# Exercise 12(a)

from machine import Pin, ADC
from neopixel import NeoPixel
from time import sleep

# Initialize 16-element  NeoPixel Ring on GPIO pin 12
ring = NeoPixel(Pin(12), 16)

pot1 = ADC(Pin(36)) # pin 36 will be used as an ADC input line
pot2 = ADC(Pin(39)) # pin 39 will be used as an ADC input line
pot3 = ADC(Pin(34)) # pin 34 will be used as an ADC input line