Unmanned Tech Blog

Updated July 2026: we rebuilt this guide from the original 2018 article using current simulator listings, official feature pages and current platform requirements.

For most new FPV pilots, Liftoff is the best first simulator because it combines a structured learning path, sensible controller setup and enough racing and freestyle con...

Quick answer: ELRS Finder turns a compatible EdgeTX radio into a simple signal-strength tracker for a missing quad. It reads the live ELRS/CRSF telemetry already arriving at the handset, smooths the reading and turns it into a large meter with Geiger-counter-style tones. Walk, sweep the radio slowly and follow the improving trend.

There is one non-negot...

A quad that merely flies is not the same thing as a quad that feels locked in, keeps its motors sane, and does not turn every propwash event into a minor engineering inquiry. Chris Rosser’s Betaflight 2026.06 course sets out a methodical route from a blank Configurator to a repeatable, data-led tune.

The Flywoo DJI O4 Wide Air Unit fixes the cramped field of view that made the original O4 Lite awkward indoors. It also adds substantial mass, because physics remains stubbornly unwilling to negotiate with FPV marketing.