Specification
Size: 28.8mm*9.5mm
Performance
Hardware Specification
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Built-in ultra small lidar module
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CAN Protocol, which provide more reliable communication
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PAW3903 Optical Flow Sensor. Effective ranges from 80 mm to infinity. *Old generation module used to have 3901
Optical Flow Sensor Specification
940 nm invisible light emission (Class1)
Lidar Specification
940 nm invisible light emission (Class1)
Installation
Connect the CAN port on module and flight controller with the 4 Pin CAN cable. Point the Y axis of Here Flow to the nose of the aircraft. Face the camera to ground and stick the module to the bottom of aircraft by 3M sticker or soft sticker (with slightly vibration isolation).
*DO NOT touch the electronic components on the PCB. Touch the edge of the PCB if possible during the installation.*
*The bottom of module must be clear, otherwise the measured data will be affected.*
Settings
Firmware update instructions: https://discuss.cubepilot.org/t/can-flow-setup-instructions-alpha-batch/341
1.Connect the flight controller to computer via USB cable. Open Mission Planner. Install the master firmware by "Load custom firmware". Go to "Full Parameter List" and find "CAN_P1_DRIVER". Change it to "1" to enable CAN.
2.Find "RNGFND_TYPE" and set it to "24" to enable range finder. Set "RNGFND_MAX_CM" (maximum distance) to 200 cm; "RNGFND_MIN_CM" (minimum distance) to 5 cm.
*Please note: We have integrated the TOF sensor in this component due to it being VERY useful for precision landing detection. However, it is NOT suitable for height detection in outdoor conditions above 0.5 m, nor is it suitable for indoor height estimations higher than 2 m.*
*For accurate flow navigation, we still recommend installing the SF11B lidar from Lightware, or a similar Lidar that you trust.*
