27 lines
817 B
Python
27 lines
817 B
Python
import time
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import board
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import digitalio
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import adafruit_74hc595
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latch_pin = digitalio.DigitalInOut(board.D5)
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sr = adafruit_74hc595.ShiftRegister74HC595(board.SPI(), latch_pin)
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# Create the pin objects in a list
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pins = [sr.get_pin(n) for n in range(8)]
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while True:
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for _ in range(2): # Run the chase animation twice
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for enabled_pin in range(len(pins)):
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for pin_number, pin in enumerate(pins):
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if pin_number == enabled_pin:
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pin.value = True
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else:
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pin.value = False
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time.sleep(0.01)
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for _ in range(3): # Run the blink animation three times
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for pin in pins:
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pin.value = True
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time.sleep(0.5)
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for pin in pins:
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pin.value = False
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time.sleep(0.5)
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