CodingPirates/microbit-micropython-cookbook
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Update README.md

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Alan Wang
2020-02-26 11:10:17 +08:00
committed by GitHub
parent a9f4d85f48
commit 78019002c2
1 changed files with 6 additions and 7 deletions
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README.md
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@@ -249,22 +249,22 @@ np = NeoPixel(led_pin, led_num)
def showRainbow():
change_amount = int(led_maxlevel / (led_num / 3))
index = [0, int(led_num / 3), int(led_num / 3 * 2)]
index = (0, int(led_num / 3), int(led_num / 3 * 2))
for i in range(led_num):
color = [0, 0, 0]
for j in range(3):
if abs(i - index[j]) <= int(led_num / 3):
if abs(i - index[j]) <= index[1]:
color[j] = led_maxlevel - abs(i - index[j]) * change_amount
if color[j] < 0:
color[j] = 0
if i >= int(led_num / 3 * 2):
if i >= index[2]:
color[0] = led_maxlevel - (led_num - i) * change_amount
if color[0] < 0:
color[0] = 0
np[i] = (color[0], color[1], color[2])
np[i] = tuple(color)
np.show()
def rotate():
def ledRotate():
tmp = np[led_num - 1]
for i in reversed(range(1, led_num)): # clockwise
np[i] = np[i - 1]
@@ -275,7 +275,6 @@ def rotate():
showRainbow()
while True:
rotate()
ledRotate()
sleep(50)
```