I recently got the Hereflow sensor to do GPS-less navigation. Since the lidar on the module is only good for 2m I added an LW20 as a secondary lidar. When I connected it and set the parameters noted in the documentation it didn’t work. I tried multiple combinations and it seems like you only can use one rangefinder with the optical flow, not both. Can someone explain why this is?
I think the HereFlow’s rangefinder is not even necessary if you have a second longer range one. Only one downward facing rangefinder can be used for altitude. So you might as well just make RNGFND1_ be your LW20. No need to even configure RNGFND2_ since it will not be used.
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