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Encoder Ratio for AS5047P

Submitted by brian.s.stubbs@... on Fri, 2022-06-17 22:09

I've been working on a design that will allow me to use an AS5047P encoder on a hover board motor.  I can't attach the magnet directly onto hub motor because it is a single shaft so I've created a geared assembly.  Here is a link to an image of the design I've created.  I've printed it and installed it with no issues.  The encoder and magnet just attach to the spaces on the middle of the small gear and back of the arm.  The big gear has 64 teeth, the small gear has 25 teeth.

Wiring a touchscreen to a vesc

Submitted by posthy on Tue, 2022-06-14 10:22

I'm building an electric scooter. I managed to make a nice interface using qml that works fine inside vesc tool. Now i want to wire on an external touch screen for that UI, but have no idea how to do that. What interface do i need (i2c / uart / other)?  Do i need an additional microcontroler like an arduino?  Any advice would be greatly apprciated!

Because..why not: Full Self Riding Skateboard (autonomous skateboard)

Submitted by x78163 on Wed, 2022-06-08 17:33

Ok, so bear with me as this is conceptually in its infancy.

 

Autonomous vehicles are a dime a dozen with tons of projects (donkey car, etc) that all work to certain extents.  So assuming one of those off the shelf navigation systems 'works', I've been trying to think of ways to implement it to a skateboard.  Because why not!

 

PPM duty cycle option not being stored in EEPROM

Submitted by wjpremerlani on Wed, 2022-06-08 12:49

Hi,
I recently purchased a Flipsky FSESC and motor for an application to "de-spin" a platform on a rocket that can spin at plus or minus 600 RPM. I already had the application working well enough with a more conventional ESC, but was looking for more performance, so I decided to try a VESC. The improvement was spectacular, as shown in this video:
https://drive.google.com/file/d/130U0m6zRq1kxGXL95x1Q6fSpTOXxg-B5/view?u...
So, what is the problem, you might ask?

controlling 2 motors for two directions each

Submitted by ori harush on Mon, 2022-06-06 07:17

hi

I am making a wheelchair extension that helps move in rough terrains, for that I am using 2 BLDC motors (FLIPSKY 6384) and dual mini FSESC6.7 PRO.

The extension is track based (like a tank), so if I am at full stop and I am turning right I need the left motor to spin forwards and the right motor to spin backwards. It means that I need to be able to drive forwards and backwards and control each motor.

Is it possible?

How can I do that?

 

 

Thanks for the help

VESC as generator - settings confirmation

Submitted by justinlsquire on Mon, 2022-06-06 02:44

I have a BLDC motor coupled to a 2-stroke engine to use as a generator, and I want to use the VESC to perform active rectification of the power to the DC bus. 

 

I know that I can change the settings for "Motor Current Max Brake" and "Battery Current Max Regen" but I was hoping somebody could give some advice about my strategy here. 

 

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