(Fwd) RE: Cheap Motor drivers [OT]
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From: media-garden.com (Larry Payne) lpayne
To: "'toastmaster.com'" < lileltoastmaster.com> lilel
Subject: RE: Cheap Motor drivers [OT]
Date: Wed, 10 Sep 1997 15:23:29 -0500
>.In the past I have used a SGS-Thompson L293D to drive small DC
>motors at 24VDC with a PIC. It is a 4 channel push-pull driver with
>internal clamping diodes. It is a 16 pin package with the capability
>to provide 2 full bridges (thus driving 2 motors). It is limited to
.>.about 600 ma. and needs around 40 ma. to operate. Its current
>price is $2.53USD from Arrow Electronics.
>You can check it out at http://www.st.com.
At $2.53 US each that's $0.63 per H bridge. I don't think I could
build a discrete H bridge much cheaper. And $2.53 is the onesies
price. Looks very interesting. Thanks!
See also: www.piclist.com/techref/io/motors.htm?key=motor
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