Opensource Ornithopter Prototype. Arduino Powered and Remote Controlled.
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Looks very cool. I have a simpler method - when I put the washing on, I put the washing basket in the hall where I see it regularly. Not nearly as technically refined I will admit.
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I actually made one of these (scarily almost identical, although a bit smaller and only five rings) for my Dad for his 80th birthday present about a year ago. He still hasn't gotten in to it ;-). You were clearly inspired by some of the same images I found of Cryptex on the net - your alphabet ring is almost identical to mine. I meant to write it up as an Instructable, but now I guess I don't have to (although perhaps the OpenSCAD files would be useful since they are all parameterised so the settings (like size and number of rings) can all be adjusted. Nice job.
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Be careful with UV LEDs less than 315nm. From a recent instructable comment (UV-Fluorescence Steampunk Lamp - https://www.instructables.com/id/Steampunked-Fluorescence-Reactor-by-Junophor/) "Just a safety tip for anyone who wants to build this project:UV wavelengths below 315 nm are harmful to the skin (not just the eyes) ! And the shorter they get the more damaging they are.If at all possible try using an LED for this build without the small peak at 245 nm, this is UV-C radiation and can be very harmful. Curing LED's (like the one used in this project seems to be) often have several peaks because its helpful in speeding up the curing process, it is however not good for your skin. (That's why they are only allowed to be used in closed environments where the harmful light can't esc...
Be careful with UV LEDs less than 315nm. From a recent instructable comment (UV-Fluorescence Steampunk Lamp - https://www.instructables.com/id/Steampunked-Fluorescence-Reactor-by-Junophor/) "Just a safety tip for anyone who wants to build this project:UV wavelengths below 315 nm are harmful to the skin (not just the eyes) ! And the shorter they get the more damaging they are.If at all possible try using an LED for this build without the small peak at 245 nm, this is UV-C radiation and can be very harmful. Curing LED's (like the one used in this project seems to be) often have several peaks because its helpful in speeding up the curing process, it is however not good for your skin. (That's why they are only allowed to be used in closed environments where the harmful light can't escape.) Even at the low energy levels of one or two LED's long term exposure will still do damage. A black light LED (400 nm) or an LED that produces only one wavelength between 385-415 nm would be fine for this project and way safer. Anything below 380 nm isn't visible anyway, so unless your trying to get a tan, try to stay away from the shorter wavelengths. I hope, even though we all like shiny things with a nice patina, we also like to keep our DNA in one piece ;)"
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Beautiful result! But you really should invest in some clamps for the hole drilling and use some pusher wood or something for that band-sawing. Your ring box will look a lot less beautiful if it gets blood stained!
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In your Fritzing wiring diagram, are the red VCC wires on either side of your diagram meant to be connected?
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These links: http://pyrodata.com/sites/default/files/MSDS-Iron-Oxide-Black-PJ318.pdf and http://www.lagunaclay.com/msds/pdf/3rawmat/adry/miroxbk01.pdf appear more directly applicable. It does not appear overly dangerous, although as with any power, avoiding breathing it in seems to be the appropriate strategy (a dust mask is probably a good idea).
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