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Sending RPM via UART to STM32

Submitted by EmirDns on Sat, 2022-01-08 11:00

 Hello friends, I'm working on a rover project right now. I'm using VESC 4.12 ESCs in the drive system. I want to send RPM to my receiver STM32 MCU. I saw different solutions and libraries about Arduino but unfortunately I couldn't find anything about STM32. Do you have any idea about how can I get this job done? Thanks in advance.

Need Help with single FSESC running a BDUAV 6384 120KV & 12v SLA Batt Setup

Submitted by KJB on Fri, 2022-01-07 02:43

Greetings to All,   

 

First time post and quite a newbie so please forgive is this is not the correct location to post.  I'm working on a project for a slow-moving "push" vehicle and have issues gettiing the motor to spin.   I've using a FSESC 4.12 ESC, BDUAV 6384 120kv motor and a 12v 20Ah SLA battery.  

 

Slight stutter when sensor mode turns off

Submitted by rg12 on Wed, 2022-01-05 01:18

Hey guys, noob here ;)

Just installed a flipsky 75100 on my scooter and there's a slight motor stutter, like a single short 'tah' when it transitions to sensoreless mode.

It is set to go sensoreless at 2000 erpm so it happens really fast at very low speeds but if I increase it to say 6000 erpm then it will do that same stutter only a bit later.
If I change it to 30,000 erpm then it never does it as it stays in sensored mode the whole time.

Connect 4 vesc with can-bus, motors stuttering

Submitted by oyvinla on Tue, 2022-01-04 17:12

Hi, I'm trying to connect 4 vesc controllers over the can-bus interface and run them synchronous. I have removed the resistor on the two vescs in the middle, leaving the first and fourth with a resistor. But the issue is that the motors are not running very well, they are stuttering and locking up. 

 

I have tried and successfully runned two and two, but not 3 and 4 together.

 For me it seems like there is a communication problem when running more than two vesc controllers over can-bus. Has anyone successfully gotten 4 vesc to run synchronous?

Parsing PPM data from CAN Bus

Submitted by walleywalker on Sun, 2021-12-26 23:57

I believe I am getting a VESC response now with PPM information, though I am having trouble understanding the output format. My short Arduino code is below.

My primary question is, have I gone about this correctly to read the PPM info, is the output as expected, and can anyone advise of the parsing format or where I can dig to find it?

B4r9Pk5gvm.png

 

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