62 lines
1.2 KiB
Python
62 lines
1.2 KiB
Python
import time
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import machine, neopixel
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lednumber = 8
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np = neopixel.NeoPixel(machine.Pin(14), lednumber)
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def demo(np):
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n = np.n
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# cycle
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for i in range(4 * n):
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for j in range(n):
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np[j] = (0, 0, 0)
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np[i % n] = (255, 255, 255)
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np.write()
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time.sleep_ms(25)
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# bounce
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for i in range(4 * n):
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for j in range(n):
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np[j] = (0, 0, 128)
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if (i // n) % 2 == 0:
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np[i % n] = (0, 0, 0)
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else:
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np[n - 1 - (i % n)] = (0, 0, 0)
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np.write()
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time.sleep_ms(60)
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# fade in/out
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for i in range(0, 4 * 256, 8):
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for j in range(n):
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if (i // 256) % 2 == 0:
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val = i & 0xff
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else:
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val = 255 - (i & 0xff)
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np[j] = (val, 0, 0)
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np.write()
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# clear
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for i in range(n):
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np[i] = (0, 0, 0)
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np.write()
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def npcolor(r, g, b):
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for i in range(lednumber):
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np[i] = (r, g, b)
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np.write()
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def npcycle():
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for i in range(2 * lednumber):
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for j in range(lednumber):
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np[j] = (0, 0, 0)
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np[i % lednumber] = (126, 20, 126)
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np.write()
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time.sleep_ms(150)
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npcolor(0,0,0)
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npcycle()
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npcolor(0,0,0)
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#demo(np) |