#import time
#time.sleep(0.1) # Wait for USB to become ready

#import csv
import machine
from utime import sleep
from neopixel import NeoPixel
import random


print("Hello, Pi Pico!")


# Initialize the LED
ledNum = 16

ring = NeoPixel(machine.Pin(4), ledNum)
pot = machine.ADC(0)
off = (0,0,0)

while True:
    color = [255, 0, 0]
    for i in range(ledNum):
        nextColor = pot.read_u16() // 256 #floor division - rounding down
        if (nextColor <50):
            greenColor = 0
            redColor = 255-nextColor
            blueColor = 0
        elif(nextColor <200):
            greenColor = nextColor
            redColor = 0
            blueColor = 0
        else:
            greenColor = 0
            redColor = 0
            blueColor = nextColor

        color = [redColor, greenColor, blueColor]
        print(nextColor)
        ring[i] = color
        ring.write()
        sleep(.01)
        # %256 so we never get over an rgb value above 255