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Anemone

Freeform soldered space flower

michael-barton-sweeneyMichael Barton-Sweeney
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LED flower with multiplexed photoresistor compound eye.

The space anemone is made up of a freeform circuit above the surface, and a Raspberry Pi and power board below the surface. The freeform circuit consists of LEDs, an LED line driver, an ADC, a shift register, MOSFETs, photoresistors with heat-shrink and a thermistor. It is inspired by anemones (the flower) and sea anemones.

  • Photograph

    Michael Barton-Sweeney • 01/08/2019 at 01:20 • 0 comments

    I sent the anemone to get photographed, but it got damaged in transit. I'm going to fix it and get it photographed again. Both sides of the anemone got bent over and it looks weird to me.

    This older picture shows how the structure should look.

  • Video

    Michael Barton-Sweeney • 12/30/2018 at 18:03 • 0 comments

    Here are some videos of the anemone:

  • Compound Eye

    Michael Barton-Sweeney • 12/30/2018 at 17:57 • 2 comments

    The anemone has a compound eye made from photoresistors. I used heat-shrink to hood them, and multiplexed them using a shift register, mosfets and an ADC. With some simple processing, it is able to tell the direction and speed of motion that occurs near by.

    The compound eye is similar to previous compound eyes I made for other art pieces and experiments.

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Discussions

Emily Velasco wrote 01/15/2019 at 17:38 • point

This has such a great look! What did you use for the clear dome?

  Are you sure? yes | no

Michael Barton-Sweeney wrote 01/17/2019 at 02:46 • point

Thank you so much! I made the dome by blowing acrylic sheet using an oven I built: https://hackaday.io/project/112181-plastics-blow-oven

  Are you sure? yes | no

Elliot Williams wrote 01/12/2019 at 21:29 • point

Compound eye!  Holy cow!

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Michael Barton-Sweeney wrote 01/17/2019 at 02:46 • point

:) Thanks!

  Are you sure? yes | no

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