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.

Jun 20, 2026 4 min read
We Mapped 40 Acres with the Emlid Reach M2: Here Is the Exact Setup

We Mapped 40 Acres with the Emlid Reach M2: Here Is the Exact Setup

Complete Emlid Reach M2 setup guide for drone mapping. Covers PPK and RTK modes, wiring to your flight controller, antenna placement, and Emlid Flow configuration.

Jun 08, 2026 4 min read
We Watched Dozens of Hand-Launches Fail Before We Understood Drone Catapults

We Watched Dozens of Hand-Launches Fail Before We Understood Drone Catapults

Why hand-launching fixed-wing UAVs crashes more aircraft than any other phase of flight. Covers catapult launcher setup, compatible platforms, and autolaunch integration for survey drones.

May 06, 2026 3 min read
Camera Trigger Options for Drone Mapping

Camera Trigger Options for Drone Mapping

Learn the three main camera trigger methods for drone mapping: hot shoe, intervalometer, and flight controller software trigger. Compare accuracy, setup complexity, and use cases...

Apr 16, 2026 9 min read
How We Got Centimetre RTK on ArduPilot with a £400 Emlid Reach M2

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...

Apr 16, 2026 14 min read
First Multirotor Build: Hardware to Avoid and Better Alternatives

First Multirotor Build: Hardware to Avoid and Better Alternatives

Learn which first-build multirotor hardware to avoid from ArduPilot community experience. Covers flight controllers, frames, motors, ESCs, and GPS traps.

Apr 11, 2026 3 min read
Holybro Sensors for ArduPilot: Airspeed, Optical Flow, and Compass Setup

Holybro Sensors for ArduPilot: Airspeed, Optical Flow, and Compass Setup

How to set up Holybro sensors for ArduPilot: MS4525DO airspeed sensor, PMW3901 optical flow sensor, and RM3100 DroneCAN compass. Wiring and calibration.

Mar 31, 2026 4 min read
Optical Flow Sensors for Drones: Indoor Positioning Guide

Optical Flow Sensors for Drones: Indoor Positioning Guide

How optical flow sensors let drones hold position without GPS. Covers PMW3901 setup with ArduPilot, ToF rangefinder pairing, and indoor positioning use cases.

Mar 31, 2026 3 min read
How to Set Up ArduPilot on Your Flight Controller

How to Set Up ArduPilot on Your Flight Controller

Step-by-step guide to setting up ArduPilot on Pixhawk flight controllers. Covers firmware flashing, wiring, sensor calibration, ESC setup, and flight mode configuration.

Mar 29, 2026 4 min read
GPS Modules for Drones: How to Add Positioning to Your Build

GPS Modules for Drones: How to Add Positioning to Your Build

How to add GPS to your drone build. Covers standard GPS vs RTK modules, compass calibration, antenna placement, and connecting GPS to Pixhawk and ArduPilot...

Mar 29, 2026 3 min read
How to Calibrate ESCs in Betaflight and ArduPilot

How to Calibrate ESCs in Betaflight and ArduPilot

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

Mar 25, 2026 4 min read
Pixhawk 6 vs 6C vs 6X vs Mini: Which Flight Controller?

Pixhawk 6 vs 6C vs 6X vs Mini: Which Flight Controller?

Comparing Pixhawk 6X, 6C, and 6C Mini flight controllers. Find out which Holybro autopilot board suits your drone build, from pro to compact.

Mar 23, 2026 4 min read