ESP32 Client-Server Wi-Fi Communication Between Two Boards (ESP8266 Compatible) 

You can find the complete project details on my blog! - ESP32 Schematics + Source Code ► RandomNerdTutorials.com/esp32-client-server-wi-fi/ - ESP8266 NodeMCU Schematics + Source Code ► RandomNerdTutorials.com/esp8266-nodemcu-client-server-wi-fi/

Great example Rui, really useful I'd really like to see the same communication (print data) via Bluetooth for low power applications.

one of the best tutorial in esp32 in the youtube i saw, very well represented

Thank you for your Camera Project you are doing incredible stuff

Perfect, just what I needed, thank you Mr Santos.

THIS IS EXCELLENT!!! So many Tuts require a router network. I can figure it out, but it would be nice to see how you can "CONNECT" and use a browser to collect this data from say a laptop, or Android phone. Very helpful info here!! Great work!

Many tips in this project, excellent ! Thanks a lot !

Pretty neat. I see you make three separate calls in yr asynchronous website, for temp,humidity and pressure. That makes it simple and very clear, but ofcourse also possible to make it with just one call

How do this guy know what I'm doing 😳 Everytime I struggled & finish a project he publish exactly same as a tutorial. Last week only I needed it hardly & finished it at last. Now you made an easier tutorial.

Very nice and simple to remake!

Excelente artigo ! Vou usar como ponto de partida em um projeto meu. Muito obrigado, Rui !

excelente video Rui. Obrigado!!!

video simple,, complite, informatife, and something new

Great project! I was looking for something like this to create a simple remote control for my camera slider project 👍 Thank you

great. Master advice for e-money projects

Thanks, Great job always The Source code with all comments is very helpful

thanks for the video.; it helped me a lot. im just getting into these things :)

great porject gj

Great as always 👍👍👍☺

Great video

Hi Rui, i am not trying to flatter you by any means, your tutorials are THE BEST in there respective topic. About the topic at hand, lets assume that i live in a community without internet connectivity, can ESP32 Server such that you demonstrated act as an AP to control something like 8 channel relay?

Very nice! Thumbs up! 👍

good work. can I also connect more than two clients? for example a server and 3 clients?

Thank you for tutorial! how would you make a post request on the client code?

Can we get it to do two things at the same time like deauth and monitoring ?!

Great Video Rui, just what is the maximum range between the two boards?

Thank you for sharing....but how the Max distance between the two boards

Este tutorial está muito bom Rui, obrigado.

Hi Rui Santos, how to add relay at client side and turn ON/OFF from server side ?

Thanks for the video Rui. Quick questions: 1) When ESP32 creates an AP, will the IP address be the same always? 2) how many other ESP's can I connect to the Master ESP AP ? 3) Will the Master ESP still be able to get connected to WiFi while it has it's own AP simultaneously?

Exelente Video

What about using ESP-Now as well? That is something I watched in another video doing something similar

Hi Rui Santos, can you pls make a video on how to send 12 sensor data serially from nodemcu to arduino uno and parse it?

Hello Rui, excellent tutorial. I have a question. Do you have an example with let's say client has just one push button and server has an led. The same like in this tutorial, with no router. Press the button on client and led turn on on server. Even more. Each board has an push button and each board has a led. Same principle. One push button turn on led on the other board. I love to see something like that. Thank you

does it also work with an all in one esp32 module? (OLED soldered on board)????

ESP32 question: I need to connect via I2C: BME280, BNO055 gyro, L53L0X TOF Time-Of-Flight, and optionally an OLED 128x64, I read I need to add pull up resistors. 1) would there be pull up resistors already on these modules? 2) would each sensor need 2 resistors for data and clock, or would you only add a set at the end of the "chain" like termination back in the SCSI days? Thanks:-)

Thanks alot, can i do it with esp node mcu 32s and arduino mega using wifi module

Muitp bom!obrigado pour partilhar.

Bro make more videos on esp32 and audrino ..i am happy i got new channel for this

Hello, do you believe it is possible to connect a Rasperry Pi to the "server" esp32? Thanks & great vid!

Nice

Running this gives me a 1 or 2 sockets transmission per second. Is there a faster way to make 2 ESP8266 boards communicate?

Would this also work if the esp is mounted somewhere and then it sends data to my laptop via wifi using sockets?

very good tutorial thx, I've one question , how IP adress was made ? thanks

Good day, I would like to ask, what if my input is CO2 sensor, where do I put my analog pin in the ESP32?

What is the preferable and maximum distance between the two esp?

What should be the range between 2 nordmcu for communicate

How fast can you make the GET requests? It will be awesome if we could make "real time" data acquisition

Thanks. For the client any reason you choose ESP8266HTTPClient and not asynchroneous? Are you aware that going to your website, makes high cpu usages?

Fantastic tutorial! I was wondering, would it be possible to connect more than 2 devices together and make a sort of little network?

Rui será que é possível fazer um server para dois clientes ? Muda alguma coisa no código ou segue esse caminho

What's about changing the roles of server and client? Would be much more logical for me. So when connecting to multiple sensor stations you have the one with the display and multiple clients on different locations.. Or is it still the client with the display that ist permanently pulling from different servers (per definition)?

what is the max range you could get out of communication ?

