29liachen-pixel

import time
import board
import neopixel
from digitalio import DigitalInOut, Direction, Pull

# Setup switch
switch = DigitalInOut(board.D3)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

29liachen-pixel

import time
import board
import neopixel
from digitalio import DigitalInOut, Direction, Pull

switch = DigitalInOut(board.D3)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

pixel_pin = board.D2

29liachen-pixel

import time
import analogio
import board
import neopixel

photocell_pin = board.A2 #pin 0 is Analog input 2 
photocell = analogio.AnalogIn(photocell_pin)
light = photocell.value

pixel_pin = board.D2

29liachen-pixel

import time
import board
import neopixel
 
pixel_pin = board.D2
num_pixels = 16
 
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.7, auto_write=False)

while True:

29liachen-pixel

import board
import neopixel
import time
 
pixel_pin = board.D2   #the ring data is connected to this pin
num_pixels = 16        #number of leds pixels on the ring
 
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.3, auto_write=False)
 
RED = (255, 0, 0) # RGB