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[RESOLVED] radio lost connection after actuate the 5th motor

Posted: Tue Jul 30, 2019 6:37 pm
by zhanghaijason
Hello,
I am using Crazyflie to do a project. I have a fifth motor used to actuate some mechanism on Crazyflie. It worked before, but now it loses connection everytime after I apply power to the motor driver, it lost connection.
The process is as follows:
1. fly cf to a specific location and stop there
2. actuate 5th motor.
3. Lost connection

if I directly actuate 5th motor without flying it, connection doesm't lost.

One month ago I did the above procedures many times, everthing was good. But now it starts to lose connection.

Re: radio lost connection after actuate the 5th motor

Posted: Wed Jul 31, 2019 12:13 pm
by kimberly
Hi!

Where is the 5th motor located? Is it near the antenna?

It is indeed a bit weird that it does not lose connection if you do not fly it and actuate the 5th engine. Are you sure it is not drawing too much current? Flying 4 motors is already takes up a lot of power for the tiny crazyflie ;)

Re: radio lost connection after actuate the 5th motor

Posted: Wed Aug 21, 2019 8:27 pm
by zhanghaijason
kimberly wrote: Wed Jul 31, 2019 12:13 pm Hi!

Where is the 5th motor located? Is it near the antenna?

It is indeed a bit weird that it does not lose connection if you do not fly it and actuate the 5th engine. Are you sure it is not drawing too much current? Flying 4 motors is already takes up a lot of power for the tiny crazyflie ;)
Hello,
I used another CF and it works well. I guess the receiver on the old CF was kind of broken. Thanks for your reply.