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https://github.com/pybricks/pybricks-api.git
synced 2026-09-11 17:14:41 +00:00
Laurens Valk
b0ffb24a2e
These code samples are rendered in the docs, so we include them here. For the git history of these snippets, see: https://github.com/pybricks/pybricks-projects/commits/f4914069aaacfd9ab1e0dd6f05524f62cfc56b29/snippets
28 lines
669 B
Python
28 lines
669 B
Python
from pybricks.pupdevices import Light
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from pybricks.parameters import Port
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from pybricks.tools import wait, StopWatch
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# The math module is part of standard MicroPython:
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# https://docs.micropython.org/en/latest/library/math.html
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from math import pi, cos
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# Initialize the light and a StopWatch.
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light = Light(Port.A)
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watch = StopWatch()
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# Cosine pattern properties.
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PERIOD = 2000
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MAX = 100
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# Make the brightness fade in and out.
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while True:
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# Get phase of the cosine.
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phase = watch.time()/PERIOD*2*pi
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# Evaluate the brightness.
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brightness = (0.5 - 0.5*cos(phase))*MAX
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# Set light brightness and wait a bit.
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light.on(brightness)
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wait(10)
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