I have a pre-soldered kit running RC1.
When I switch it on all pre-flight checks are fine. When I then increase the throttle and leave it, first the clockwise motors speed up and then return to the rpm I set, then the counter clockwise motors do the same, this cycle then continues and does so when I change the rpm.
Needless to say I haven't put it in the air like this.

Any ideas what is going on would be much appreciated.

Kind regards
Ken

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so your motors are all running at the same speed?

Hi Sebastian.
They run at the same speed for a second or two, then the two clockwise motors speed up for a couple of seconds and then slow back down, then the counter clockwise motors speed up and then slow down, then the clockwise motors do the same again repeating the whole thing continuously.

move it around by hand (no props attached)

does it still do the same thing? does it react on it's movement?

Using magnetometer? Can you monitor the sensor outputs and see where the yaw is coming from?

I'm still having this same problem even after reloading the code and recalibrating. The clockwise motors speed up, slow down and then the counter clockwise motors do the same.

Any help would be gratefully received.

Still having the same problem, the clockwise motors speed up for a few seconds, slow down and then the counter clockwise motors do the same, this cycle continues repeating.

Any help greatly appreciated
why don't you answer our questions? we can't help you if you keep saying the same everytime

Yes it does the same thing.

No it does not seem to react.

Yes using magnetometer.

How do I monitor sensor outputs?

did you initialize eeprom? did you set accelerometer offsets?

you can view sensor data in the configurator

Yes and yes.
In configurator I can watch the motors accelerating and decelerating.
What should I be looking for?
do the sensor bars move when you tilt the copter?

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