Drone on FOSS Engineer https://fossengineer.com/tags/drone/ Recent content in Drone on FOSS Engineer Hugo en-US Sun, 19 Jul 2026 16:31:49 +0200 Betaflight - Open Flight Controller Firmware You Can Actually Inspect https://fossengineer.com/betaflight-open-flight-controller-firmware/ Sun, 19 Jul 2026 08:00:00 +0200 https://fossengineer.com/betaflight-open-flight-controller-firmware/ <strong>Betaflight</strong> is GPL-licensed open flight-controller firmware for FPV drones and fixed-wing craft. I inspected the source, hydrated the board configs, built the SITL target locally, ran the CRSF unit test, and mapped how it connects to the previous ExpressLRS recovery story. ExpressLRS - Rebuilding an Old Receiver Target as FCC Firmware https://fossengineer.com/expresslrs-fcc-firmware-success-story/ Fri, 17 Jul 2026 10:00:00 +0200 https://fossengineer.com/expresslrs-fcc-firmware-success-story/ <strong>ExpressLRS</strong> is an open-source radio-control link for FPV and RC hardware. This post is a success story: a second-hand drone receiver had an old target name and the wrong regulatory profile, so I used the OSS repos, git history, PlatformIO, and a local compatibility patch to rebuild the exact 3.2.0 WiFi firmware as FCC/ISM and connect it to a RadioMaster Pocket.