kwartzlab makerspace

Nov
10

kwartzlab – animatronic eye prototype

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I’m working on an ultra low-cost animatronic eye that blinks. Fabbing my own solenoid (1″ throw) out of drinking straws, magnet wire and a tiny magnet. Imagine a whole array of these eyes.

click through for stills…


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This project is an extension of my general work exploring human reaction to different realizations of “eyes”. Thanks to Karl for being a sounding board and Dan for the paper eyelid idea.

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Considered lots of ways to achieve a fast blink but none were as fast and as cheap as a homerolled solenoid.

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Styrofoam ball the dollar store ($1 for 6), paper, foamboard, drinking straws, neodymium magnet, wire, 12V power supply

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Winding coils. A bit sloppy but fast for proof of concept.

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Picked up some finer gauge wire from Karl tonight (thanks man!) to roll smaller coils with more flux. This is optimize the coil time.

Make: eyes.
DW