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strip.py
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strip.py
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import time
import board
import neopixel
import sys
num_pixels = 30
pixels = neopixel.NeoPixel(board.D18, 30)
side = 'l2r'
def strip(wait, colour):
global side
r = 1
for c in colour:
if side == 'l2r':
for i in range(num_pixels):
pixels[i] = c
time.sleep(wait)
side = 'r2l'
else:
for i in range(num_pixels):
move = (num_pixels - 1 - i)
pixels[move] = c
time.sleep(wait)
side = 'l2r'
r += 1
if len(sys.argv) > 1:
h_in = sys.argv[1]
else:
h_in = input('Enter comma separated hex list: ')
h_in = h_in.replace("#", "")
h_in = h_in.replace(" ", "")
h_ins = h_in.split(",")
colours = []
for h in h_ins:
RGB = tuple(int(h[i:i+2], 16) for i in (0, 2, 4))
colours.append(RGB)
while True:
strip(0.04, colours)