Category: Peripherals

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H-Flow (DroneCAN)

H-Flow (DroneCAN) Firmware

AAH-Flow runs the PX4 DroneCAN Firmware. It supports firmware updates over the CAN bus and dynamic node allocation.H-Flow boards ship with 1.15 or later firmware pre-installed, but if you want to build and flash the latest firmware yourself. See PX4 DroneCAN Firmware > Building the Firmware.Firmware target: holybro_h-flow_defaultBootloader target: holybro_h-flow_canbootloader Firmware Update PX4 can upgrade […]

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H-Flow (DroneCAN)

H-Flow (DroneCAN) Overview

Overview The Holybro H-Flow is a compact optical flow and distance sensor module that combines a PixArt PAA3905E1 optical flow sensor, a Broadcom AFBR-S50LV85D distance sensor, and an InvenSense ICM-42688-P 6-axis IMU. This all-in-one design simplifies installation, while the onboard infrared LED enhances visibility in low-light conditions.The H-Flow features a Pixhawk-standard 4-pin CAN connector, ensuring […]

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H-Flow (DroneCAN)

H-Flow (DroneCAN) Setup Guide

Mounting The recommended mounting orientation is with the connectors on the board pointing toward the back of the vehicle, as shown in the following picture.This corresponds to the default value (0) of the parameter SENS_FLOW_ROT. Change the parameter appropriately if using a different orientation. The sensor can be mounted anywhere on the frame, but you […]

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RM3100 Compass (DroneCAN)

RM3100 Compass (DroneCAN) RM3100 Setup Guide

PX4: With newest PX4 firmware, the default setting will auto detect DroneCAN devices and automatically recognize RM3100 as a compass.If flight controller does not recognize RM3100, you can set following parameters to enable it UAVCAN_ENABLE = Sensors Automatic ConfigUAVCAN_SUB_MAG = 1After setup, remember to calibrate itAfter calibration, PX4 will automatically select onboard compass or RM3100 […]

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DLVR Airspeed (DroneCAN)

DLVR Airspeed (DroneCAN) Overview

AAThe Holybro DroneCAN Airspeed is an industrial-grade differential pressure measurement module designed for precision airspeed measurement in various UAVs, including planes, VTOLs, and other vehicles. Equipped with DLVR_L10D digital Pressure Sensor and running ArduPilot AP-Periph Firmware, this module ensures accurate and reliable airspeed data across different flight conditions. Features Wide Pressure Range: Supports up to […]

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DLVR Airspeed (DroneCAN)

DLVR Airspeed (DroneCAN) Quick Start Guide

Ardupilot Setup Guide To enable DroneCAN detection, set the following parameters:If the sensor is connected to the CAN 1 port:CAN_P1_DRIVER=1CAN_D1_PROTOCOL=1If the sensor is connected to the CAN 2 port:CAN_P2_DRIVER=1CAN_D2_PROTOCOL=1Set airspeed sensor type to DroneCAN:ARSPD_TYPE=8Save the configuration and reboot the flight controller for settings to take effect.Before flying, please connect to the ground station to check […]