kopia lustrzana https://github.com/pimoroni/pimoroni-pico
38 wiersze
726 B
Python
38 wiersze
726 B
Python
import plasma
|
|
from plasma import plasma_stick
|
|
import time
|
|
|
|
"""
|
|
Make some rainbows!
|
|
"""
|
|
|
|
# Set how many LEDs you have
|
|
NUM_LEDS = 50
|
|
|
|
# The SPEED that the LEDs cycle at (1 - 255)
|
|
SPEED = 20
|
|
|
|
# How many times the LEDs will be updated per second
|
|
UPDATES = 60
|
|
|
|
# WS2812 / NeoPixel™ LEDs
|
|
led_strip = plasma.WS2812(NUM_LEDS, 0, 0, plasma_stick.DAT, color_order=plasma.COLOR_ORDER_RGB)
|
|
|
|
# Start updating the LED strip
|
|
led_strip.start()
|
|
|
|
offset = 0.0
|
|
|
|
# Make rainbows
|
|
while True:
|
|
|
|
SPEED = min(255, max(1, SPEED))
|
|
offset += float(SPEED) / 2000.0
|
|
offset %= 1
|
|
|
|
for i in range(NUM_LEDS):
|
|
hue = (offset + float(i) / NUM_LEDS) % 1
|
|
led_strip.set_hsv(i, hue + offset, 1.0, 1.0)
|
|
|
|
time.sleep(1.0 / UPDATES)
|