FrSky X Series Failsafe Modes

The X8R and most FrSky receivers offer 3 options for failsafe.

1. They default to hold last good command.
2. You can program a set failsafe position via the Taranis, or pushing the f/s button on the receiver while holding the channels where you would like them.
3. Push the F/S button on the receiver when the transmitter is turned off, and the receiver will not output anything when in failsafe. This is handy for many flight controllers to trigger a safety mode.

Courtesy of rotozuk.  I didn't know about the third one.

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FrSky Products: Which to Get?

FrSky products are great, but the names make it easy to jumble them together.  Here's a breakdown of the three main families of products.

Simple Purchase Advice:

• Buy a Taranis if you need a radio and if you can find one.
• Buy an XJT module if you've got a 9x, 9xr, or other JR-module compatible radio
• X8R if you want S.Port compatible telemetry or SBUS servos.
• D4R-II if your need a small Rx that supports CPPM.  Perfect for multirotors.

X Series

• module: XJT (JR)
• Smart Port, Telemetry
• receivers: X8R, X6R
• Taranis has XJT internally
• uses "smart port" sensors

D Series

• modules:  DFT (Futaba), DJT (JR)
• telemetry
• receivers: D8R-XP, D8R-II Plus, D4R-II
• uses "hub based" sensors

V8 Series

• oldest series
• no telemetry
• receivers: V8R7SP, VD5M, V8R4-II, V8R7-II, V8FR-II

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Checking out ArduCopter 2.6

king pretty good!  I went out with Andreas who had downloaded 2.6 onto his heavy lifter hex.

There's been a lot of discussion about Turnigy 9x failsafe.  The solution is simple, in both Andreas' and my opinion:  swap out the module for FrSky... cheap too, at $40 for the module and Rx.  I'll cover setting the failsafe in an upcoming post.

FrSky Voltage Monitor, with OLED screen

Well this is rather nifty... a voltage montor that shows 1-6 cells on an OLED!  It's from FrSky and designed to be part of their telemetry system, but works fine on the ground as a voltage meter.  Not bad for less than $12... I had no idea OLEDs were so cheap!

FrSky 1-6 cell voltage monitor