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Old Apr 17, 2012, 09:45 PM
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Canada, BC, Westbridge
Joined Feb 2012
5 Posts
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How do you make a servo out of windshield wiper motor?

I made a remote-controlled buggy and I have to have something to steer it. I heard about how some people make high-power servos out of windshield wiper motors and I'd like to know how.
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Old May 25, 2013, 12:40 AM
Registered User
United States, OR, Salem
Joined Aug 2010
25 Posts
I use an h bridge that plugs into a receiver and runs a 12 volt wiper motor. The h bridge is about 30 or 40 dollars. The motors are 10 to 20 bucks out of a pick a part. I have the receiver power the electronics on the h bridge and then use a separate 12 volt source for the motor. Works great, pm me and Ill give you the web address of the guy who sells them.
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Old May 26, 2013, 04:14 AM
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Joined Sep 2008
57 Posts
I did once spot some home made h-bridge stacks on ebay ,..once.
i don't think it's that much of an issue to create, you could use a old servo PCB, just need to rack and stack with heat sink all of those mosfets, I wondered if I could just alter an old RC car ESC, but never got round to it, besides, fwd may not be equal to reverse.
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Old Jun 07, 2013, 05:25 AM
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United States, OR, Salem
Joined Aug 2010
25 Posts
The guy who makes the hbridge has a website rcpowerservo dot com.
I cant say enough good things about these. He has video of a full size radio controlled truck.
Still willing to help if you want. To be clear, im not in any way affiliated with this company.
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