Smartport, Frsky XSR and Betaflight – part 2

A while back I wrote about how to modify the XSR (aka X4RS) to get at the non-inverted smartport signal so as to work with the STM32 F1 and F4 based flight controllers (F3, and F7 have the ability to invert serial communications built in). Well this is part two of that modification. The original…

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Setting up VisualGDB for building Betaflight

VisualGDB is a powerful embedded add on for Visual Studio for developing for micro-controllers such as the ARM based STM32 series from ST Microelectronics. This post shows how to setup your environment for building the popular Cleanflight, Betaflight or Raceflight flight controller firmware for multi-rotors. Once setup building and debugging software for these micro-controllers gains…

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Smartport, the FrSky XSR, and Betaflight

The Frsky XSR – also known as the X4RS (rev1) – is a new Receiver from FrSky that is super light and small, and gives you up to 16 channels for a drone. It uses the dreaded smartport for telemetry though as does all the X series from Frsky. This mod applies to X4R-SB also…

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