letITglow.py

   1 from machine import Pin
   2 from neopixel import NeoPixel
   3 import time, random
   4
   5 # Set up LED pins
   6 seg1 = Pin(0, Pin.OUT)
   7 seg2 = Pin(1, Pin.OUT)
   8 seg3 = Pin(2, Pin.OUT)
   9 seg4 = Pin(3, Pin.OUT)
  10 seg5 = Pin(4, Pin.OUT)
  11 seg6 = Pin(6, Pin.OUT)
  12
  13 # Create a list of our LEDs
  14 segments = [seg1, seg2, seg3, seg4, seg5, seg6]
  15
  16 # Set up buttons
  17 greenbtn = Pin(14, Pin.IN, Pin.PULL_DOWN)
  18 redbtn = Pin(15, Pin.IN, Pin.PULL_DOWN)
  19
  20 # Define the strip pin number (2) and number of LEDs (12)
  21 ring = NeoPixel(Pin(16), 12)
  22
  23 # Initialize ring
  24 ring.fill((0,0,0))
  25 ring.write()
  26 time.sleep(1)
  27
  28 while True:
  29
  30     # For loop to turn each LED on then off in order of the list
  31     for led in segments:
  32
  33         led.value(1)
  34         time.sleep(0.08)
  35         led.value(0)
  36
  37     # For loop in reverse, running backwards through the list
  38     for led in reversed (segments):
  39
  40         led.value(1)
  41         time.sleep(0.08)
  42         led.value(0)
  43
  44     # Create random RGB values
  45     r = random.randint(0,100)
  46     g = random.randint(0,100)
  47     b = random.randint(0,100)
  48
  49     for i in range(12):
  50
  51         # Light each LED a random colour
  52         ring[i] = (r,g,b)
  53         ring.write()
  54
  55         # Show the LED for this long
  56         time.sleep(0.05)
  57
  58         #Clear the ring at the end of each loop
  59         ring.fill((0,0,0))
  60         ring.write()
  61