Getting started with NodeMCU (ESP8266 tutorial #1)
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In this Tutorial I explained some basic information about ESP8266 inorder to help you understanding how to use this super cheap Dev board. Also I showed how to configure Arduino IDE to program ESP8266 by insterting the following link in additional boards manager URLs.
Link : arduino.esp8266.com/stable/pac...
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Keywords
ESP8266
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nodemcu - Věda a technologie
You have forgetten one step in Arduino IDE after setting web address under File --> Preferences menu. One needs to instal the boards: Tools --> Boards --> Boards Manager --> ESP8266 --> Instal
thank you Peter
yes
yes
this step made me loose about 15 mn not knowing what the hell was happening !
Thanks for the time saving info !
thxxxxx
Thank you so much! This has been the most helpful resource I've found for a neophyte like myself!
You are welcome Samuel Πέτρος Kendrick
Do note forget to subscribe to our channel for more awesome videos.
Let us know if we can further assist you.
Thank you so much for this very very helpful video! but please, consider using an anti pop filter on your microphone.
Looking foward for a tutorail 2 ! Great job !
Are these boards suspect to static when handling? Static damage can lead to so weird behavior sooner and later.
Nice tutorial, thanks! Since the link to the code is broken, here is it (more or less):
char data;
String SerialData="";
void setup() {
Serial.begin(115200);
pinMode(D0,OUTPUT); // pin D0 corresponds to the internal LED
}
void loop() {
// read the string from the serial monitor (the console)
while(Serial.available()) {
delay(15);
data=Serial.read();
SerialData+=data;
}
// turn LED on or off (and send message back to console)
if(SerialData=="on") {
digitalWrite(D0,LOW);
Serial.println("LED ON");
}
if(SerialData=="off") {
Serial.println("LED OFF");
digitalWrite(D0,HIGH);
}
SerialData="";
}
Thanks a lot man, I was stuck here
Good job bro, Thank you very much
You are welcome :)
i need a refresher and this is the best video
Keep up the good mood : )
Nice video, but please for the second get rid of the music in the background or lower the volume a lot... so distracting!! -and irritating tbh-
Init👍
hi mega das. that's a great video. thanks a lot, but what next ? i need (tutorial #2) please
This video is really usefull 👍🏻
Thanks for this tutorial,Most helpful video!
Hello Sir, Can you tell me how to pass the value from Arduino to NodeMCU ?
I have problem when connecting the current sensor directly to nodemcu. The value produce is not same as multimeter. If I use Arduino, I got the value same as multimeter. Both I used same code. But different result. Can you share with me how to transfer data from arduino to nodemcu lolin??
Love the video! What usb cabel is required?
Very many thank's, this video was very helpfull!
fantastic video info... thanks...:)
PROJECT CODE link is dead :(
Thank you for sharing.
I have a esp8266 nodemcu, I want to use it only for Matrices of Led ws2812 (neopixel);I do not have wifi, then my question is I can use it in my project canceling the wifi, or I must install some additional firmware
Hello bro
First of all thank you for giving us such a beautiful and informative video.
I had some questions about ESP8266 NodeMCU v3. If I want to make a repeater with it. So my question is
1 / What will be the maximum range of NodeMCU repeater?
2 / What is the maximum data speed of NodeMCU WiFi?
3 / NodeMCU repeater maximum number of people can use together?
thank you so much
Yo tengo un esp8266 nodemcu,lo quiero utilizar solo para matrices de Led ws2812(neopixel);yo no tengo wifi,entonces mi pregunta es lo puedo utilizar en mis proyecto anulando el wifi,o debo instalar algún firmware adicional
Great video it helped me a lot!
I am facing an error while trying to install the ESP8266 board, it says, error downloading the mentioned link when i open the boards manager, any feedback on this will be appreciated.
Be aware that most (all whom I have asked) ESP8266 sellers in Aliexpress sell 30mm wide board which doesn't fit to 400 holes/tie points Breadboard, it is too wide. In amazon the still sell 26mm model. So be aware!
thanks
when i uploaf my board url they are not getting downloaded
When you've added the JSON, go to tools > boards > manage boards > scroll all the way down and install ESP8266 board
😳 nice thanks!
Sir, if nodemcu is fitted in box then what to do so it will not be overheated
Bonjour. Simple question. Je peut faire fonctionner un nodemcu 12e par wifi mais peut-il fonctionner par internet. Merci et à bientôt.
