Questions tagged [adafruit-circuitpython-neopixel]

4 questions
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isuue running rpi_ws281x(neopixels) using python on Rasberry pi 4

I have installed the files for ws2812 neopixels on raspberry pi 4b using : curl -L http://coreelec.io/33 | bash and ran the python strandtest.py I am facing an import error File "strandtest.py", line 9, in from rpi_ws281x import…
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Adafruit neopixel library not loading correctly onto raspberry pi pico

I've been trying to use the adafruit neopixel library to... well... use neopixels. However, I've been having some problems. I am using a pi pico, thonny as my IDE, and Ubuntu as my OS. I started off writing the code below, and running it, on…
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Non-blocking theater style chase animation for NeoPixels

I am trying to adapt this version of the Adafruit NeoPixel theater chase example to be non-blocking by not using the delay() function and instead of using the millis() function to create a counter, however, I am having no luck as the NeoPixels just…
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Is it possible to change the brighness on the fly for Adafruit_CircuitPython_NeoPixel

Is it possible to change the brightness on the fly for Adafruit_CircuitPython_NeoPixel ? It seems to be possible in a C library but no in python. Thanks, mcb