5

I was doing a quick test flight after a rebuild (crash due to lost signal and failsafe not setup) and all seemed well.  I was at the end of about a 5 min flight where I was going into and out of Loiter and Alt Hold and had just come out of Alt hold i

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Arm/Disarm Alerting

I have been doing some searching but haven't been able to find out if there is any alert options for when the copter is armed/disarmed.  

Other controllers usually have some sort of sound when that state changes.  I know there is the one LED on the bo

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3DR Radio Telemetry Kit - 433 Mhz Modules

Does anyone know why the 433 Mhz Telemetry kit comes with two "Air" modules unlike the 915 Mhz kit which has the "Ground" module with the built in USB.

Is there some advantage to two air modules vs the ground?  At first I wanted to use the 433 because

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