import machine
from machine import Pin
import time
Trigger = Pin(23, Pin.OUT)  #output
Echo = Pin(34, Pin.IN)      #input pins

pins2=[Pin(5,Pin.OUT),Pin(22,Pin.OUT),Pin(21,Pin.OUT),
Pin(19,Pin.OUT),Pin(4,Pin.OUT),
Pin(2,Pin.OUT),Pin(15,Pin.OUT)]

while True:
    Trigger.value(0)
    time.sleep_us(1)
    Trigger.value(1)    #us means millisecond
    time.sleep_us(10)
    Trigger.value(0)
    totaltime = machine.time_pulse_us(Echo, 1)
    print(totaltime)
    distance = (totaltime*0.34)/2
    print(distance)
    time.sleep(2)