from machine import Pin, ADC, PWM
from time import sleep

# Setup LEDs with updated pins
led1 = Pin(0, Pin.OUT)   # Red LED at GPIO 0
led2 = Pin(6, Pin.OUT)   # Yellow LED at GPIO 6 (Updated)
led3 = Pin(12, Pin.OUT)  # Green LED at GPIO 12 (Updated)

# Setup Buzzer and Potentiometer
buz = PWM(Pin(2))        # Buzzer at GPIO 2
buz.freq(500)            # Set frequency to 500Hz
pot = ADC(26)            # Potentiometer at ADC 26

while True:
    val = pot.read_u16() # Read value from potentiometer
    
    # Reset all components to off/silent state at start of loop
    led1.off()
    led2.off()
    led3.off()
    buz.duty_u16(0)      # Turn off buzzer sound
    
    # Check potentiometer value ranges
    if val < 21845:
        led1.on()
        buz.duty_u16(30000) # Turn on buzzer (approx 50% volume)
        
    elif val < 43690:
        led2.on()
        # Buzzer remains off here based on your original code
        
    else:
        led3.on()
        # Buzzer remains off here based on your original code
        
    sleep(0.1)