DIY electric roll-up screen - AVS Forum
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post #1 of 11 Old 12-15-2005, 11:16 AM - Thread Starter
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I just put together a DIY electric roll-up screen that was quite easy to do.

For the power, I used a cheap electric screwdriver that I got from Ace Hardware right before Thanksgiving for $4. I then mounted it on a board, and connected a flat-head screwdriver bit to a disk (having a slot to receive the bit). The disk is attached to a wooden dowel that extends and connects to one end of the tube of a manual roll-up shade (I removed the spring mechanism, and attached a threaded pipe receptacle inside the tube to receive the wooden dowel. The dowel stays in place due to a screw through the metal pipe receptacle.

The dowel is further placed through a bearing that is connected to the board with the electric screwdriver that allows the dowel to freely rotate. All of this sits on top of a window, and the whole screen and electric driver is hidden by a cornice. When I want to use the screen, I reach up to push the buttons on the electric screwdriver for up and down.

High WAF on this one...

I'll try to take some pictures and post them tonight.

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post #2 of 11 Old 12-15-2005, 05:48 PM - Thread Starter
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Here are the pictures:

http://i25.photobucket.com/albums/c9...Picture004.jpg

http://i25.photobucket.com/albums/c9...Picture002.jpg

http://i25.photobucket.com/albums/c9...Picture001.jpg


Taking the spring out of the shade tube:
http://i25.photobucket.com/albums/c9...Picture006.jpg


The empty tube with the threaded receptacle:
http://i25.photobucket.com/albums/c9...Picture011.jpg

The receptacle in the tube--the dowel fits right in:
http://i25.photobucket.com/albums/c9...Picture012.jpg

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post #3 of 11 Old 12-16-2005, 12:30 PM
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Ingenious idea regarding the electric screwdriver (reversing DC motor with gearing already packaged). I have an old one with a battery that's on it's last legs. Mine even has an adjustable clutch that could be useful.

It shouldn't be too hard to break into it to ...

1) Connect external DC power supply (wall wart).
2) Remote an UP/DOWN switch to a more convenient location on the wall.

Someone very clever could even connect an IR control, i bet.

Thanks for sharing the brainstorm.

Mike
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post #4 of 11 Old 12-16-2005, 04:50 PM - Thread Starter
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Unfortunately, I do not feel that I have the expertise to break into mine. But I would love to hook mine up to a remote control as well. I have some X10 receptacles that could easily be used for something like this.

As it is, I have to reach up and manually hit the switch to make the screen move. It actually works fine, although I might reverse the whole thing to the other side--right now, the screen rolls up underneath, which creates some tension because the screen hits the top of the vertical blind bar of the window. If I put the device on the other side, I can flip the screen, and the screen will rise and fall from over the top of the roll, which should make it move much smoother. Right now, going up is a bit of a struggle for the screen.

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post #5 of 11 Old 12-19-2005, 07:49 AM - Thread Starter
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Arggh. The electric screwdriver I was using won't charge! (You get what you pay for.)

The store was nice to take it back, and I picked up an IGO electric screwdriver/drill set they were selling (it also comes with the nine AA batteries needed to power them--which leads me to one of the negatives of these--not rechargeable, which means I will have to go up, take down the cornice to change the batteries...)

Anyway, will post further when I get this all hooked up...

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post #6 of 11 Old 12-19-2005, 07:50 AM
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Bummer!
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post #7 of 11 Old 12-19-2005, 12:49 PM
 
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Quote:
Originally Posted by Steve Scherrer
not rechargeable, which means I will have to go up, take down the cornice to change the batteries...)
Steve-

The duty cycle for this suggests that you won't need to change the batteries that often. If you do a little surgery, then you could easily connect up a wall transformer.

The next step is to add a wireless remote.

Don
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post #8 of 11 Old 12-19-2005, 02:13 PM - Thread Starter
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Quote:
Originally Posted by camarillo_cinema
Steve-

The duty cycle for this suggests that you won't need to change the batteries that often. If you do a little surgery, then you could easily connect up a wall transformer.

The next step is to add a wireless remote.

Don
When the first electric screwdriver wouldn't charge, I took it apart, and it is pretty basic. I could easily have hooked up a transformer to it and make it work.

That would certainly allow me to easily add a wireless remote as well (I have some X10 receptacles lying around). Those will probably be my next steps when I get bored.

But all in all, it is a very cheap and robust system, and very inexpensive.

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post #9 of 11 Old 12-19-2005, 02:52 PM
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This was a great idea. Hopefully someone can expand on it. Maybe we can put heads together and come up with a part list from Home Depot and come up with a clean way to do this. Would be great if it could be powered by an extension cord to an outlet or some type of rechargeable port. Keep up the great ideas!!

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post #10 of 11 Old 12-20-2005, 08:27 AM
 
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Quote:
Originally Posted by Steve Scherrer
That would certainly allow me to easily add a wireless remote as well (I have some X10 receptacles lying around).
Steve-
Not sure that x-10 will get you there. This may be able to turn on the power to a wall transformer, dropping down the screen, but then what?

You may want to do a Google search and see if there are any IR remote control receivers out there that have a dual relay output.

Otherwise, just solder a pair of wires across the switch and drop it down to a switch plate on the wall. Beats climbing up on a step stool when you want to watch a movie!

Don
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post #11 of 11 Old 12-20-2005, 08:28 AM - Thread Starter
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Got the IGO electric screwdriver up there, but had to mess around with it a bit, because the handle is permanently set at a 45 deg. angle compare to the base. And instead of having forward/reverse on the same trigger switch, it has a switch separate from the trigger to reverse. Therefore, pinning the thing down on a board took some doing.

Oh, and I also swapped out my wooden dowel for a long piece of PVC pipe that is inserted directly into the roller shade tube. I think this is a more robust system than what I had before. Picture coming soon.

But man is that IGO screwdriver loud! My wife cracked up when I showed it to her for the first time--it sounds like someone is trying to tunnel through our wall!

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