= Using PIO to drive a set of NeoPixel Ring (WS2812 LEDs)
:xrefstyle: short
Combination of the PIO WS2812 demo with the Adafruit 'essential' NeoPixel example code to show off color fills, chases and of course a rainbow swirl on a 16-LED ring.
== Wiring information
See <<neopixel-wiring-diagram>> for wiring instructions.
[[neopixel-wiring-diagram]]
[pdfwidth=75%]
.Wiring the 16-LED NeoPixel Ring to Pico
image::neopixel_ring.png[]
== List of Files
A list of files with descriptions of their function;
neopixel_ring.py:: The example code.
== Bill of Materials
.A list of materials required for the example
[[ring-bom-table]]
[cols=3]
|===
| *Item* | *Quantity* | Details
| Breadboard | 1 | generic part
| Raspberry Pi Pico | 1 | https://www.raspberrypi.com/products/raspberry-pi-pico/
| NeoPixel Ring | 1 | https://www.adafruit.com/product/1463
|===
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