> :: friend wants one moving spotlight to highlight
> :: a series of pieces in sequence
> 
> Sounds an  ideal wheeze for solar cell positioning

I have a neighbour who's got some smallish solar cells, and we were
talking about where to mount it and tracking for best collection. A couple
of steppers with either sun-seeking or an azimuth calendar would do

> programming satellite tracking

He also asked about a fine control for his telescope. The optics are
good, plus it has a camera attachment, but it's a really sh***y plastic
tripod and fine adjustment is nigh on impossible. A pan and tilt using
steppers and lead screws and a good metal base would be a huge
improvement

Neither of those unfortunately make use of my new-found stepper-
as-encoder knowledge ;-(

> curtain positioning

And yes, goodness, I've made a couple of those too !!! I've a picture
on a CD somewhere. That was based on a cordless drill and its re-
arranged gearbox with a daylight sensor. Surprising how much tug you
actually need to open and close curtains, especially long drapes

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