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 , 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 […]