Setup Optical flow problem

@cuchara wrote:

hi

I followed the configuration method described on the site

(which I consider to be very poorly explained) (I have a lot to say but my low level of English does not allow it)

in any way I managed to reach the stage of the first flight

but I escape this step that I can not find or understand:

"Range Sensor Check
Check the EKF5.meaRng message in the flashlog from your flow sensor calibration test. Check the following:
There is continuous range measurement.
It outputs a range on the ground that is 10cm of the expected value"

after I found this:

"First Flight (Copter Only)
Set EKF_GPS_TYPE = 0 (we don’t want the optical flow being used by the EKF at this stage)"

the EKF_GPS_TYPE does not exist in copter 3.4 it is right ?

and then say this :
"Pre-Arm checks
To allow arming and taking off in Loiter without a GPS the GPS arming check should be turned off as shown
below. Unchecking “All” and “GPS” and leave all other options checked.

But do not say anything about the GPS_configuration box

well any way I did a test flight.... did not let me arm with the GPS unplugged,(strange I set up the Pre-Arm checks) ... I connect the GPS and I flew at 1m and the drone seemed very reactive gave small accelerations, stayed level but going up and down in a range of 10 - 20cm

Well, here are the logs.

in advance thanks

sorry no matter what I try the logs do not want to load...

reading in neighbor post

I discovered that the PxFLOW needs a separate rangefinder connected to the flightC ?
Is that correct??

does it mean that the one that has integrated is useless?

and what about all the copter I've seen fly without a separate rangefinder ?

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