Short Project: Sound Reactive LED Accessory

In preparation for an event this weekend where I want a bit of a cyberpunk look, I’m finally going to start work on a sound-reactive light-up accessory. It may be a choker, or it may be in some sort of headwear – I’m still evaluating my options. I’ll be using Adafruit’s instructions https://learn.adafruit.com/sound-reactive-neopixel-peace-pendant as a

Prototyped it

On Sunday, I successfully prototyped the circuit to power and control ~ 1m of Neopixel Strip using the Gemma microcontroller and printed an enclosure to protect the Gemma. I did this the usual way of uploading via putting test code in a new sketch with the arduino app and uploading it from the computer that way. Later