ARK MOSAIC-X5 RTK GPS

Please read through the PX4 Documentation for DroneCAN GPS parameter configuration.

DroneCAN | PX4 Guide (main)docs.px4.io

Firmware

Follow the steps for updating the firmware through the flight controller.

DroneCAN | PX4 Guide (main)docs.px4.io

See the latest firmware below.

730KB

84-1.16.3c45b562.uavcan.bin

Open

ARK Mosaic-X5 GPS Firmware

10KB

ark_septentrio-gps_canbootloader.bin

Open

ARK Mosaic-X5 GPS Bootloader

Release Notes

• 84-1.16.3c45b562 - 2025-9-26

  • Migrate to build server

• 84-1.15.6dea2ce5 - 2025-2-12

  • Disable mag bias estimator by default

Pinout

CAN - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5V	5.0V
2	CAN_P	5.0V
3	CAN_N	5.0V
4	GND	GND

CAN - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5V	5.0V
2	CAN_P	5.0V
3	CAN_N	5.0V
4	GND	GND

USB C

Pin Number	Signal Name	Voltage
2, 11	VBUS	5.0V
5, 8	USB_N	3.3V
6,7	USB_P	3.3V
1,12	GND	GND

GPS UART2 + Timepulse - 5 Pin JST-GH

Pin Number	Signal Name	Voltage
1	TXD2	3.3V
2	RXD2	3.3V
3	TIMEPULSE	3.3V
4	GP1	3.3V
5	GND	GND

USART3/I2C2 - 6 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5.0V Out (500mA)	5.0V
2	USART3_TX	3.3V
3	USART3_RX	3.3V
4	I2C2_SCL	3.3V
5	I2C2_SDA	3.3V
6	GND	GND

Debug - 6 Pin JST-SH

Pin Number	Signal Name	Voltage
1	3.3V	3.3V
2	USART2_TX	3.3V
3	USART2_RX	3.3V
4	FMU_SWDIO	3.3V
5	FMU_SWCLK	3.3V
6	GND	GND

3D Model

Find 3D models and case files at https://github.com/ARK-Electronics/ARK_MOSAIC-X5_GPS