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I'm going to show you how to update the firmware on your FrSky receiver. YOU NEED TO DO THIS ON EVERY SINGLE R-XSR YOU GET if you want to use Lua scripts and avoid "Sensor Lost" warning. But you also sometimes need to do this on other receivers, such as if you want to change the region from EU to FCC, or if you want to run FPort protocol.
How to install FPort to your receiver:
How to install Lua scripts to your OpenTX radio:
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My multimeter:
* Amazon -
FrSky R-XSR Receiver
* Banggood -
* GetFPV -
* ReadyMadeRC -
* Rotor Riot Store -
* RaceDayQuads -
FrSky XM+ Receiver
* Banggood -
* GetFPV -
* ReadyMadeRC -
* Rotor Riot Store -
* RaceDayQuads -
5v step-down regulator allows you to flash your receiver even if your radio is powered by a 3S battery
* Amazon -
* Banggood -