using an ultra sonic sensor for gas detection:
Sound velocities
gasses (0C), m/s,ft/s
dry-air,331,1066
ammonia,415,1362

{
status: 'Success',
method: 'server',
maindata: '4b0e43d779d4c86ea0b80232dfd50e3426d9eb8d14f87607b1ca43a79b3095eb87e90cf99b1a40f832496aa87f45d048b6f9107a075920e87753980b577c56ffe00a1b9fe4d61a4de0cbb08e2b367357e445aef7adabc4a94bf8b8a6368aaf50bfc42181bcd611cef0b4693e537ecbe721ca069f2cc56999a35a614168e0926e',
otherdata: [

#importar librerias
from machine import Pin, ADC
from time import sleep

def main():

import time
from machine import Pin

led1 = Pin(12, Pin.OUT)
led2 = Pin(13, Pin.OUT)

#importar librerias
from machine import Pin, PWM
from time import sleep

#codigo de programa

--- apccontrol.orig 2021-12-26 17:49:33.629171845 -0500
+++ apccontrol 2021-12-30 10:54:51.197863641 -0500
@@ -25,8 +25,8 @@
SCRIPTDIR=/etc/apcupsd
WALL=wall

from machine import Pin # Clase Pin de la librería machine necesaria para definir pines y configuraciones de los mismos
import time #Librería time necesaria para generar pausas de tiempo

# --------------------------------------------------
# Sección para definir e inicializar variables, constantes y configuraciones globales

from machine import Pin, PWM
from time import sleep

#este metodo
def set_vel_motor_M1(vel):

from machine import ADC
from machine import Pin
from time import sleep

#Analog input pins

{
status: 'Success',
method: 'server',
maindata: '32471b39f2da164d3f7b29d9ac6ad8d1c7eaff15b1797d0c25f16f369334863d212035e3ac2dc4169b2ae1a558a06d2d3e0206d6cdf43f693dcdae84a324ab903cd71534ff1d44a61566bffb07b1896d7974392a3ad4062b855cf92d1b64403ac4f67aa73524ecb4817db55b305fbddd4087b4fe11b8bd868fc1d7b0ea188ce1',
otherdata: [