Physical computing LED tutorial - Programmable NeoPixel RGB LED ring using FastLED

Variable effect for indicators or interfaces. How to control animations on a NeoPixel RGB LED ring using the FastLED Arduino library

Setup

You can click the image to play the associated YouTube video

Schematic

BOM

€ 14,00 Adafruit Metro Mini 328 5V 16MHz microcontroller
€ 25,00 Adafruit NeoPixel Ring 24 x 5050 RGB LED
€  2,00 CdS photoresistor
€  1,00 Breadboard trim potentiometer 10kΩ
€  1,00 Tactile button momentary switch
€  4,00 Half-size transparent breadboard
€  2,00 Breadboard mini modular black
€  1,00 Jumper cables
€  1,00 2,1mm DC barrel-jack
€  1,00 1µF & 1000 µF 10V el. caps, 10kΩ & 470Ω resistors
€  8,00 MEANWELL GS12E05-P1I PSU
€ 60,00

Useful links

μc https://www.adafruit.com/product/2590
LED ring https://learn.adafruit.com/adafruit-neopixel-uberguide/downloads
LED library https://github.com/FastLED/FastLED (see also Wiki pages)