Project 27.py

import Adafruit_BBIO.GPIO as GPIO
import Adafruit_BBIO.ADC as ADC
from time import sleep
GPIO.setup("P9_12", GPIO.OUT) #buzzer

GPIO.setup("P9_14", GPIO.OUT)
GPIO.setup("P9_16", GPIO.OUT)
GPIO.setup("P9_18", GPIO.OUT)

while True:
    def beep():
        GPIO.output("P9_12", GPIO.HIGH)
        sleep(1)
        GPIO.output("P9_12", GPIO.LOW)
        sleep(1)

    ADC.setup()
    value = ADC.read("P9_40")
    value2 = ADC.read("P9_38")
    voltagePOT = value * 1.8 #1.8V
    voltagePIN = value2 * 1.8
    print (voltagePOT)
    print (voltagePIN)
    sleep(1)

    if (voltagePIN > voltagePOT * 1.1):
        GPIO.output("P9_14", GPIO.HIGH)
        GPIO.output("P9_16", GPIO.LOW)
        GPIO.output("P9_18", GPIO.LOW)
        beep()

    elif (voltagePIN < voltagePOT * 1.1):
        GPIO.output("P9_14", GPIO.LOW)
        GPIO.output("P9_16", GPIO.HIGH)
        GPIO.output("P9_18", GPIO.LOW)

    else:
        GPIO.output("P9_14", GPIO.LOW)
        GPIO.output("P9_16", GPIO.LOW)
        GPIO.output("P9_18", GPIO.HIGH)

    sleep(5)