Rainy day project - camera barndoor
It rained pretty much all week in CA which is actually great. I had been thinking about a barndoor for my camera and I had an Arduino and some steppers lying around so here it is. Not quite finished yet - I need to add a battery pack, the pics you see is the working barndoor powered by a USB slot - and some wire cleanup/hiding. But it's nice to see. It is a very simple design with the motor driving a short screw directly. Because of the direct drive simplicity the screw length is necessarily small (little toerlance) but long enough for almost an hour I think, which is much more than what I need. Too bad I had to use an Arduino Mega, which is really overkill. I may get a smaller one some day and replace it.
Clear skies, Henk. Telescopes: Carbon fiber ES ED127CF, Zhumell Z12, Coulter Odyssey 10, AT6RC, Venture RX-7, Celestron Skymaster 20x80, Mounts and tripod: AVX, LXD55, Tiltall, Cameras: Canon (SX40, 450D, 350D, ELPH 100HS), Samsung NX100, DIY: Dob and camera barndoor trackers, afocal adapter, foldable Dob base with leveling feet, Az/Alt setting circles, Accessories: Counterweight bar attachment, Plossls, Barlows, Telrad, SSAG, laser collimators (Seben LK1, Z12, Howie Glatter), Cheshire, 2 Orion RACIs 8x50, Software: DSS, ImageMagick, PHD, Nebulosity, Photo Gallery, Gimp, CHDK
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