WS2812 datasheet(69/98 Pages) RASPBERRY-PI

Part #	WS2812

Description	Created by Phillip Burgess

PDF	98 Pages

Scroll/Zoom	100%

Manufacturer	RASPBERRY-PI [Raspberry Pi Holdings PLC]

Direct Link	https://www.raspberrypi.com/

Logo

69 / 98 page

The last argument is exactly the same as with the NeoPixel library, indicating the type of LED pixels being used. In the

majority of cases with the latest NeoPixel products, you can simply leave this argument off…the example code is just

being extra descriptive.

The point of this setup is that the rest of the sketch never needs to think about the layout of the matrix. Coordinate

(0,0) for drawing graphics will always be at the top-left, regardless of the actual position of the first NeoPixel.

Why not just use the rotation feature in Adafruit_GFX?

Adafruit_GFX only handles rotation. Though it would handle our example above, it doesn’t cover every permutation

of rotation

and mirroring that may occur with certain matrix layouts, not to mention the zig-zag capability, or this next

bit…

https://learn.adafruit.com/adafruit-neopixel-uberguide

Page 72 of 101

WS2812 Datasheet(PDF) 69 Page - Raspberry Pi Holdings PLC