Knowledge Base

Learn how to configure GPS Rescue in Betaflight for automatic return-to-home on failsafe. Covers hardware selection, wiring, parameter tuning, and common problems.

Learn how to tune PID values on your FPV drone flight controller. Covers P, I, and D gains, Betaflight filter settings, common oscillation fixes, and...

Step-by-step Betaflight flight controller setup guide. Covers firmware flashing, receiver wiring, motor configuration, PID tuning, and choosing the right FC for your build.

How to set up ExpressLRS telemetry on your FPV drone. Covers wiring, Betaflight configuration, telemetry ratios, and troubleshooting common problems.

Your FPV drone wont arm? This troubleshooting guide covers the most common reasons Betaflight and iNav block arming, from USB connections to receiver issues.

Built-in ADC current sensors on flight controllers have 10-20% error. External Hall effect sensors offer 1-2% accuracy for reliable OSD battery monitoring.

How to calibrate ESCs in Betaflight and ArduPilot. Covers Motors tab calibration, radio setup, and troubleshooting uneven motor performance.

F4, F7, and H7 are the main flight controller processor families. Learn which one suits your FPV build, from budget freestyle to GPS-equipped long range.

Step-by-step guide to picking a flight controller for your FPV drone. Covers processor, size, UARTs, features, and firmware compatibility.

Step-by-step guide to flashing Betaflight firmware on your flight controller and setting up the basics for your first flight.

Blackbox logging records your drone's flight data like an aeroplane's black box. Learn how to use it to tune PIDs and debug flight issues.

A flight controller is the brain of your FPV drone. Learn what it does, what components it has, and why it matters for how your...