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