26 lines
805 B
Python
26 lines
805 B
Python
# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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NeoSlider NeoPixel Rainbow Demo
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"""
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import board
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from rainbowio import colorwheel
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from adafruit_seesaw.seesaw import Seesaw
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from adafruit_seesaw.analoginput import AnalogInput
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from adafruit_seesaw import neopixel
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# NeoSlider Setup
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neoslider = Seesaw(board.I2C(), 0x31)
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potentiometer = AnalogInput(neoslider, 18)
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pixels = neopixel.NeoPixel(neoslider, 14, 4)
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def potentiometer_to_color(value):
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"""Scale the potentiometer values (0-1023) to the colorwheel values (0-255)."""
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return value / 1023 * 255
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while True:
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print(potentiometer.value)
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# Fill the pixels a color based on the position of the potentiometer.
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pixels.fill(colorwheel(potentiometer_to_color(potentiometer.value)))
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