A random, geeky blog

Stepper motor in antique color wheel

I’ve got an antique color wheel that has a frozen motor. If you aren’t familiar with what this is, it’s a rotating multicolor wheel with a lightbulb behind it to make an aluminum christmas tree change colors.

Here’s a picture:

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I took it apart, and found this:

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The original motor was geared to the correct speed, and was basically beyond repair. I started digging through my junk box and found the stepper motor from our old microwave. Perfect. All I had to do as far as wiring was solder two wires between the motor and the plug for the old motor. Instead of drilling lots of holes and putting bolts to mount the motor, I just glued it in place with some silicone.

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It looks off center, but the shaft of the motor is exactly where it should be. Next, I drilled a hole in the middle of the plastic shaft, then screwed the wheel back on.

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This whole project took about twenty minutes. Well worth it.

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