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[DPRG] diode logic?

Subject: [DPRG] diode logic?
From: Ray Xu rayxu123 at gmail.com
Date: Thu Feb 18 19:56:33 CST 2010

http://en.wikipedia.org/wiki/File:H_bridge_operating.svg  You can use DPDT
or DPST switches per each corresponding switch in the wikipedia schematic
shown.

Ray Xu

On Thu, Feb 18, 2010 at 7:41 PM, vincent lopresti <spaceminers2010 at yahoo.com
> wrote:

> ascii circuit: simple bi-directionl motor controller?
>
>
>                           sw1                   motor
> gnd-------{+12v batt}------/ --------|------------(o)------------gnd
>                                      |
>                           sw2       |
> gnd-------{-12v batt}------/ --------|
>
>
> sw1 pressed = motor cw
> sw2 pressed = motor ccw
> problem: sw1 & sw2 = short circuit!
>
> solve the problem using only diodes [no relays or transistors]
>
> is it possible to redesign the circuit to use only one 12v battery?
>
> robotrock =]
>
>
>
>
>
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