Inside Out Memory Ball with #GemmaM0 and #NeoPixelJewel

From Bo Brinkman:

My family’s Halloween costumes this year are Inside Out themed, with my wife being Joy and my daughter being Sadness. I thought it would be fun to create a flickering memory ball that can change from yellow to blue when sadness picks it up.

My build is mostly based on https://learn.adafruit.com/10-minute-neopixel-necklace/introduction, so be sure to look there for any info I might be leaving out!

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