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  #1701  
Old 11-16-2016, 05:17 AM
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fiatromeo fiatromeo is offline
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Default Re: Ovaltine's Segway Clone

Thank you for the appreciation .Radius turns of 1.5-2 meters.
https://www.youtube.com/watch?v=XMoEn9x_VuM
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Last edited by fiatromeo; 11-28-2016 at 12:29 PM.
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  #1702  
Old 11-27-2016, 01:54 PM
Ovaltineo Ovaltineo is offline
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Default Re: Ovaltine's Segway Clone

That is an ultra cool work of art!
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  #1703  
Old 11-28-2016, 12:25 PM
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fiatromeo fiatromeo is offline
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Default Re: Ovaltine's Segway Clone

https://www.youtube.com/watch?v=XMoEn9x_VuM
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  #1704  
Old 12-13-2016, 01:37 AM
wiroon wiroon is offline
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Default Re: Ovaltine's Segway Clone

Quote:
Originally Posted by Ovaltineo View Post
The BTN7960 is a "brushed" motor controller - it cannot be used to drive a BLDC motor. If you can find an affordable high-power BLDC controller with a serial or PWM interface, then I might consider writing code for it.
Hi OT, this is my first time here. What are yr opinions on these:

A. 300W_MOTOR CONTROL_SS08
http://uk.rs-online.com/web/p/proces...-kits/9106867/

B. DC 12-36V 20A 500W Brushless Motor Controller Motor Balanced Car Driver Board
http://www.ebay.com/itm/DC-12-36V-20...4AAOSwDV1XQ9AH

C. 12V 24v 30A brushless DC motor controller power high current motor driver board
http://www.ebay.com/itm/12V-24v-30A-...sAAOSwjwlXA42P

THKS for yr time.
WIROON
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  #1705  
Old 02-22-2017, 12:41 AM
wiroon wiroon is offline
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Default Re: Ovaltine's Segway Clone

Ovaltineo, I am sorry if my question has offended you in anyway. I am HIGHLY respect your contribution to this society and believes all folks agreed with me. I quoted your respond as per fercho_tech@hotmail.com because unless there is a suitable controller and my question is purely “your opinions” on the controller, NOT asking you to write any code which I am sure you are highly capable of. To get start with a controller blindly without reasoning its appropriateness is simply an insane.

And I wish to apologise to all of you if my question has frozen the dynamic of this society.
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  #1706  
Old 03-05-2017, 03:39 PM
gui gui is offline
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Default Re: Ovaltine's Segway Clone

hi everyone been follow this a long time , read a few times all the pages and today i decide to build my prototype.

here the first test : https://youtu.be/RHpuOcsCGfw

using 2 x 750w 36v dc brushed motors
11 and 74 sprockets with chain
arduino mega
100 amp h bridge ( works like l298)
18,2 v 12amps lipo battery

still under developement but i couldnt do it without OVALTINEO tutorial.

many thanks from portugal
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  #1707  
Old 03-19-2017, 04:05 PM
gui gui is offline
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Default Re: Ovaltine's Segway Clone

sup guys , i notice the tread is almost dead and is a lame cause there are plenty of persons who only could build this clone segway thanks to this tread and specialy to ovaltineo.

btw i wonder if really worth using encoders in termac? i wish i could use with l298 h-bridge.

thanks
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  #1708  
Old 03-25-2017, 03:47 PM
gui gui is offline
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Default Re: Ovaltine's Segway Clone

hi , is there someone who can help me to reduce the motors buzz? is a bit loud and annoying! im using the 100amps h-bridge from china and works like a l298n but it supports max 65khz so is there a way to be more eficient cause i dont think the motors will like the low pmw frequency. btw i use mega also.

come on guys , lets keep this thread alive

thanks
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  #1709  
Old 05-22-2017, 07:37 PM
JRoque JRoque is offline
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Default Re: Ovaltine's Segway Clone

Quote:
Originally Posted by gui View Post
hi , is there someone who can help me to reduce the motors buzz?
Hi there. I've been away far too long and I'm no longer qualified to help anyone but let me shoot in the dark:

1- Do you have a scope or frequency counter that can measure the Atmel chip PWM output?

2- 65kHz is way too high, IMHO. If the Atmel driver is fine, see if the motor provides it's own PWM clock and cut it to ~25kHz.

3- Did you make any modifications to the firmware that would cause the PWM frequency to change?

4- Did you select the right options for Atmel chip and motor driver?

5- Any options, switches, etc on the motor controller itself that would be related to this?

6- On the first page of this thread, there's a reference: "Fixed L298N motor controller code by removing "setPwmFrequency(HZ_3906)" during initialization." that seems to be what you're looking for.

Regards,
JR
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  #1710  
Old 05-23-2017, 01:28 PM
gui gui is offline
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Default Re: Ovaltine's Segway Clone

hi JR thanks for replay but after so long i decided to buy a roboclaw 2x60a , not the hv cause wasnt avaiable in europe!

im building a weelchair segway just like rajan cause there arent so many diy of that for disabled persons , im not the case.

best regards
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