ESP32 Internet of things
Sending an email by the ESP32
Purpose of this tutorial:
In this tutorial we will send an email with the ESP32 card when a push button is pressed.
You must use an SMTP server that allows you to send an email through the ESP32 card.
Necessary components
- ESP32
-
Pushbutton
Mounting:
To perform the assembly, you can connect
-
the first tab of the push button at pin D21 of the ESP32 board
-
the second leg of the GND pushbutton on the ESP32 board
Program in micropython:
Note: you must import the two libraries: ConnectWifi.py and umail.py.
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from machine import Pin button = Pin(21, Pin.IN, Pin.PULL_UP) import ConnectWifi ConnectWifi.connect() import umail while True: if not button.value(): #We press the button smtp = umail.SMTP('smtp.gmail.com', 587, username='adresse-émtteur@gmail.com', password='*********') smtp.to('adresse_recepteur@gmail.com') smtp.send("Message envoyé par la carte ESP32") smtp.quit() |
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