Uploaded July 2019 | Updated September 2026, 2 weeks ago

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Arduino | LoLin NodeMCU V3 ESP8266 DHT11 Live Monitoring Sensor Local Web Server (Update Web Page without Refreshing). In this project video I use Arduino IDE 1.8.9 , Notepad++ V7.7.1 , DHT11 and LoLin NodeMCU V3 ESP8266.

Download source code here : drive.google.com/open?id=1MUByWeMIf4f4wPfEF0q_jgnWWVYBWFQP

For new users or want to add library and board LoLin NodeMCU V3 ESP8266 see in this video : youtube.com/watch?v=8jMr94B8iN0

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If an error occurs like this or something like this :

Exception (3):

epc1=0x4000bf64 epc2=0x00000000 epc3=0x4000473f excvaddr=0x4023d571 depc=0x00000000
ctx: cont
sp: 3ffffd00 end: 3fffffc0 offset: 01a0
for more complete error display and solution see here : drive.google.com/file/d/19zP6cfRFA2LPx9eFAcTnqa50ir6gM-Zo/view?usp=sharing

Thanks to Prince Okumo (@Prince Okumo) for correcting this error.
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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

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Download Arduino IDE : arduino.cc/en/Main/Software
Download Fritzing : fritzing.org/download
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Reference :
randomnerdtutorials.com/esp8266-dht11dht22-temperature-and-humidity-web-server-with-arduino-ide
circuits4you.com/2018/02/04/esp8266-ajax-update-part-of-web-page-without-refreshing
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Image Sources and Icons in this video:
Laptop/PC : iconfinder.com/icons/4417093/code_laptop_mouse_numbers_with_icon
CellPhone : iconfinder.com/icons/171508/call_phone_smart_icon
WiFi : iconfinder.com/icons/925808/wifi_icon
Smile Emoticon : iconfinder.com/icons/2199093/emoticon_emotion_face_happy_smile_icon
NodeMCU V3 ESP8266 : github.com/prasertsakd/esp8266_fritzing

DHT11 Image : github.com/HuangYuTse/DHT11-module-fritzing-part

Font Awesome :
thermometer-half : fontawesome.com/icons/thermometer-half?style=solid
tint : fontawesome.com/icons/tint?style=solid
clock : fontawesome.com/icons/clock?style=regular
calendar-alt : fontawesome.com/icons/calendar-alt?style=regular
youtube : fontawesome.com/icons/youtube?style=brands
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Music Background:

Summertime by Scandinavianz soundcloud.com/scandinavianz
Creative Commons — Attribution 3.0 Unported — CC BY 3.0
Free Download / Stream: bit.ly/Summertime-Scandinavianz
Music promoted by Audio Library youtu.be/e_cuXazmRME

Palm Trees by MBB soundcloud.com/mbbofficial
Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0
creativecommons.org/licenses/by-sa/3.0
Music provided by Music for Creators youtu.be/baeVdS-RVvs

Track: Serenity — JayJen [Audio Library Release]
Music provided by Audio Library Plus
Watch: youtu.be/VhfJo-CRbkA
Free Download / Stream: alplus.io/Serenity
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