NeoPixelWing < MecrispCube

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---+ !NeoPixel Wing

   * How to control a NeoPixel.
   * https://www.adafruit.com/product/2945
   * [[https://learn.adafruit.com/assets/29963][Schematics]]
   * I use the default digital pin D6 fo DIN

<img src="%ATTACHURLPATH%/2945-01.jpg" alt="2945-01.jpg" width="970" height="728" />

<pre>
3 6 dmod                       \ D6 output
32 cells buffer: pixelbuffer    \ create buffer for the neopixels
$ff0000 pixelbuffer !            \ 1st Neopixel red
$00ff00 pixelbuffer 1 cells + !   \ 2nd Neopixel green
$0000ff pixelbuffer 2 cells + !    \ 3th Neopixel blue
$7f7f7f pixelbuffer 3 cells + !     \ 4th Neopixel white 50 %
pixelbuffer 4 neopixels

create pixels 
$010000 , $020000 , $040000 , $080000 , $100000 , $200000 , $400000 , $800000 , \ 1st row red
$008000 , $004000 , $002000 , $001000 , $000800 , $000400 , $000200 , $000100 , \ 2nd row green
$000001 , $000002 , $000004 , $000008 , $000010 , $000020 , $000040 , $000080 , \ 3th row blue
$808080 , $404040 , $202020 , $101010 , $080808 , $040404 , $020202 , $010101 , \ 4th row white
pixels 32 neopixels
</pre>

-- %USERSIG{PeterSchmid - 2021-04-28}%

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Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
jpg	2945-01.jpg	r1	manage	385.1 K	2021-07-12 - 17:56	PeterSchmid

Topic revision: r6 - 2021-07-12 - PeterSchmid