Can you please explain why SerialData+=data and not SerialData=data?
Thank You!!!;
a program is already present inside my esp8266 i want to view the code in my laptop how can i do it someone plz say
Thank you for the video . i try to run the code but, i receive an error that "D" is not declared in this scope.
D is never written into the code in the video? Is it a variable you added yourself to your own code ? I'f so. It just means you havnt declareda variable Named D into existence before you tried to use it.
I'm doing a late check. The exercise is: control 2 motor (forward, backward, left, right) using arduino and joystick. Can anyone help me? thank you !!!
In my case url is copying but not paste in that box why help me (windows 10)
Error compiling for board NodeMCU 0.9 (ESP-12 Module). this error makes my life hell,i tried alot but didn't get rid of it even i install the same version of arduino as yours but nothing works
Hi
Can you help with the esp8266 in home automation?
I'm using it for home automation and the problem is when it reboots as the power gone, it automatically turns everything on .
I don't need anything to be on state.
Please help with it ?
I am no Expert on ESP, but the controller starts executing a set of codes every time you power it on. May be that's what you will have to focus on. Hope you are still looking for the answer. If you have found a different answer that worked, please post it here. I am waiting for my board to arrive. Will play with it and updated when done.
Pls help my i got this error:
Arduino: 1.8.4 (Windows 10), Board: "NodeMCU 0.9 (ESP-12 Module), 80 MHz, Serial, 115200, 4M (3M SPIFFS)"
Build-Optionen wurden verändert, alles wird neu kompiliert
D:\programme\adroino\Arduino\examples\01.Basics\Blink\Blink.ino: In function 'void setup()':
Blink:28: error: 'LED_BUILTIN' was not declared in this scope
pinMode(LED_BUILTIN, OUTPUT);
^
D:\programme\adroino\Arduino\examples\01.Basics\Blink\Blink.ino: In function 'void loop()':
Blink:33: error: 'LED_BUILTIN' was not declared in this scope
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
^
exit status 1
'LED_BUILTIN' was not declared in this scope
Dieser Bericht wäre detaillierter, wenn die Option
"Ausführliche Ausgabe während der Kompilierung"
in Datei -> Voreinstellungen aktiviert wäre.
Hello Leon
Try to use another Arduino IDE version like 1.6.5
Let us know if we can further assist you.
MEGA DAS i have figert out how the nodemc run But i have one Probleme, Can i increase the Memory? I need more Memory because i will run the wifi Jammer Programm
Great to hear the good news :)
About the memory I don't think that you can add some for it because it is integrated int the MCU.
thank you, you helped me a lot
You are welcome ^_^
Let us know if we can further assist you.
after I install what do I do? I cant find out what com port to use
I'm having issues getting the project code.
Do you have another link?
same please let us know if you can share the project code elsewhere?
very nice
hello sir! yours videos are truly helpful.
I want to ask can we establish a nodeMCU module to module communication ? in which one module will act as transmitter and keep sending a string while the second module with the lcd attached receive that string and show it on the lcd?
thank you brother
Hello Robson
You are welcome
Let us know if we can further assist you.
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Great Video!
Thank you so much Ahmad.
Do not forget to subscribe to our channel for more awesome videos.
Let us know if we can further assist you.
Great video! Time stamps would've been nice tho
you should get a pop filter for your mic
Anyone can help to install ESP8266 NodeMCU board. Thanks
Hiya Dr. Nick!
BN: Unknown board
VID: 1A86
PID: 7523
SN: Upload any sketch to obtain it
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed
ANY SOLUTION?
thank U
I'm very newbie I'm getting an error during compilation. Can you upload the .bin file of the project? It's a perfect design, I congratulate you.
There is no link for project code, I wrote as much as I could because video is blurry, replaced DO with LED_BUILTIN and it worked.
Hello
The link is in the description below. Yes you can use pin D0 (not DO) or you can use the LED_BUILTIN in case you are using the1.6.5 version or higher IDE version
Let us know if we can further assist you.
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@@DIYGUYChris The link is expired.
