WS2812 datasheet(74/98 Pages) RASPBERRY-PI

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WS2812 데이터시트(PDF) 74 Page - Raspberry Pi Holdings PLC

부품명	WS2812

상세설명	Created by Phillip Burgess

PDF	98 Pages

Scroll/Zoom	100%

제조업체	RASPBERRY-PI [Raspberry Pi Holdings PLC]

홈페이지	https://www.raspberrypi.com/

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74 / 98 page

When driving NeoPixels I cannot receive infrared codes on my IR receiver!

Just like servos, the infrared library uses software interrupts to poll the IR LED, while the standard NeoPixel library

blocks interrupts while NeoPixel are being updated.

If you don't constantly update the NeoPixel, IR will work in between updates, but if you update them all the time, you

will need to use another library and a microcontroller more capable than an Uno or Mega. Ideally one with DMA so

that NeoPixels don't take up any CPU cycles.

Marc MERLIN explains how to this depending on what chip you have (Teensy, ESP8266 or ESP32):

http://marc.merlins.org/perso/arduino/post_2017-04-03_Arduino-328P-Uno-Teensy3_1-ESP8266-ESP32-IR-and-

Neopixels.html (https://adafru.it/xA2)

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

Page 77 of 101

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