pimoroni-pico/micropython/examples/plasma_stick/fire.py

24 lines
550 B
Python

import plasma
from plasma import plasma_stick
import time
from random import random, uniform
"""
A basic fire effect.
"""
# Set how many LEDs you have
NUM_LEDS = 50
# 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()
while True:
# fire effect! Random red/orange hue, full saturation, random brightness
for i in range(NUM_LEDS):
led_strip.set_hsv(i, uniform(0.0, 50 / 360), 1.0, random())
time.sleep(0.1)