Motor for Blinds

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mvr - 23 Jun 2008 11:02 GMT

Hello,

I am from India, and am working on a project where I need to automate
the closing and opening of venetian blinds.

I have gone thru some materials on the net, and found that at a few
places, DC motors(24V) have been used, while at some stepper motors
have been. There was also a third kind called tubular motors that have
been used for this purpose.

I would like to know, which one of these would be ideally suited for
my application?

I am also looking to construct the entire setup myself. What would you
suggest as the best method to attach the cords of the blinds to the
shaft of the motor?

I wouldnt want to make use of X10 stuff, at this point of time.

Thanks,

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D&SW - 24 Jun 2008 00:26 GMT

You might reconsider your choice of motors. Look at using a cheap/used power
screwdriver. It will be slow, but will not require an additional gear train,
is easy to stop and reverse, and will have plenty of torque for raising the
blinds. Attachment could be a drum pulley to wrap the raise/lower cord
around. The blade tilt cord but could use same pulley idea but will be
harder to control.

> Hello,
>
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>
> Thanks,

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Homeowner Forum / Home Automation / June 2008

Motor for Blinds