Some fun with Neopixel / WS2812 LEDs in CircuitPython
A growing list of LED effects. So far:
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fire1 -- simple fire simulation, uses ulab
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ulab_speedup -- how to use ulab (CircuitPython Numpy) to speed up LED animations by 10x
Also, see my write up on it here
circuitpython_ulab_led_speedup.mp4
