An infinity mirror displays endless reproductions of whatever sits between its two reflective surfaces. This wearable design puts a twist on the typical infinity mirror project. By using holographic vinyl as the reflective material and EVA foam as a base, we are able to form the flexible materials into a circular collar, creating an appealing statement necklace.

The two Side Light NeoPixel strips nestled between the vinyl layers produce colorful, dynamic patterns multiplied many times over in the resulting reflections. Controlled with CircuitPython code running on an ItsyBitsy nrf52840 Express, this unique wearable accessory lets you choose custom colors and animation patterns on the go with the Bluefruit phone app interface.

Parts List

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth LE...
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Fancy new side light LED strips are a great alternative for folks who have loved and used Adafruit LED strips for a few years but want gorgeous, glowy light emitting at...
$17.95
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If you have an ItsyBitsy or Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! Instead of wiring 2...
$4.95
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Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery...
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These nice switches are perfect for use with breadboard and perfboard projects. They have 0.1" spacing and snap in nicely into a solderless breadboard. They're easy to switch...
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Additional Parts/Materials:

  • Transparent holographic vinyl, like this roll from Amazon that is partially reflective and approximately 4 mil (0.4 mm) thick. Not all holographic vinyl is transparent so check the description carefully before purchasing.
  • One sheet of black, 2mm thick EVA foam with adhesive backing that is 12" wide or wider. Etsy vendors such as this one can be a good source for EVA foam sheets.
  • Double-sided clear adhesive tape that either comes in a 1/8" roll or in a sheet that can be cut to size. This clear craft tape works well
  • A 6" length of black, 1/2" wide self-adhesive Velcro (hook and loop) strip, like this one
  • Painters' tape or other low-tack, easily removable masking tape
  • Electrical tape
  • A sturdy cylindrical base, such as large aluminum can, to build the collar around
  • Optional but helpful: a good glue for sticking EVA foam to itself, such as Gorilla Clear Glue
  • Hookup wire
  • Shrink tube

Tools:

  • Soldering iron/solder
  • Wire cutter/stripper
  • Scissors
  • Pen
  • Printer and printer paper
  • Craft knife
  • Cutting mat or surface
  • Ruler/straightedge

This guide was first published on Feb 02, 2021. It was last updated on Feb 02, 2021.

This page (Overview) was last updated on Feb 09, 2021.

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