Wilson
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3DR radio causing speed change in motors (interference)

Started this discussion. Last reply by Wilson Apr 26, 2016. 7 Replies

Hi There, Thanks for giving me the chance to join this community. I have recently built a 450 quadcopter with an APM 3.1 mini FC, FSi6 radio, simonk 30A ESCs and sunnysky 980kv motors. I have…Continue

Tags: changing, motors, speed, when, using

 

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Wilson left a comment for Wilson
"You can express yourself here, what would you like to talk about ?"
May 4, 2016
Wilson replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"SOLVED!!!!! After many hours scratching my head I found out the problem. Problem: For some reason, the power regulator in the APM mini is unstable. Which means that whatever you plug into it will cause noise or sudden voltage drops. This perhaps…"
Apr 26, 2016
Wilson replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"I've spoken to the supplier and they will send me another radio Regarding the the PWM and GND pins, I don't think there's any issue with that. In fact, it is a good practice to have a good GND circuit throughout. If the issue is…"
Apr 22, 2016
Wilson replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"Hi Micha, to be honest I have not added anything else other than the 3DR. As I mentioned before, the problem comes even if I just connect the GND and +5 wires which do not involve any processing. The voltage is not dropping below 5v when I connect…"
Apr 20, 2016
Andre K. replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"now that I think of it. it could also be something about the ESC's  - they are really only supposed to measure a digital pusle width , but try to connect only their PWM pin,  (not GND)  try another radio as well, preferably a…"
Apr 20, 2016
Micha replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"Do you have a lot of logging activated? Could be cpu stall. "
Apr 19, 2016
Wilson replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"Thanks for your reply @Andre K. Yeah, it looks like electronic noise. Unfortunately I do not have an oscilloscope at the moment so I cannot see what's going on. Cheers"
Apr 19, 2016
Andre K. replied to Wilson's discussion 3DR radio causing speed change in motors (interference)
"very weird, I have seen plenty of knockoff flight controllers (no - not "clones" , but thown together crap) where manufacturer saves on every capacitor, component, resitor possible.   I am not saying yours is one of them, but it…"
Apr 19, 2016
Wilson posted a discussion

3DR radio causing speed change in motors (interference)

Hi There, Thanks for giving me the chance to join this community. I have recently built a 450 quadcopter with an APM 3.1 mini FC, FSi6 radio, simonk 30A ESCs and sunnysky 980kv motors. I have recently received a 433mhz 3DR radio telemetry and since then I have been having some issues.The radio link works well. I can see the data sent from the quad and I can also send commands from mission planner. However, whenever the 3DR is plugged in, the motors have short speed changes as if the pwm values…See More
Apr 19, 2016

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About Me:
Novice in quad copter building

Australia
Please tell us a bit about your UAV interest
Trouble shooting and help others
Hometown:
Melbourne

Comment Wall (1 comment)

At 4:40am on May 4, 2016, Wilson said…
You can express yourself here, what would you like to talk about ?

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