Temperatur per Mail senden

Temperatur per Mail senden

Dieses Skript sendet die gemessene Temperatur des Pico per Mail an den festgelegten Empfänger. Erweiterung DHT22 (Siehe Verdrahtung)
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import umail
import network
import time
import machine
import sys
import time
import usocket as socket
import ustruct as struct
from time import sleep
from dht import DHT22
from machine import Pin

# Your email details bei Google anlegen
sender_email = 'maxmustermann(at)gmail(dot)com‘
sender_name = 'RaspberryPiPico'
sender_app_password = 'passowrt von Google'
recipient_email =Empfänger Mail
email_subject ='Email from RPi Pico'

# Your network credentials
ssid = 'Wlan Name'
password = 'Wlan Passwort'

# Initialisierung GPIO und DHT22
sleep(1)
dht22_sensor = DHT22(Pin(27, Pin.IN, Pin.PULL_UP))

# NTP-Host
NTP_HOST = 'pool.ntp.org'
# Winterzeit / Sommerzeit
GMT_OFFSET = 3600 * 1 # 3600 = 1 h (Winterzeit)
#GMT_OFFSET = 3600 * 2 # 3600 = 1 h (Sommerzeit)

#Connect to Wi-Fi
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid, password)

# Wait for connection to establish
max_wait = 10
while max_wait > 0:
    if wlan.status() < 0 or wlan.status() >= 3:
            break
    max_wait -= 1
    print('waiting for connection...')
    time.sleep(1)
    
# Manage connection errors
if wlan.status() != 3:
    raise RuntimeError('Network Connection has failed')
else:
    print('connected')
    
# Funktion: Zeit per NTP holen
def getTimeNTP():
    NTP_DELTA = 2208988800
    NTP_QUERY = bytearray(48)
    NTP_QUERY[0] = 0x1B
    addr = socket.getaddrinfo(NTP_HOST, 123)[0][-1]
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.settimeout(1)
        res = s.sendto(NTP_QUERY, addr)
        msg = s.recv(48)
    finally:
        s.close()
    ntp_time = struct.unpack("!I", msg[40:44])[0]
    return time.gmtime(ntp_time - NTP_DELTA + GMT_OFFSET)

# Funktion: RTC-Zeit setzen
def setTimeRTC():
# NTP-Zeit holen
    tm = getTimeNTP()
    machine.RTC().datetime((tm[0], tm[1], tm[2], tm[6], tm[3], tm[4], tm[5], 0))
    
    
# Zeit setzen
setTimeRTC()
datetime = machine.RTC().datetime()
mailtext=str('Aktuelle Uhrzeit: %02d:%02d' % (datetime[4], datetime[5]))

# Send email once after MCU boots up
def mailersend():
    smtp = umail.SMTP('smtp.gmail.com', 465, ssl=True)
    smtp.login(sender_email, sender_app_password)
    smtp.to(recipient_email)
    smtp.write("From:" + sender_name + "<"+ sender_email+">\n")
    smtp.write("Subject:" + email_subject + "\n")
    smtp.write(mailtext)
    smtp.send()
    smtp.quit()
    
i = 1
while i < 2:
  print(i)
  print(mailtext)
  mailersend()
  sleep(2)
  setTimeRTC()
  datetime = machine.RTC().datetime()
  mailtext=str('Aktuelle Uhrzeit: %02d:%02d' % (datetime[4], datetime[5]))
  i += 1

#datetime = machine.RTC().datetime()
print('Aktuelle Uhrzeit: %02d:%02d' % (datetime[4], datetime[5]))
while True:
    # Messung durchführen
    dht22_sensor.measure()
    # Werte lesen
    temp = dht22_sensor.temperature()
    humi = dht22_sensor.humidity()
    # Werte ausgeben
    print('      Temperatur:', temp, '°C')
    print('Luftfeuchtigkeit:', humi, '%')
    # + str(temp) + ' Feuchte : ' + str(humi) + ' ' + 'Aktuelle Uhrzeit: ' + str(datetime[4]) + ':' +  str(datetime[5])
    mailtext=str(temp)
    print(mailtext)
    if temp > 20:
       mailersend()
    else:
       mailtext=str('Aktuelle Uhrzeit: %02d:%02d' % (datetime[4], datetime[5]))
       mailersend()
    sleep(600)