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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