Product overview
The CUAV C-Compass CAN is an external heading-sensing component for unmanned systems. Its physical architecture combines an STM32F4 processor and RM3100 magnetic sensor in an aluminum-alloy housing, with a total weight of 13g. Magnetic filtering addresses interference associated with internal cables, batteries and motors. The electronics run CUAV’s M4C firmware architecture, which supports customized development. This configuration provides a dedicated compass component for integration into a larger unmanned system, with DroneCAN communication linking it to the controller.
Integration centers on a GHR-04V-S connector, a 4.75–5.3V supply and support for PX4 or ArduPilot controllers, including CUAV and Pixhawk examples. Communication rate is specified as 2Mb and refresh rate as 80Hz. Measurement specifications include a -800μT to +800μT range, 0.25° RMS accuracy, 0.05° repeatability and 0.01° resolution. Operating limits are -20 to +80°C and 5%–95% non-condensing humidity; these electrical and environmental limits define the conditions for incorporating the compass into a host system.
Specifications
| Specification | Value & conditions |
|---|---|
| Product purpose | External electronic compass for measuring equipment heading, with magnetic filtering to reduce interference from internal cables, batteries and motors. |
| Processor | STM32F4 |
| Communication protocol | DroneCAN |
| Sensor | RM3100 |
| Software architecture | CUAV-developed M4C |
| Communication rate | 2Mb |
| Refresh rate | 80Hz |
| Noise | 15nT |
| Accuracy | 0.25° (RMS)Root mean square (RMS). |
| Repeatability | 0.05° |
| Resolution | 0.01° |
| Sensitivity | 13nT |
| Measurement range | -800μT to +800μT |
| Controller compatibility | PX4/ArduPilot (including CUAV/Pixhawk) |
| Connector type | GHR-04V-S |
| Operating voltage | 4.75–5.3V |
| Operating temperature | -20 to +80°C |
| Operating humidity | 5%–95% (non-condensing)Non-condensing. |
| Housing material | Aluminum alloy |
| Weight | 13g |
| Firmware and customization | CUAV-developed M4C software architecture supports customized development. |
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