kopia lustrzana https://github.com/pimoroni/pimoroni-pico
57 wiersze
1.8 KiB
Python
57 wiersze
1.8 KiB
Python
import time
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import plasma
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from plasma import plasma_stick
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from machine import RTC
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"""
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Spooky moon simulator!
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The LEDs will get brighter as midnight approaches!
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It won't do much in the day...
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Needs to be run from Thonny to get the right time.
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"""
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# Set how many LEDs you have
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NUM_LEDS = 50
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# pick a hue (0 - 360° on the colour wheel)
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# warm white moon - 60, blue moon - 230 , blood moon - 0
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HUE = 60
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SATURATION = 0.2 # increase this for a more colourful moon (max 1.0)
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# when to start counting down from, in seconds before midnight
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# eg from 10pm = 2 hours = 2 * 60 * 60 = 7200
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COUNT_FROM = 14400
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# set up the WS2812 / NeoPixel™ LEDs
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led_strip = plasma.WS2812(NUM_LEDS, 0, 0, plasma_stick.DAT, color_order=plasma.COLOR_ORDER_RGB)
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# start updating the LED strip
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led_strip.start()
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while True:
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# get the time from Pico RTC
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year, month, day, _, hour, minute, second, _ = RTC().datetime()
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print(f'Time is {hour:02d}:{minute:02d}')
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# calculate how long to go until midnight
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if hour >= 12:
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hours_to_go = 23 - hour
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minutes_to_go = 59 - minute
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seconds_to_go = 59 - second
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total_seconds = hours_to_go * 60 * 60 + minutes_to_go * 60 + seconds_to_go
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print(f'{total_seconds} seconds until midnight')
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# or, if it's after midnight
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else:
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hours_since = 0 + hour
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minutes_since = 0 + minute
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seconds_since = 0 + second
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total_seconds = hours_since * 60 * 60 + minutes_since * 60 + seconds_since
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print(f'{total_seconds} seconds since midnight')
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# gets brighter as witching hour approacheth
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brightness = max(0, (COUNT_FROM - total_seconds) / COUNT_FROM)
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for i in range(NUM_LEDS):
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led_strip.set_hsv(i, HUE / 360.0, SATURATION, brightness)
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print(f'Brightness - {brightness * 100} %')
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time.sleep(10.0)
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