Glowing Wire Wrap Necklace with LED Lights – Programmable, with USB Charging #adafruit: A New video by Adafruit Industries

Sometimes you want to add animated lights to your costume or project and you’re really limited on space. Necklaces are a great example of this – a glowing pendant can be so striking, but if it’s too big and bulky it can cross the line to “gaudy” pretty quickly. 

This tutorial aims to make the smallest possible NeoPixel module or insert for your project. We’ve worked to make it super small, at around 1/2″ thick and about 2″ across.

This tiny package still contains all the niceties:

7-12 addressable NeoPixel lights
A compact on/off switch
A rechargeable battery with 4+ hours of battery life
Onboard USB charging capability

We’re using an Itsy Bitsy M0 microcontroller, which can be programmed with CircuitPython, MakeCode or Arduino, so you’ve got lots of options, and we’ve included an easy-to-customize code sample as well.

Visit the Adafruit shop online – http://www.adafruit.com
Music by Darrell St Blaine

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