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Rotary encoder for 4wd bot

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Posted by Talasyn   (2 posts)  [Biography] bio
Date Mon 14 May 2012 02:16 PM (UTC)
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Hi :-)

I'm building my first bot with 4WD. I've read in a number of places that the use of encoders is strongly recommended. I have no experience with encoders. I will guess that they somehow help to keep all motors spinning at the same speed?

I've looked for arduino examples using encoders for 4wd bots but have been unsuccessful. Nick, I've seen a post where you were starting a 4wd bot but hadn't implemented the encoders. Have you progressed with your project? Can you point me to some explanation about the role of encoders with 4wd bots as well as code examples?

BTW, I'm using this controller: http://www.robotshop.com/dagu-4-channel-brushed-dc-motor-controller-2.html

Thanks in advance for any help you can provide,

Todd
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Posted by Nick Gammon   Australia  (22,975 posts)  [Biography] bio   Forum Administrator
Date Reply #1 on Mon 14 May 2012 11:57 PM (UTC)
Message
Sounds like my controller.

I would rather answer this on the Arduino forum rather than splitting up between two forums. Make a post there, and put the link to it here if you like, if I haven't noticed it.

http://arduino.cc/forum/
- Nick Gammon

www.gammon.com.au, www.mushclient.com
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Posted by Talasyn   (2 posts)  [Biography] bio
Date Reply #2 on Tue 15 May 2012 12:34 AM (UTC)
Message
Thanks :-) I've made the post here http://arduino.cc/forum/index.php/topic,105898.0.html

Any help or guidance would be greatly appreciated.

Todd
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