c3woc/rpi_zero_neopixel_buzzer
1
0
Fork 0
Code Pull requests Releases Activity

update rainbow

Browse source
This commit is contained in:
L3D 2024-03-24 23:18:03 +01:00
parent 954a52cc4d
commit cc9e38a65e
No known key found for this signature in database
GPG key ID: AD65B920933B4B20
1 changed files with 19 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
rgb_rainbow.py
View file

@ -1,7 +1,7 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Example RGB to Neopixel LED
Example Rainbow Animation for Neopixel LED
"""
import time
from rpi_ws281x import Adafruit_NeoPixel, Color
@ -9,30 +9,34 @@ from rpi_ws281x import Adafruit_NeoPixel, Color
# NeoPixel configuration
PIN_NEO_PIXEL = 18
NUM_PIXELS = 24
DELAY_INTERVAL = 50
DELAY_INTERVAL = 0.01
# Create NeoPixel object
NeoPixel = Adafruit_NeoPixel(NUM_PIXELS, PIN_NEO_PIXEL)
NeoPixel.begin() # Initialize NeoPixel strip object
def wheel(pos):
"""Generate rainbow colors across 0-255 positions."""
pos = pos % 256 # Ensure pos stays within 0-255 range
if pos < 85:
return Color(int(pos * 3), int(255 - pos * 3), 0)
if pos < 170:
pos -= 85
return Color(int(255 - pos * 3), 0, int(pos * 3))
return Color(0, int(pos * 3), int(255 - pos * 3))
try:
while True:
# Turn on all pixels to green
for pixel in range(NUM_PIXELS):
NeoPixel.setPixelColor(pixel, Color(0, 255, 0))
# Rainbow cycle animation
for j in range(255):
for pixel in range(NUM_PIXELS):
color = wheel((pixel * 256 // NUM_PIXELS) + j)
NeoPixel.setPixelColor(pixel, color)
NeoPixel.show()
time.sleep(DELAY_INTERVAL / 1000.0)
time.sleep(2)
# Turn on all pixels to red
for pixel in range(NUM_PIXELS):
NeoPixel.setPixelColor(pixel, Color(255, 0, 0))
NeoPixel.show()
time.sleep(DELAY_INTERVAL / 1000.0)
time.sleep(2)
time.sleep(DELAY_INTERVAL)
except KeyboardInterrupt:
# Clean up code before exiting the script
for pixel in range(NUM_PIXELS):
NeoPixel.setPixelColor(pixel, Color(0, 0, 0))
NeoPixel.show()
NeoPixel.show()