from machine import Pin, ADC, PWM
from time import sleep
LED = PWM(Pin(33))
adc = ADC(Pin(34))
adc.atten(ADC.ATTN_11DB)
adc.width(ADC.WIDTH_10BIT)

def function(duty_cycle, percentage,voltage, frequency):
    LED.duty(duty_cycle)
    LED.freq(frequency)
    line = "The input voltage is {:0.2f},\n The frequency is {} Hz with a duty cycle of {} %  "
    print(line.format(voltage,frequency,percentage), end="\n\n\r")
while True :
    adc_value = adc.read()
    voltage = (3.3*adc_value)/1023
    if 0 < voltage < 1:
        duty_cycle = 256
        percentage = 25
        frequency = 2000
        function(duty_cycle, percentage,voltage, frequency)
    elif 1 < voltage < 2:
        duty_cycle = 767
        percentage = 75
        frequency = 5000
        function(duty_cycle, percentage,voltage, frequency)
    elif 2 < voltage < 3:
        duty_cycle = 511
        frequency = 60000
        percentage = 50
        function(duty_cycle, percentage,voltage, frequency)
    elif voltage > 3:
        duty_cycle = 205
        percentage = 20
        frequency = 5
        function(duty_cycle, percentage,voltage, frequency)