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USB connection between Android App and VESC fails

Submitted by bb67 on Fri, 2020-06-12 18:18

My VESC 6 controller (Maytech) works fine connected via USB cable with the windows VESC tool.

Now I installed the Android app (via .apk file) on my Android 6.0.1 phone (Sony xperia Z3) and I finally found the correct cable USB-C (VESC) to micro-USB (Z3).

But no connection is shown, also I don't see any option for USB connection in the VESC app.

I tried "Allow USB debugging" and changing USB profile, also I set all app permission for the tool - no success.

How is the USB connection meant to be used, or activated?

PPM Arduino throttle AND UART Bluetooth Monitor AND brake lever for braking

Submitted by vescsci on Fri, 2020-06-12 10:55

Hello. I've searched the internet and the forums and cannot get a good idea if this can be done:



I would like to have my scooter use it's hall throttle, and it's brake lever for ebrakes and use the Bluetooth for monitoring.

My setup:

I have a VESC that attaches to a nano Arduino through the servo connector (which is attached to my scooter hall throttle). I use an Arduino, because I have a button that holds the PPM signal for cruise. 

Emergency shutdown

Submitted by dekafive on Fri, 2020-06-12 02:22

I use my VESC-drive to control a rail-bound teaser-machine from a distant place. If by bad chance the RC-Tx drops out while the machine is running it will continue to move on.

Is there a setting that I did not find until now that turns the drive off or set it to minimum whenever the RC-Rx does not receive a valid signal?

This is a safety issue. Any suggestions to resolve this will be highly appreciated

Difference between the current, duty cycle and PID speed control mode

Submitted by tromes on Thu, 2020-06-11 07:51

Can somebody explain me teh difference between the modes you can select in the PPM  mapping and when to choose one more to the other, or point me to where I can find the discussion on that topic.  I am using a Trampa VESC to control a foil board motor, which mode will fit the best and why (definitely no brake needed...)  

simulate turboprop engine ... using VESC, how to....

Eckehard's picture
Submitted by Eckehard on Wed, 2020-06-10 22:32

Dear forum,

I am new to VESC in general.

I am  a RC modell pilot since several years and a big fan of the plane Pilatus PC 6 Turbo Porter (Turboprop engine)...

I would like to simulate the startup of a real turboprop using BLDC motor. controlled by VESC...

The startup of a real turboprop can be looked up here for excample https://www.youtube.com/watch?v=tegh5BBTtIQ

HELP!!! VESC 4.20 Dual with individual motor control

Submitted by teit84 on Wed, 2020-06-10 20:03

Hi

 

im working on an electric wheelchair.

I have two BLDC hub motors from an e-bike, fitted on the wheel chair, I got a VESC 4.20 DUAL, battery, and arduino.

my problem is that i need the motors to be controlled individually, from two separat analog signals, with the build in ADC on the VESC

im using a VESC 4.20 DUAL.... and i can´t get it out of CAN-BUS mode(i think thats the problem at least), and every time im setting up one analog signal, it basically deletes the other one I´ve just setup.

vesc tool not giving me the right values

Submitted by spacemango on Tue, 2020-06-09 13:31

I'm using the VESC to control a reaction wheel for my thesis. However, the motor setup (FOC) in the vesc tool is not working for me. It does detect R, L and the flux linkage but the values are very off from the data sheet of the motor. When I enter the values from the data sheet instead the wheel just doesn't want to spin. It makes a weird sound but that's it. Any ideas why this is happening? (it doesn't spin with the values obtained from the vesc tool either so..) 

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