Author Topic: best motor controller  (Read 2673 times)

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Offline cooldogTopic starter

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best motor controller
« on: November 17, 2007, 12:19:37 PM »
what is the best and cheapest motor controller to drive a 5v motor

or

is there a cheap motor controller that i can plug 2 5v motors in and have it have differential drive


also am i right: the motor wires plug into the motor controller and the motor controller has wires to plug into my reciver???
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Offline SomeSaba

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Re: best motor controller
« Reply #1 on: November 17, 2007, 01:02:26 PM »
reciever? So you're talking about using a wireless radio right?

Offline Ro-Bot-X

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Re: best motor controller
« Reply #2 on: November 17, 2007, 01:05:19 PM »
I guess you are talking about a ESC (esc = electronic speed control). Do a search on google or yahoo.
Check out the uBotino robot controller!

Offline Steve Joblin

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Re: best motor controller
« Reply #3 on: November 17, 2007, 05:11:08 PM »
I'm a big fan of Pololu's Dual Serial Motor Controller... Small, cheap, and easy to use (just send it a serial command to independently control the speed and direction of two DC motors).  They have a kit version, a pre-assembled version, and a suerface mount version.  Great Customer Service too!

Offline cooldogTopic starter

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Re: best motor controller
« Reply #4 on: November 17, 2007, 05:41:12 PM »
how do i make a serial command? so it will have differential drive
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Offline Steve Joblin

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Re: best motor controller
« Reply #5 on: November 17, 2007, 06:58:49 PM »
your microcontroller will send serial commands to your motor controller which will control the motors... I assumed you would be using a microcontroller.

Offline airman00

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Re: best motor controller
« Reply #6 on: November 17, 2007, 07:26:26 PM »
I agree with Steve Joblin,

the Pololu Motor Controller is really good and easy to use  ;D
Check out the Roboduino, Arduino-compatible board!


Link: http://curiousinventor.com/kits/roboduino

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Offline cooldogTopic starter

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Re: best motor controller
« Reply #7 on: November 17, 2007, 07:45:31 PM »
i wasn't planning to ( i don't know how to write programs ) i was just going to us my r/c reciver
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Offline bens

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Re: best motor controller
« Reply #8 on: November 17, 2007, 07:56:21 PM »
If you want something that can serve as an ESC or serial motor controller (or both), you could consider Pololu's TReX Jr.  You could start off making an RC robot and then later transition it to an autonomous serially controlled robot when you're more comfortable with programming microcontrollers.  One nice feature of the TReX is that you can easily switch between RC (or analog voltage) and serial control on the fly by using RC channel five.

Offline cooldogTopic starter

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Re: best motor controller
« Reply #9 on: November 17, 2007, 08:00:15 PM »
okay guys i think we are getting off topic all i want is something cheap to contol one 5v motor through my r/c controller. no programing
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Offline bens

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Re: best motor controller
« Reply #10 on: November 17, 2007, 08:11:08 PM »
The TReX Jr will control two bidirectional 5V motors (differential drive) as directed by your RC transmitter (no programming is required).  It also has the ability to control a third unidirecitonal motor.  Up to five channels from your RC receiver can be plugged into the board, which then connects to your motors.  I'm not sure if you consider $60 to be cheap, though.  Mainly I figured this could be a good investment for you if you ever plan on learning to program microcontrollers, but if that's not your eventual goal, this controller has features that may not be worth paying for if you can find a pure ESC for less.

Offline cooldogTopic starter

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Re: best motor controller
« Reply #11 on: November 17, 2007, 08:15:48 PM »
you can find a pure ESC for less.

where?
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Offline bens

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Re: best motor controller
« Reply #12 on: November 17, 2007, 08:18:47 PM »
if you can find a pure ESC for less.
I put the if in there because I personally have no idea.

Offline Spoil9

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Re: best motor controller
« Reply #13 on: November 18, 2007, 07:37:18 AM »
Do a google search for 'RC Car Parts' and you'll find on line stores.
One that I like, and have bought from before is www.towerhobbies.com.
Your other option would be to buy a RC Car magazine and flip through there looking at the advertisments. Almost every single one will have a website now that you can look up prices.
Also, do a search for local hobby shops. I'm sure every town will have one near by. They may also have first hand knowledge of what your looking for.
Hope this helps.
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