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DroneCAN M8N GPS with UBLOX M8N module BMM150 compass
Description
DroneCAN M8N GPS system
The Holybro DroneCAN M8N GPS has a UBLOX M8N module, BMM150 compass, and a tri-colored LED indicator. An ARM STM32G4 Processor is the main processing core, the DroneCAN protocol is adopted for communication (DroneCAN is the open CAN protocol used by the ArduPilot and PX4 for communication with CAN peripherals), which makes it more reliable, and can better deal with electromagnetic interference compared to serial UART connection. Using CAN leaves an extra serial port of the flight controller empty, which can be used for other accessories. The CAN protocol allows for simultaneous connection of multiple CAN devices.
Pin Map
Dimensions (in mm)
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FAQ – DroneCAN M8N GPS
1. What is the DroneCAN M8N GPS used for?
It is a combined GNSS and compass module designed to provide positioning and heading information for UAVs.
2. What interface does it use?
It communicates via the DroneCAN protocol over CAN bus, which improves resistance to interference and frees up serial ports on the flight controller.
3. What GNSS receiver and sensor hardware does it include?
It integrates a u-blox NEO M8N GNSS receiver along with a built-in compass sensor.
4. What are some of the key technical specifications?
It offers a navigation update rate up to 10 Hz, positioning accuracy of around 2.5 m under good conditions, operating voltage of about 4.7–5.2 V, and a temperature range from -40 °C to +80 °C.
5. What installation or usage considerations are important?
It should be mounted with the arrow facing forward along the UAV’s axis, placed with clear sky visibility for GNSS, and kept away from motors or wiring that could affect the compass.
6. Is this module suitable for professional UAV deployments?
Yes, its CAN bus interface, integrated compass, and reliable design make it suitable for advanced UAV applications such as mapping, surveying, and inspection.
Specifications
Specifications
| GNSS Receiver | Ublox NEO M8N |
| Number of Concurrent GNSS | 2 (Default GPS + GLONASS) |
| Processor | STM32G4 (170MHz, 512K FLASH) |
| Compass | BMM150 |
| Frequency Band | GPS: L1C/A GLONASS: L10F Beidou: B1I Galileo: E1B/C |
| GNSS Augmentation System | SBAS: WAAS, EGNOS, MSAS, QZSS |
| Navigation Update | 5Hz Default(10Hz MAX) |
| Accuracy | 2.5m |
| Speed Accuracy | 0.05 m/s |
| Max # of Satellites | 22+ |
| Communication Protocol | DroneCAN @ 1 Mbit/s |
| Supports Autopilot FW | PX4, Ardupilot |
| Port Type | GHR-04V-S |
| Antenna | 25 x 25 x 4 mm ceramic patch antenna |
| Power consumption | Less than 200mA @ 5V |
| Voltage | 4.7-5.2V |
| Operating Temperature | -40~80C |
| Size | Diameter: 54mm Thickness: 14.5mm |
| Weight | 36g |
| Cable Length | 26cm |
| Other Notes | – LNA MAX2659ELT+ RF Amplifier – Rechargeable Farah capacitance – Low noise 3.3V regulator |
Documents
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Isabella Richardson –
De klantendienst was geweldig, bedankt!