Arduino: 1.8.2 (Windows 10), Board: "NodeMCU 0.9 (ESP-12 Module), 80 MHz, Serial, 115200, 4M (3M SPIFFS)"
C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino: In function 'void setup()':
Blink:27: error: 'LED_BUILTIN' was not declared in this scope
pinMode(LED_BUILTIN, OUTPUT);
^
C:\Program Files (x86)\Arduino\examples\01.Basics\Blink\Blink.ino: In function 'void loop()':
Blink:32: error: 'LED_BUILTIN' was not declared in this scope
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
^
exit status 1
'LED_BUILTIN' was not declared in this scope
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
The link to your code doesn't work, and the video doesn't show all of it. Can you please give a new link?
Hello Awesome Smiley;
I have just checked the link for the source code and the download link is working like fine for me.
Let us know if we can further assist you.
Problem is not the link: when you set the link in the Preference panel, restarting the IDE don't load the card manager. For loading it you have to open card option (menu Tools) and on top of the sub menu, clic on manage card. Then select the esp8266 item and install it. Hope this help.
thank
Great video! Please share the link for ESP8266 tutorial #2
Thank you for your support Ambarish
Soon we will post the second tutorial
Let us know if we can further assist you.
Eagerly waiting for 2nd tutorial! Whereas I am also interested in how to configure NodeMCU in "AP+Station" mode and how to change its credentials (SSID & pwd) in future.
Thanks in advance.
BR,
Ambarish
2nd tutorial is coming? it's fine! thank you!
Where is the second tutorial??
soon? really?
what is the max range covered by node mcu 8266 in meters
Hello
Around 25 meters ☺️
@@DIYGUYChris and in outdoor?
Would you be able to provide the script used to turn on and off the LED loop? The mediafire link is not working at the moment.
a little late but in arduino ide that would be
void setup() {
pinMode(D4, OUTPUT);
}
void loop() {
digitalWrite(D4, HIGH);
delay(1000);
digitalWrite(D4, LOW);
delay(1000);
}
For MaCOS?
can you shar the links to download
Hello Sostenes Ibarra
Which link you are asking for?
You can find in the description of this video all the related links.
Let us know if we can further assist you.
i have done same like video, but flash is not working.can i know what is the problem
Hallo Asdfg
Did you installed the driver and your computer recognize the board in which port it is connected!?
yeah.i installed the drivers and i have tried all ports but it is not communicating
Could you find the Port in your IDE when you connect the board !
Does the flash LED (small blue LED) flash one time when you connect the board and flash continuously when you apload the program!?
Hey, my board flashes when i connect to my pc or Macbook. other then that, it doesnt show anywhere in the Device Manager on Windows, what drivers do i install?
Hello,
Would you please follow the steps that I've showed in this tutorial because I've explained the required driver to make your board appeare in the Device Manager on Windows. And also all the needed download links are provided in the description of this video.
Let us know if we can further assist you
Leaving ..
Hard resetting via RTS pin....what does that mean....any help please
the project code is no longer available
char data;
String SerialData="";
void setup() {
Serial.begin(115200);
pinMode(D0,OUTPUT); // pin D0 corresponds to the internal LED
}
void loop() {
// read the string from the serial monitor (the console)
while(Serial.available()) {
delay(15);
data=Serial.read();
SerialData+=data;
}
// turn LED on or off (and send message back to console)
if(SerialData=="on") {
digitalWrite(D0,LOW);
Serial.println("LED ON");
}
if(SerialData=="off") {
Serial.println("LED OFF");
digitalWrite(D0,HIGH);
}
SerialData="";
}
This code didn't worked for me.. The led is always remaining on after uploading
Me also...
Does the one with the LCD screen from makerfocus work the same
Hello
Is it a makerfocus esp8266 or an makerfocus esp32 ?
@@DIYGUYChris sorry it took so long to reply but it is MakerFocus ESP8266...thank you
@@juniorcook4094 then it should work fine just follow what I've did in this tutorial.
@@DIYGUYChris awesome thanks
Second part kab aayega!!!
Good luck with that because they changed the website and finding the driver is nearly impossible!
what is sheep?
Hi, nice video. I'm having trouble with the serial monitor display. The information is not readable no matter what baud rate I try. Can you suggest the right baudrate to use for the Serial.begin instruction in Arduino? thanks
Hello Diggee17
No matter what the baudrate you set for your ESP it should be the same in the serial monitor. Otherwise it will not work.
Let us know if we can further assist you.
thanks for your reply. I'm matching the baud rate and I can get the LED to blink but for some reason, I can't get output on the serial monitor, Could I have a bad board? I never had this problem with an arduino board.
