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RFD900 Link

Having trouble with TX and RX from my autopilot. I am using the RFD900 link which has 5 wires ground, positive, RX, TX, and CTS "Clear to send control input".

My autopilot only has ground, TX and RX. I think my problem has something to do with the CTS

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Large Octo-V Build

I picked up a used 3DR Hexa from a guy on RC groups for flying a Go-Pro around. So far it has done exactly what I wanted. These mutirotors are one of (at least for me) the easiest things to fly. I have been flying RC planes for 20 years and helis for

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Fully autonomous flight w/o RC

Hey guys,

While testing some auto flight missions I 'discovered' the actions tab in the flight data screen. I realize that this is used for inflight commands such as RTL for a quad that deviates from the flight plan and needs to return to launch. I sa

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Fly by wire mode

We have been flying an X8 flying wing for the best part of a year and it behaves really well in manual, stabilised or RTL modes.

However we have noticed that it is super stable in fly by wire mode B, but the aircraft slowly gains altitude even with th

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2 servos burnt up

This is the second time... First time burnt 1 Hitec servo, this time 2 Hitec servos

My setup:

Powering the APM 2.5 from two power sources, both 5v (removed JP2 of course)

Heli: Futaba RX with 3 - Hitec HS 5245 MG for the collective, 1 Futaba S9275 (its

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ESCs don't respond

Hi all. My first post here, but I've been lurking for a while.

Building my first Quad (3dr Quad-C) and have been having a heck of a time. Right now the problem seems to be with two of the 3DR ESCs. I can't get them to calibrate, or even respond to pow

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