CUAV Guides

How to Build a Complete CUAV Autopilot System

Complete CUAV autopilot system with flight controller and UAV components

A complete autopilot is an architecture, not a single box. The flight controller depends on clean power, reliable positioning, appropriate data links and sensors that match the aircraft. Planning those parts together reduces adapter problems and makes commissioning easier. The CUAV Drone Components range is organised around these system functions.

Build the architecture in five layers

LayerRoleOrkes category or example
Flight controlRuns estimation, navigation, control and fail-safe logicFlight Controllers
Positioning and headingProvides GNSS position, velocity and optional RTK or headingGNSS, GPS & RTK
PowerSupplies regulated controller power and measures battery stateCUAV CAN PMU
CommunicationCarries command, telemetry, correction data or payload informationTelemetry & Data Links
Air and environment dataAdds airspeed, compass, range or other mission-specific sensingSensors & Airspeed

Choose the controller and firmware together

Select PX4 or ArduPilot according to the airframe, features and team experience, then verify that the exact controller hardware is supported by the intended firmware release. A configuration from a similarly named board should not be copied without checking the hardware target, sensor orientation and port mapping.

Create a power budget before wiring

List the operating voltage and peak current of the flight controller, GNSS, telemetry, servos, payloads and accessories. Confirm which loads are supplied through the power module and which need separate regulation. Keep propulsion power and sensitive electronics appropriately separated, provide the required backup path and verify that current and voltage measurement are calibrated.

Reserve interfaces and plan failure behaviour

Draw every CAN, UART, I2C, PWM, Ethernet and power connection before assembly. Reserve a service port for setup and logging. Decide what the aircraft should do if GNSS corrections, telemetry, an airspeed sensor or one power source is lost. Those decisions determine whether additional redundancy is useful and which ports must remain available.

Commission one layer at a time

Power and configure the controller first, then add positioning, telemetry and sensors individually. Verify firmware recognition, orientation, calibration and data quality after each change. This makes faults easier to isolate than connecting the complete system at once. CUAV’s official documentation should be used for pinouts, firmware targets and model-specific instructions.

For a project review, send Orkes the airframe type, battery voltage, firmware choice, required positioning accuracy, telemetry distance, payload interfaces and environmental limits. We can then help turn the parts list into a compatible CUAV autopilot system.