如何使用 blynk 应用程序和 python 读取多个传感器数据？

如何解决如何使用 blynk 应用程序和 python 读取多个传感器数据？

我正在尝试在我的 ESP32 上连接一堆传感器。我想将它连接到 Blynk 应用程序，以便在我的手机上获取一些数据。

我目前正在使用 Python 进行编码，但是我遇到了一个问题。

代码在读取光传感器后似乎总是停止。基本上，我只从光传感器获取数据，然后从那里循环。

知道代码有什么问题吗？

import network
from time import sleep
import machine
import onewire,ds18x20
import dht
from machine import Pin
import blynklib_mp as blynklib

"""--- Connect to WiFi ---"""
WIFI_SSID = 'SSID'
WIFI_PASS = 'PASS'
BLYNK_AUTH = 'AUTH'

print("Connecting to WiFi network '{}'".format(WIFI_SSID))
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(WIFI_SSID,WIFI_PASS)
while not wifi.isconnected():
    sleep(0.1)
    print('.',end="")

print('\nWiFi IP:',wifi.ifconfig()[0])

"""--- Connect to Blynk Server ---"""
print("Connecting to Blynk server...")
blynk = blynklib.Blynk(BLYNK_AUTH)


"""--- Settings ---""" 

#LIGHT
light_PIN = 35
blynk_VPIN_Light = 0
light_RAW = machine.ADC(machine.Pin(light_PIN))
light_RAW.atten(machine.ADC.ATTN_11DB)

#MOISTURE
moisture_PIN = 34
blynk_VPIN_Moisture = 1
moisture_RAW = machine.ADC(machine.Pin(moisture_PIN))               
moisture_RAW.atten(machine.ADC.ATTN_11DB)
moisture_PWM_PIN = 25
moisture_RAW_MIN = 20
moisture_RAW_MAX = 3600

#SOIL TEMPERATURE
soil_temperature_PIN = 4
blynk_VPIN_Soil_Temp = 2
ds_pin = machine.Pin(soil_temperature_PIN)
soil_temperature_RAW = ds18x20.DS18X20(onewire.OneWire(ds_pin))
roms = soil_temperature_RAW.scan()

#AIR TEMPERATURE HUMIDITY
blynk_VPIN_Air_Temp = 3
blynk_VPIN_Air_Hum = 4
sensor = dht.DHT22(Pin(33))



@blynk.handle_event('read V{}'.format(blynk_VPIN_Light))
def read_handler(vpin):

    """--- Light Sensor ---""" 
    #WHILE LOOP
    print('Light RAW: ',light_RAW.read())
    sleep(1)
    blynk.virtual_write(blynk_VPIN_Light,light_RAW.read())

    """--- Moisture Sensor ---""" 
    #WHILE LOOP
    moisture_PWM = machine.PWM(machine.Pin(moisture_PWM_PIN),freq=600,duty=512)       #Send a PWM signal of 600 kHz to pin 25 with a dutycycle of 50%
    sleep(0.2)                                                                          #Allow the circuit to stabilize 
    moisture_Cumulative_RAW = 0
    for _ in range(20):
        moisture_Cumulative_RAW = moisture_Cumulative_RAW + moisture_RAW.read()         #Read data from analog pin 34 and add it to MoistLevel variable
        sleep(0.05)
        if moisture_RAW.read() < moisture_RAW_MIN:
            moisture_RAW_MIN = moisture_RAW.read()
        if moisture_RAW.read() > moisture_RAW_MAX:
            moisture_RAW_MAX = moisture_RAW.read()

    moisture_Average_RAW = moisture_Cumulative_RAW / 20

    moisture_PERC = (1 - (moisture_Average_RAW - moisture_RAW_MIN) / (moisture_RAW_MAX - moisture_RAW_MIN))*100
    print('Soil Moisture: ' + str(moisture_PERC) + '%')

    moisture_PWM.deinit()
    blynk.virtual_write(blynk_VPIN_Moisture,moisture_PERC)
    


    """--- Soil Temperature Sensor ---""" 
    #WHILE LOOP
    soil_temperature_RAW.convert_temp()
    sleep(0.750)
    for rom in roms:
        #print(rom)
        print("Soil Temperarture: ",soil_temperature_RAW.read_temp(rom))
    sleep(1)
    blynk.virtual_write(blynk_VPIN_Soil_Temp,soil_temperature_RAW.read_temp(rom))


    """--- Air Temperature/Humidity Sensor ---""" 
    try:
        sleep(2)
        sensor.measure()
        temp = sensor.temperature()
        hum = sensor.humidity()
        print('Air Temperature: %3.1f C' %temp)
        print('Air Humidity: %3.1f %%' %hum)
    except OSError as e:
        print('Failed to read sensor.')

    print(" ")
    blynk.virtual_write(blynk_VPIN_Air_Temp,temp)
    blynk.virtual_write(blynk_VPIN_Air_Hum,hum)

while True:
    blynk.run()
    sleep(5)