Build a custom NeoPixel LED matrix in the shape of a heart! Trigger colors and animations with BLE using the ItsyBitsy nRF52840. Use Black LED acrylic and 3D printed case to make it wearable!

Learn Guide

https://learn.adafruit.com/neopixel-led-heart-necklace/

ItsyBitsy nRF52840

https://www.adafruit.com/product/4481

Mini Skinny NeoPixel Strip

https://www.adafruit.com/product/2970

Lipo Backpack

https://www.adafruit.com/product/2124

500mAh Battery

https://www.adafruit.com/product/1578

Slide Switch

https://www.adafruit.com/product/805

10-wire ribbon cable

https://www.adafruit.com/product/3890

Black LED Acrylic

https://www.tapplastics.com/product/plastics/cut_to_size_plastic/black_led_sheet/668

Project inspired by Charlyn Gonda

https://charlyn.codes/magic-acrylic-stays-opaque-until-light-shines-through/

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