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
neopixel derives from Pypixelbuf, and inherits a brightness property from that module.  Did you try it?
Is it possible to change the brighness on the fly for Adafruit_CircuitPython_NeoPixel