#write a code to implement the micropython script for reverse parking sensor and led intensitry will increase when object is near

import machine
from machine import Pin, PWM
import time

Trigger = Pin(12, Pin.OUT)
Echo = Pin(14, Pin.IN)

led_pwm = PWM(Pin(23))

threshold_distance_cm = 100

def measure_distance():
    Trigger.value(0)
    time.sleep_us(2)
    Trigger.value(1)
    time.sleep_us(10)
    Trigger.value(0)
    
    total_time = machine.time_pulse_us(Echo, 1)
    distance = (total_time * 0.034) / 2
    
    return distance

def adjust_led_intensity(distance):
    intensity = int(1023 - (distance * 10))
    intensity = max(0, min(1023, intensity))
    led_pwm.duty(intensity)

while True:
    distance = measure_distance()
    
    if distance < threshold_distance_cm:
        adjust_led_intensity(distance)
    else:
        led_pwm.duty(0)
        
    time.sleep(0.5)