We live in a 150 year old farm house with the original windows. Despite insulation and new siding, it is like living in a sieve, in the winter time . To combat this problem we install plastic over the windows to try and stop the drafts. This has to be installed on the inside or the winter winds will just tear it up. I built this contraption to open and close out blinds in the winter time.

Step 1: The Power Source

I started with a Black and Decker $10 drill/screwdriver. I tried several different motors but none of them had enough torque to turn the shaft to open the blind.
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dont you think youd break the blinds if you hold one of the buttons too long?
One way to deal with that may be to use a limiting switch that would stop the motor once the blinds is fully open or closed. <br />
Depends on the torque of the motor you're using;<br/><br/>A lot of torque = potentially break the blinds<br/>Not a lot of torque = potentially burn out the motor.<br/><br/>I'd just not hold the button too long.<br/>
At a auction i bought a box of motor from a car for £2 (About $4) and it has a Car window Opener motor thing It slides a Little plastic piece on a bar I was thinking of sticking it At the top of my Window and putting some cloth over my window and making a sorta Electronic Curtain opener
You could have gone to radioshack and gotten an AA battery case, so you wouldn't have to tape the batteries together.
Ya I did think of that but it would not fit in my project box.
You could probably use a rubber rod to transfer the torque. This way, if you ran the drill for just a little too long, the rubber could just twist a little instead of the blind mechanism breaking. Also, to avoid soldering, you can get those little plastic battery holders that hold 4 AA batteries. They're quite cheap.
. Great job.<br/>. !http://contraptionmaker.info = This site is currently unavailable.<br/>
Sorry, will be back online within the hour
I like it. And "If you are the owner of this site (contraptionmaker.info), please contact us at 1-480-505-8855 at your earliest convenience" L

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Bio: I love to build things. My love affair with destructing, constructing and reconstructing stuff began when I was very young. When I got a new ... More »
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