HOW to Make an Automatic Fan with Kidspico

'''
 * Filename    : Trigger mode
 * Thonny      : Thonny 4.1.4
 * Auther      : http//www.keyestudio.com
'''
from machine import Pin
import time

Trig = Pin(21, Pin.OUT) 
Echo = Pin(27, Pin.IN)
INA = Pin(14, Pin.OUT) 
INB = Pin(15, Pin.OUT) 

distance = 0 # set initial distance to 0
soundVelocity = 340 #Set the speed of sound.

def getDistance():
    # maintain Trig pin at high level for 10us to enable the ultrasonic sensor
    Trig.value(1)
    time.sleep_us(10)
    Trig.value(0)
    #Start counting, record the initial time when ultrasonic waves starts to transmit
    while Echo.value() == 0:
        Start = time.ticks_us()
    #record the time when the ultrasonic echo is received
    while Echo.value() == 1:
        Stop = time.ticks_us()
    #total time = the receiving time - the initial time
    Time = time.ticks_diff(Stop,Start)
    # Calculat the distance according to the formula: distance(m)
    # distance value devide by 100: distance(cm)
    distance =  Time * soundVelocity //2 // 10000
    #return the distance value in cm
    return distance

while True:
    Distance = getDistance()
    print('Distance: ', Distance, 'cm')
    time.sleep_ms(500)
    if Distance < 10:
        INA.value(0)
        INB.value(1)
        time.sleep(1)
    else:
        INA.value(0)
        INB.value(0)
        time.sleep(1)