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sat0ken/ledring.py

Created December 5, 2017 17:20
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ledring.py
from machine import Pin
from neopixel import NeoPixel
import time, random
np = NeoPixel(Pin(5), 20, bpp=3)
step = 32
def light_on():
while True:
for i in range(20):
for j in range(20):
np[j] = tuple(( max(0, val - step) for val in np[j]))
r = random.randint(0, 255)
g = random.randint(0, 255)
b = random.randint(0, 255)
np[i] = (r, g, b)
np.write()
time.sleep(0.05)
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