ESC PWM Frequency

Hi Guys,

I am using a BeagleBoneBlack to generate PWM signals for an ESC. I am using an Afro multirotor ESC 20A. I am confused with the PWM frequency.

The link below is the manual for this model.

http://www.hobbyking.com/hobbyking/store/uploads/214281780X260742X20.pdf

In default setting, it is mentioned "for PWM motor stop/arm below 1060us and full power at 1860us." Further more in the hobbyking website, 

http://www.hobbyking.com/hobbyking/store/__43709__Afro_ESC_20Amp_Multi_rotor_Motor_Speed_Controller_SimonK_Firmware_.html

it mentions input 1kHz. Now I am confused because 1kHz is 1000us. This would not even start the motor.

Also in the manual->general operations section it is mentioned default PWM frequeyncy is 18kHz with 800 steps. Again 18kHz is 55us.

What am i doing wrong here?

Thanks guys

You need to be a member of diydrones to add comments!

Join diydrones

Email me when people reply –

Replies

  • This is right for brushless motor esc :"for PWM motor stop/arm below 1060us and full power at 1860us". but sometimes it not very accurate,you can do a calibration first.

This reply was deleted.

Activity

DIY Robocars via Twitter
Practice virtual race this Saturday; the real thing will be on Oct 3 https://www.meetup.com/DIYRobocars/
yesterday
DIY Robocars via Twitter
yesterday
Derrick Davies liked lisa TDrones's profile
yesterday
DIY Robocars via Twitter
Monday
DIY Robocars via Twitter
RT @SahikaGenc: AWS DeepRacer & Hot Wheels Track https://youtu.be/4H0Ei07RdR4 via @YouTube
Sep 14
DIY Robocars via Twitter
Sep 8
DIY Robocars via Twitter
RT @davsca1: We are releasing the code of our Fisher Information Field, the first dedicated map for perception-aware planning that is >10x…
Sep 8
DIY Robocars via Twitter
RT @SmallpixelCar: How this works: 1)object detection to find cones in single camera image, 30 frames/sec on @NVIDIAEmbedded Xavier. 2)comp…
Sep 8
DIY Robocars via Twitter
RT @SmallpixelCar: Use two color cones to guide the robocar. No map needed, on onsite training needed. Just place the cones and it will fol…
Sep 7
DIY Robocars via Twitter
Sep 7
DIY Robocars via Twitter
RT @roboton_io: Great to see http://roboton.io running at 60fps on the cheapest #chromebook we could find! #edtech #robotics #educat…
Sep 3
DIY Robocars via Twitter
RT @openmvcam: Crazy in-depth article about using the OpenMV Cam for Astrophotography: https://github.com/frank26080115/OpemMV-Astrophotography-Gear https://t.co/BPoK9QDEwS
Sep 3
DIY Robocars via Twitter
RT @openmvcam: Hi folks, it's finally here! Our first draft of our Arduino Interface Library is out! It works over SoftwareSerial, Hardware…
Sep 3
DIY Robocars via Twitter
RT @chr1sa: Please let them have an open API. This would be perfect for @DIYRobocars races https://twitter.com/NintendoAmerica/status/1301513099707658246
Sep 3
DIY Robocars via Twitter
RT @SmallpixelCar: Lanenet pretty much used all my GPU power on @NVIDIAEmbedded Xavier since I optimized with tensorRT. I need to run anoth…
Sep 3
DIY Robocars via Twitter
RT @LyftLevel5: Our @kaggle competition on Motion Prediction for Autonomous Vehicles is now live! Experiment with the largest-ever self-dri…
Aug 24
More…