ARK Flow MR

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

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

Firmware

376KB

88-1.16.2248a40e.uavcan.bin

ARK Flow MR Firmware

10KB

ark_can-flow-mr_canbootloader.bin

ARK Flow MR Bootloader

Release Notes

• 88-1.16.2248a40e - 2025-7-10

  • AFBRS40: fix Range Mode switching

• 88-1.16.d0bfa548 - 2025-6-12

  • AFBRS50 fix scheduling and refactor

• 88-1.15.82ff8744- 2025-6-11

  • Add DroneCAN RawIMU publisher

• 88-1.16.c8bed86b - 2025-2-26

  • Default to Long Range Mode (SENS_AFBR_MODE = 1)

  • Default to 5Hz output rate over 4m (SENS_AFBR_L_RATE = 5)

• 88-1.16.61036f77 - 2025-2-7

  • Update to AFBR 1.6.5 API

    • Improved distance sensor performance

  • Fix PAA3905 challenging surface detected spam

    • Only notify once every second