Hi. Two questions: 1) the IP needs to be get manually every boot? Since the client needs the IP of the server, can it be pre-set? 2) In this case the server sends data to the client. Can you show an example in which two clients send data to one server?

When I have an normal ESP8266 01s, do I have to upload the Code to the ESP or the Arduino?

i've been trying to make the same project but with using MPU 6050 sensor but i keep fail. can you please do a tutorial for this sensor too? I fail to do the String line and using the MPU 6050 library from what i think it does not support String or i do not know how to do it. this is an amazing project! thank you soo much!

Can client send data to server as well simultaneously? I want to send data from server to client and at the same time want to send data from client to server. Is it possible?

is it possible to do this between esp32 cam and esp8266? if so, please help me how to do it. tnx for your help.

Can you help me on how to press one button on esp32 so that another esp32 light will turn on? Please.

Hi, nice tutorial. What is range of this comm, if its couple of meter isnt then better to use BT? Thanks for sharing.

Thank you

Is possible a nodeMCU as server to two or more nodeMCU as client? Client will use to get status sensors and controll some relay.....

Can you do this but with an ESP32 CAM and ESP32 connected to a TFT display?

hello, can this project work with internet connection

Can I send bme data to nextion display

Can 1 Esp32 be connected more than one esp32 for example, one esp32 connected to 6 esp32?

How much distance it transmits data to server

Excuse me, is there any way to change the lcd with ST7789 led?

Thanks for the great video! I have a question... I see the client requests data and the server replies with the three requested values, but is there a way to also enable the server to request data and the client replies with some values? I have a need to initiate requests from both sides.

thanks u

how can i instead of sending the sensor reading send a potentiometer's reading

hello, does the code in upycraft have it?

Great video, but I have a question...can ESP32 communicate with 2 methods at once? for example like ESP 1 - ESP 2 with ESP-NOW, then ESP 2 - PLC with wifi communication...

Sir, can we establish communication between two different versions of esp8266 through HTTP??

Excuse me you can make that 8266 as server and client at the same time , thank you

Can you still connect it to the internet using a gsm module?

that's possible to streaming wiedo to other ESP32 by wifi? Or exist way, to plug other esp32 by wires?

How multiple Temperature received the receiver and show TFT display???

hi, Bro. I want to control the light by the client on the webserver. but i do not know to make id for the client to control. can you help me? Thanks bro.

very nice

How can I send control commands between two chip?

Hey, this tutorial is great and very useful! Can you please make one tutorial on ESP-NOW, or if there is no difference between this tutorial and esp-now?

can someone tell me if it is possible to use a encryption algorithm or something and secure this communication? is it possible with esp32 ? pls reply me if you know how to do it?? pleaseeeee i need helppp

I get question mark at client serial monitor

I have several 8266 clients speaking to a server. Now I need more I/Os. I bought a ESP32 for the server. But now I can not communicate between them. It is difficult to do that?

Boas. Parabéns pelos videos de qualidade Rui. Qual é o alcance de comunicação? Obrigado

master can would u make a tutorial about esp32cam telegram bot

is'it pôssible to have a mqtt server on the esp32 access point and the esp32 client connect to mqtt server to publish and subscribe

I am getting some unnecessary text at my serial monitor, i tried modifying the code and remove the codes for the sensors cause I don't need them and I only need to try a simple getrequesr without using internet

How to send or receive digital data

Is it possible to use micropython in one and Arduino in the other?

Is it possible to do it for esp8266 ?

@Rui Santos with asyncwebserver is possible this function,? 1 connecting by router 2 if server have data send direct to client? I have test your part code and need sugestion for my complete my project. Your code have problem for working with router installed to my hardware. And work only m2m without router. I have send two post to your website blog. Thanks

Hello, could the time between sending of data right be reduced right? I am thinking of making a Wemos D1 Mini-based RC controller to control my Wemos D1 Mini RC car

Abo get ! 👍🙋🏼‍♂️

This time can you do my favor in advance? I want to fetch data from ubidots cloud with GET request & plot it in Google Maps.

I don't mean to be negative, but isn't this setup a bit back-to-front? What I mean is, wouldn't it make more sense to have the Client connecting to the Server's Access Point, but put the sensors and API on the Client module, and connect the display and issue GET requests from the Server? That way, it would be trivial to add extra Clients running the same code and simply modify the Server code to GET from additional IPs/URLs. I might've misunderstood the tutorial, but it seems to me that if you wanted to add additional ESP+sensor client modules to the setup as demonstrated, you'd either have to configure them to connect to the first sensor's access point and then add a bunch of extra endpoints to the server code, or else configure the client to somehow keep connecting to and disconnecting from different APs (I've no idea how you'd do that). Either way, it's extra code, when surely the aim in such projects would be to maximise reusable code and minimise rewrites. Or am I missing something here?

I have got error http_client.h no such file or directory

Hi, sorry if the question is stupid, I'm new to the field 1:47 A white window with the name of the port to which the board is connected What is the name of this window and how do I get to it?

Bhai plz make line following car using Wi-Fi module ESP 8266 and. Motor drive l298n 🙏🙏🙏🙏🙏