Try the 115200 baud rate and set "cariage return" in the serial monitor.
how many relays we can connect with a nodemcu at the sametime ?
Hello Mohit;
This Dev. board could support relais as much as its Digital I/O pins so just get the datasheet of the board or just search in the internet about "NodeMcu pinout" and you will find out how many relais you could exactly connect to you Node board.
Let us know if we can further assist you.
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MEGA DAS can you executly tell me that how much Digital i/o pinout in nodemcu esp8266.
MEGA DAS i am new in this
How to make it work like a rubber ducky
salut mec tu pourrais me dire comment il faut alimenter le node mcu sans ordinateur stp merci :)
Hello nope
You can use the "Vin" pin and "GND" pin to power on the NodeMCU using an external power supply source "up to 20V"
Let us know if we can further assist you.
MEGA DAS merci beaucoup 😊 mais comment l’alimenter pour un long terme ? (1 an)
You can simply use a power source like a 12V adaptor and you could make it run for more than a year ;)
MEGA DAS désolé j’ai oublié de dire que le node mcu sera en dehors d’une maison donc il n’y aura pas de prise 😅
On fait comment sans prise ?
Merci encore pour la reponse
I think a solar eneregy cell with a good lythium 9V battery should be good for your need
All the same, use the Vin pin to power it on with the battery
How many pins in node mcu?
It depends on the dev board that you own, which model do you have?
Dear Mega Das, I wish I can get ur full code since I cannot see it clearly. TQ
Hello
You can download the code from the link in the description of the video..
@@DIYGUYChris I already tried but the link already been remove
@@muhammadmifzal9713 We updated the link could you check the new one please ..
Hi
Nice video and clear details.
Question! how to use Low power is this?
Hello Celine
In the comming tutorials I will show you how to do this.
It will be posted soon.
Let us know if we can further assist you.
Using an Operating system I guess !
Yes right, anyway using an operating system is better than using one loop for the whole program.
is it possible to use operating system with ESP !
Sure you can insert an operation system like "FREE RTOS"
Hi, thanks! If anybody got this error message: "...SerialTimeoutException: Write timeout..." put back upload speed to :115200 from 9600 baud!
Tq so much bro
hey there my codes is not uploading into my esp8266 do u knw why?
Please upload the code on github. Make no sense add the code at mediafire, and now the download is blocked my meadiafire.
I am using Nodemcu esp8266
With that I am using 4 channel relay board. But this is operating as Active low relay.
I want to operate it as Active High
How to change the board
How did you get to the window at 5:32?
Hello
You can get that window from "peripheral management" type it on your windows search
Let us know if we can further assist you.
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i don't see any ESP on Tool >> Board..
Hello, my ESP 8266 r3 module when loading the code it says: "leaving....hard resetting via RTS pin... ". Please help me.
Hi! Not afraid. This is normal))) I have as well.
I plugged in esp in my laptop and started to smell like something is burned
Sir
While uploading programs to nodemcu1.0 module it's taking too much long time. Approximately 20 min. Plz help
Was this fixed? If yes what was the answer?
I cannot download the boards....Its giving an error
Hello Duke SHEIKH
Could you copy and past the error text message in a comment?
MEGA DAS Yes for sure
Do we have any solution for this
@@king09426 where is the comment that has the error text message!
The blue line is the error
Great video but you need a mic shield
Is part 2 of this video series already published?
Hello Piotrek K
Thank you for the comment.
Second tutorial will be published soon in the comming week stay tune.
Let us know if we can further assist you.
has it been published?
some steps are missing... you can correct it by looking at my video on this subject ...
How to program ESP8266 ESP-12E NodeMCU using Arduino IDE
Project code is no longer accessible.
oh so easy, install micropython, done !
you code link failspopup links to nasty things
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if you could try to speak "not that fancy" I would definitely leave an abo
Takeaway, "Make SURE you are doing electronics EVERY day."
Everyday yes :D
any one in Toronto can help me with setting this device...Thanks
No. Bro its not that easy. Drivers does not get installed auto.atically. and port option is disables in arduino tools menu
Please drop the music, its distracting.
pls make video on how to fix the shit when its bricked by sending wrong at-commands :)
The music on this vid is just.... Wish you would release a remake widhout it .... :|