[TriEmbed] Circuit Help

John Vaughters jvaughters04 at yahoo.com
Mon Dec 7 07:32:22 CST 2015


Here are a bunch of h-bridge designs if you are really looking to get the cost down, or maximize cost and power. At a minimum, this page will help you understand h-bridges.
H-Bridge
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| H-BridgeTHE H-BRIDGE Home     The H-Bridge is designed to drive a motor clockwise and anticlockwise.  |
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| View on www.talkingelectroni... | Preview by Yahoo |
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    On Saturday, December 5, 2015 10:41 AM, Grawburg via TriEmbed <triembed at triembed.org> wrote:
 

 I think using an H-Bridge (there is a board for the Pi) is the route I'm going to take, primarily because it introduces me to something new.
Since I'm already using an I/O port expander I've got plenty of GPIO pins and a little extra isolation.
Thanks to everyone's input.  Using a couple of relays is being filed away for another project.

Much appreciation,

Brian Grawburg

BTW: Which e-mail protocol is favored: Original comment first followed by answer/response, or as I have it here?


-----Original Message-----
From: "Rick via TriEmbed" <triembed at triembed.org>
Subject: Re: [TriEmbed] Circuit Help


Good evening Brian,

I think you'll find an H-Bridge to be the best solution from an availability standpoint (used to drive stepper motors and DC brushed/brushless motors), the inherent lockout design (keeps you from shorting your supply bus), and the isolation necessary between your 12 volt power supply and your controller circuitry. Oh, did I mention the good H-Bridges limit current?


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