import machine
import neopixel
import time

# Initialize LED strip on GPIO6 with 8 LEDs
LED_pin = machine.Pin(6)
LED_chain = neopixel.NeoPixel(LED_pin, 8)

# Define colors (R, G, B)
colors = [(255, 0, 0),  # Red
          (0, 255, 0),  # Green
          (0, 0, 255),  # Blue
          (255, 255, 255)]  # White

# Loop through colors with 1-second delay
for color in colors:
    for i in range(8):  # Apply color to all LEDs
        LED_chain[i] = color
    LED_chain.write()  # Update LED strip
    time.sleep(1)  # Hold for 1 second -> delay

# Turn off all LEDs
for i in range(8):
    LED_chain[i] = (0, 0, 0)  # Set to black (off)
LED_chain.write()