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Author Topic: Work  (Read 368 times)

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Offline husein06Topic starter

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Work
« on: December 01, 2012, 12:10:39 PM »
Hello,

So I have an Arduino Uno r3 and deciding on purchasing these motor kits http://www.parallax.com/Store/Accessories/MotorServoControllers/tabid/160/List/0/SortField/4/ProductID/587/Default.aspx?txtSearch=ball+caster

Would they work with the SN754410 motor driver ?

and will these batteries work with the motor?
http://www.robotshop.com/productinfo.aspx?pc=RB-Hpr-04&lang=en-US

Thank you
« Last Edit: December 02, 2012, 02:14:13 PM by husein06 »

Offline waltr

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Re: Right motors and driver?
« Reply #1 on: December 01, 2012, 12:34:00 PM »
Motor spec: Stall Current: 4.8 A

Driver:
http://www.pololu.com/catalog/product/24
Spec: a peak current of 1 A per channel

Motor current much greater than driver current = smoke.

You need a H-bridge driver capable of at least 4.8A

Tow of these would work for those motors:
http://www.pololu.com/catalog/product/1212

Offline Soeren

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Re: Right motors and driver?
« Reply #2 on: December 01, 2012, 01:01:35 PM »
Hi,

Would they work with the SN754410 motor driver ?
The motor has a no-load current of 0.27A and a stall current of 4.8A, but no mention of a realistic load current, so maybe it will, maybe not, but I'd go for at least a 2A driver and then add over-current protection to keep motor as well as driver safe.


and will these batteries work with the motor?
Yes.
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

 


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