How to add SD card to your old flight controller

The inspiration for doing such an upgrade, was willing to try new open source video stabilization tools (find out more https://www.facebook.com/groups/fpvtools/) , which make possible improve footage virtually from any camera. Not all of my flying machines are equipped with the latest FC having SD card slots, so i decided to build stand alone, betaflight […]

Lumenier AXII HD antenna measurements

Introduction Recently I bough set of Lumenier antennas to upgrade my DJI FPV goggle. It looks quite good (except strange rattle sound when shaking stubby antenna) but I decided to perform simple measurements to compare it to stock DJI antennas. Measuring reflected power As you already know, professional RF measurement tools for 6GHz band cost […]