jhon
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  • United Kingdom
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  • Andre K.

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Using 7 ultrasonic SR04 to APM?

Started Aug 2 0 Replies

Dear my friends Is it possible to connecting 7 SR04 to APM2.8? if it's possible please let me know how can I do that? thanks for your answersContinue

Tags: quadrotor, controller, flight, apm, quadcopter

Using only one Hall sensor for 3 phase BLDC

Started Aug 1 0 Replies

dear my friendsIs it possible to use only one Hall sensor to determine the position of rotor in BLDC? I thought that maybe it's possible to count the magnets by only one Hall sensor and switching the…Continue

Tags: quadcopter

Stop one motor faster than other motor in quadcopter

Started this discussion. Last reply by Andre K. Jul 21. 1 Reply

dear my friendsI have a quadcopter and when I disarm motors one of them stop faster than others. I think there is a mechanical problem with it. Am I right? please help me. I truely appreciate…Continue

Tags: problem, motor

Why APM do not save my setting?

Started Jun 22 0 Replies

Hi my friendsI have a quadcopter with APM.System works without problem, arm and disarm perfectly.Calibration OK, ENGINES TURN.Connect and disconnect battery and ESC sounds uncalibrated, not save…Continue

 

jhon's Page

Latest Activity

jhon posted discussions
Aug 2
Andre K. replied to jhon's discussion Stop one motor faster than other motor in quadcopter
"Yes. Usually bad bearings. spin propellers fast by hand, you should observe a difference as well."
Jul 21
jhon posted a discussion

Stop one motor faster than other motor in quadcopter

dear my friendsI have a quadcopter and when I disarm motors one of them stop faster than others. I think there is a mechanical problem with it. Am I right? please help me. I truely appreciate it.thank you so much. See More
Jul 21
jhon posted a discussion

Why APM do not save my setting?

Hi my friendsI have a quadcopter with APM.System works without problem, arm and disarm perfectly.Calibration OK, ENGINES TURN.Connect and disconnect battery and ESC sounds uncalibrated, not save settings.What's problem with that?Can not save the ESC Calibration!!!Please help methanks every oneSee More
Jun 22
jhon replied to Motion Man's discussion MOT_SPIN_ARMED issue
"Hi my friends I'm beginner to APM and I have a problem with MOT_SPIN_ARMED. How can I spin my motors when APM is arm? default value of MOT_SPIN_ARMED is 70 and it's not spinning!! What is the relation between MOT_SPIN_ARMED and…"
Feb 14

Profile Information

About Me:
I am a mechanical engineer
Please tell us a bit about your UAV interest
Quadcopter
Hometown:
shiraz

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