ESP32 Send Temperature and Humidity Data to localhost XAMPP for Absolute Beginners Step by Step

[@ansellroman6620]

httpCode: -1 how i can solve this ??? i think the program is no error. please help

[@AhmadLogs]

The issue you're facing seems to be related to the connection to the localhost. It's possible that your firewall or antivirus software is blocking the connection. To verify this, you can follow these steps: 1. Disable the antivirus and firewall temporarily. 2. Confirm the IP address of your computer. You can do this by checking the network settings or using the command prompt and typing "ipconfig" (for Windows) or "ifconfig" (for macOS/Linux). 3. Check the IP address displayed in the serial monitor of your Arduino. By comparing the IP addresses, you can determine if they match. If they don't match, it could indicate a network configuration issue or a problem with the code. However, if they match and you are still unable to establish a connection, it's likely that the firewall or antivirus software is causing the problem. Remember to re-enable your antivirus and firewall once you have completed the troubleshooting steps. If you continue to experience issues, please provide more details or specific error messages so that I can assist you further. In addition to the steps mentioned earlier, please ensure that both Apache and MySQL services are running on your computer. Here's how you can check: 1. For Apache: Open your web browser and enter "localhost" or "127.0.0.1" in the address bar. If you see a default web page or the Apache server page, it indicates that Apache is running correctly. If not, you may need to start the Apache service. This can typically be done through a control panel or using commands specific to your operating system. 2. For MySQL: You can use a graphical user interface (GUI) tool like phpMyAdmin or MySQL Workbench to verify the status of the MySQL server. Alternatively, you can open the command prompt and enter the command "mysql -u root -p". If you can access the MySQL prompt without any errors, it means that MySQL is running properly. If you encounter any connection errors, you might need to start the MySQL service. Ensuring that both Apache and MySQL are running will ensure the proper functioning of your local development environment. If you encounter any issues or error messages during these checks, please let me know so that I can provide further assistance.

[@sujayhl145]

Sir please make a video related to it

[@AhmadLogs]

@@sujayhl145 I will try

[@rappuff6458]

@@AhmadLogs is the video up yet sir?

[@yasaskumarasinghe1830]

i have the same issue, i try several method using both wampserver and xampp. still no solution, anyone got the answer for this particular error

[@edinetgrunhed6000]

now, i know PHP is not dead, it so simple,powerful and once you installed XAMPP everything is there, thank you the video

[@khanghoangvan7407]

Ahmad, I love how you edit the video. You make a wonderful tutorial. It's very detailed, step by step like you said. Thank you so much. Since i'm a beginner, it helps me a lot. Thank you!

[@alfonso2ff]

Show!! It worked perfectly fine! However, it is necessary to alert to release the windows firewall for private networks, otherwise the database is not reached by ESP32. Other than that, congratulations and many thanks for sharing your projects.

[@AhmadLogs]

Thanks for the info

[@Elsa.zoneNt]

Thanks! This helped a lot, unliked those others who throw codes at you and call it a "tutorial".

[@AhmadLogs]

thanks

[@philippe5394]

Hello Ahmad, thank you very much for this tutorial which corresponds quite well to what I want to do. That is, to log the measurements of a JSY-MK-194T module in a MySql database. Thanks to you, I have all the keys to finalize what I've started.

[@fred_sonntag]

@ALL There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@batkoboves9008]

Thanks a lot. This comment was really helpful. That solved my problem thanks

[@user-if1pe2ft1v]

Excellent Video Sir! Every Step you explain well. Thank you so much for this type of video. If possible one more video post on the asynchronous method .

[@happymatekenya394]

I am using raspberry pi pico W in Thonny and after following your approach I am now able to send data to my localhost. Thanks alot Sir

[@Lovely-bx8se]

Bonjour, voila enfin un vrais tuto .Merci pour ce temps passé pour cette réalisation. Après avoir réalisé ce projet, j'ai put refaire le même avec un capteur DS18B20 avec un esp8266 ( avec quelque modifications très simple bien sur ).Cela fonctionne parfaitement que ce soit avec XAMPP ou Lamp sur le PI. Continuez , vos vidéos son très intéressantes et riches d'informations. Pour ceux qui on cherché comme moi pour ce genre de projet, ne cherchez plus vous avez trouvé.

