[Holybro] H-Flow - Optical Flow and Distance Sensor Module
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![[ÆÓÄܼ¥] HL-19006 [Holybro] H-Flow - Optical Flow and Distance Sensor Module](https://ecimg.cafe24img.com/pg133b47913354030/droneman/web/upload/NNEditor/20230612/Blue20220Line.png)
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 seamless integration with Pixhawk-compatible controllers via the CAN port. Utilizing the DroneCAN protocol, it offers reliable and high-speed data transmission between the sensor and the flight controller.
Feature
- Integrated Optical Flow and Rangefinder Module
- PixArt Optical Flow Sensor for Accurate Motion Tracking
- Broadcom ToF Sensor for Precise Distance Measurement
- Infrared LED for Optical Low-Light Performance
- DroneCAN Protocol
Specification
- PixArt PAA3905E1 Optical Flow Sensor
- Tracks under low light conditions of >5 lux
- Effective Viewing angle up to 42¡Æ
- Wide working ranges from 80mm up to 30m
- Up to 7.4 rad/s
- 40mW IR LED built onto the board for improved low-light operation
- Tracks under low light conditions of >5 lux
- Broadcom AFBR-S50LV85D Time-of-Flight Distance Sensor
- Integrated 850 nm laser light source
- Field-of-View (FoV) of 12.4¡Æ x 6.2¡Æ with 32 pixels
- Typical distance sensing range up to 30m
- Operation of up to 200k Lux ambient light
- Works well on all surface conditions
- Transmitter beam of 2¡Æ x 2¡Æ to illuminate between 1 and 3 pixels
- Integrated 850 nm laser light source
- InvenSense ICM-42688-P 6-Axis IMU
- STM32F412CEU6 MCU
- Pixhawk Standard CAN Connector (4 Pin JST GH)
- Compact Form Factor
- Software-Controlled CAN Termination
- Weight: 15.2g (3.5g without casing)
Reference Links
![[ÆÓÄܼ¥] HL-19006 [Holybro] H-Flow - Optical Flow and Distance Sensor Module](https://ecimg.cafe24img.com/pg133b47913354030/droneman/web/upload/NNEditor/20241212/H-Flow-28Optical-Flow-and-Distance-Sensor-Module29-02.png)
![[ÆÓÄܼ¥] HL-19006 [Holybro] H-Flow - Optical Flow and Distance Sensor Module](https://ecimg.cafe24img.com/pg133b47913354030/droneman/web/upload/NNEditor/20241212/H-Flow-28Optical-Flow-and-Distance-Sensor-Module29-03.png)

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2,310¿ø
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QA89116
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