The £20 GPS Module Most Beginners Wire Wrong: BN-880 Setup
How to wire and configure the BN-880 GPS module for Pixhawk and ArduPilot. Covers pin functions, TX/RX wiring, 38400 baud setup, and compass calibration.
The GPS That Couldn't See Satellites: Why Placement Matters More Than the Module
Why your FPV drone GPS cannot find satellites and how to fix it. Covers VTX interference, mast mounting, cable routing, and Betaflight satellite lock testing.
The Quad That Vanished: FPV Flyaway Causes From Our Workshop Bench
Learn what causes FPV drone flyaway and how to prevent it. Covers motor order errors, board orientation, gyro drift, ESC desync, and GPS Rescue setup....
FPV Drone Buzzer Setup: How to Find a Lost Drone
How to set up a buzzer on your FPV drone to find it after a crash. Covers passive buzzers, self-powered finders, Betaflight configuration, DSHOT beacon...
Running Out of UART Ports: How We Wire GPS, VTX, and ELRS on the Same Flight Controller
Learn how to plan UART ports on your FPV flight controller. Covers ELRS receiver, GPS, VTX SmartAudio wiring priority, and what to do when you...
FPV Drone Antenna Placement Guide: VTX, GPS, and RC Mounting
How to position VTX, GPS, and ELRS antennas on your FPV build. Covers 5.8GHz video, GPS patch placement, and receiver antenna orientation plus common mistakes.
How to Set Up GPS Rescue in Betaflight: Complete Guide
Learn how to configure GPS Rescue in Betaflight for automatic return-to-home on failsafe. Covers hardware selection, wiring, parameter tuning, and common problems.
How We Got Centimetre RTK on ArduPilot with a £400 Emlid Reach M2
Learn how to integrate Emlid Reach M2 RTK GPS with ArduPilot for centimetre-level drone positioning. Covers wiring, parameter configuration, base station setup, and Mission Planner...
How to Set Up Emlid Reach as Base and Rover for RTK Surveying
Learn how to configure Emlid Reach receivers as base and rover for RTK surveying. Covers base placement, coordinate entry, LoRa and UHF radio setup, and...
CubePilot HERE3+ vs HERE4: GNSS GPS Module Comparison (2026)
Comparing CubePilot HERE3+ (M8P, single-band RTK) vs HERE4 (F9P, dual-band L1/L5, centimetre RTK). Specs, accuracy, and which GPS module to buy.
Holybro GPS Modules Compared: M10 vs M9N vs H-RTK F9P (2026)
Holybro GPS modules compared: Micro M10 vs M9N vs H-RTK F9P. Accuracy, features, and which module is right for your drone build.
How to Set Up Emlid Reach as Base and Rover for RTK Surveying
Step-by-step guide to setting up Emlid Reach receivers as base and rover for RTK surveying. Covers correction links, NTRIP, LoRa radio, and drone integration.