Uploaded April 2021 | Updated September 2026, 2 weeks ago

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Arduino IDE + NodeMCU ESP8266 ESP12E V3 + Gmail | NodeMCU ESP8266 sends Email (Including Email Alert Based on Temperature Threshold). In this project video I use Arduino IDE 1.8.9 , Notepad++ V7.7.1 , DHT11 Sensor, NodeMCU ESP8266 ESP12E and ESP Mail Client Library by mobizt.

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THE CODE FILE IS CURRENTLY UNAVAILABLE BECAUSE IT IS IN THE PROCESS OF UPDATING. VISIT THIS VIDEO AGAIN LATER TO GET THE LATEST CODE.
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Prerequisites for using the ESP Mail Client library :
- The library requires Arduino's ESP32 or ESP8266 Core SDK to be installed based on the platform.
- The latest Core SDK is recommended. For ESP8266, the Core SDK version 2.6.3 or later is recommended.
- The ESP8266 Core SDK version 2.5.x and earlier are not supported.

Less secure app access (Gmail) :
In order for NodeMCU ESP8266 to be able to access email accounts to send emails, Gmail needs to enable "Less secure app access".
This setting is not available for accounts with 2-Step Verification enabled. Such accounts require an application-specific password for less secure apps access.
If the email used by NodeMCU has 2-step verification, please turn off that feature so that NodeMCU can access the email.
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The code file is saved in the .rar file format. I created a .rar file using Winrar V5.50, so to extract it, make sure you use the same version of Winrar that I use or the latest version or use the winrar extractor online.

Sorry if my English is confusing, I use an online translator.

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For other video tutorials on this channel, please see this playlist:

- Basic4Android (B4A) Tutorials : youtube.com/watch?v=-BIq32-qEgA&list=PLnXsmScWzcm6RVlhPM7qg_OJ2N8OpV99d
- Electronics Tutorials : youtube.com/watch?v=rLdsWt6EP6w&list=PLnXsmScWzcm766h5Dn4AJjbJRzDfCPh4h
- Arduino Tutorials : youtube.com/watch?v=A3_EBZqCG5s&list=PLnXsmScWzcm48hvcTTRAUFcP5Fjd4u8cS
- Great Cow Basic Tutorials : youtube.com/watch?v=orHrLmEvp0o&list=PLnXsmScWzcm7xejzacm5cKJMIh_tXXxN8
- Bascom Avr Tutorials : youtube.com/watch?v=JYKSkNQq9eM&list=PLnXsmScWzcm6F9gX1wYenqjKdqVSM7d6B
- VB .NET Tutorials : youtube.com/watch?v=Sy2vjWO0ydM&list=PLnXsmScWzcm4g8AWEJ6WXVUOBh_cWF5_z
- LoLin NodeMCU V3 ESP12E ESP8266 Tutorials : youtube.com/watch?v=8jMr94B8iN0&list=PLnXsmScWzcm5MERfTvcUNKsYhOUGKe3-V

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Download Arduino IDE : arduino.cc/en/Main/Software
Download Fritzing : fritzing.org/download
Download Notepad++ : notepad-plus-plus.org/downloads
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Reference :
- ESP Mail Client Library by mobizt : github.com/mobizt/ESP-Mail-Client

and from several other sources.
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