[@b_space_technology]

Je suis du meme avis. Vous êtes de quel pas ?

[@Lovely-bx8se]

@@b_space_technology Bonjour,de quel pays?De France,pas loin de Paris

[@b_space_technology]

@@Lovely-bx8se ok super ! J’ai un souci avec ma connexion HTTPclient. Ca me donne un message d’erreur not found. J’aimerai savoir si vous avez exécuté le code net comme dans la vidéo et cela a marché ?

[@Lovely-bx8se]

@@b_space_technology Bonjour, j'ai effectivement de base utilise le code fournis dans cette vidéo qui a très bien marché. Il est a noté que ma connexion est une Freebox de base sans paramétrage particulier ( port ou autre chose ) avec XAMPP sur ma machine de base. Ton message d'erreur ressemble beaucoup a une erreur concernant l'accès a la page PHP. As tu effectué les test de base de bonne connexion sur la page PHP?L'envois de valeur a partir de cette page sur MYSQL? Avant tous code avec esp.Si oui et que cela fonctionne, as tu bien suivis les conseils pour remplir le champ 44 const char* SERVER_NAME = '',peut etre il manque une lettre, un chiffre

[@savvycreativeadventurer]

Brilliant! Thank you so much for the easy to understand and follow explanation! So easy to understand and yet such a detailed and thorough explanation. I actually done the setup of my "web server" on a small arm single board computer and i could still follow the examples, just had to change a directory or two in order to us the http folder in my setup.

[@mvcart6316]

You have saved my Final Paper!!!!!!!

[@user-nb1zf8iy5m]

Excellant presentation. Thank you very much.

[@kientong3455]

thank you sir! you literally saved my project!

[@brunodalessio4622]

Thank you very much for this great tutorial and for the very clear explanations. Next step would be to have the temperature with one decimal cipher

[@AhmadLogs]

Great suggestion! can you giveme some more detail

[@marioduque4427]

good man thanks you.

[@mrx.0000]

This helped me a lot.Thank you !,very much.

[@eternalxpectator]

Hi There. So i have a problem. due to the nature of the project i have to use an Arduino Mega and i can't find a HTTPClient library that works with your code... any sugestions where to find it? Needless to say i'm a noob with little experience on programming...

[@Lets_Travel712]

nice video it helped me alot . thank u sir

[@user-hx5ge8ll4g]

It was one great tutorial , can u plz do tutorial for sending temperature pressure data using LoRa 32 module and receiving data through LiLyGo lora 32 receiver and then send it to data base.

[@AhmadLogs]

will try soon

[@huytuan6452]

this video helped me a lot, thankyou so much

[@collinsk8754]

Great tutorial! 👏👏

[@quaninhphamhong7130]

appreciate your vids so much. They helped me a lot

[@AhmadLogs]

so nice of you

[@user-wr4jh2xd5n]

nice video , please can you provide us an example of a real time monitoring system based on dht11 , co2 gaz sensor mq135 and mq2 and a flame detector please i need some aid for my project

[@labandrick9240]

Great video as usual and I hope next video would be RFID attendance system v5 with xamp 😊

[@AhmadLogs]

Coming soon!

[@labandrick9240]

@@AhmadLogs thanks that would be great 👍

[@prabhakm5144]

@@AhmadLogs im having some doubts can u give ur mail id

[@aligermah3674]

greaat thanks alot every thing is explened well thanks alot

[@AhmadLogs]

so nice of you

[@wasdaletimelapse7658]

Hi Friend, First let me say that your vide is very good and very easy to follow for a relative newcomer to PHP and Sql. It gives lots of steps and chances to confirm progress throughout the video. I have followed your video to the letter yesterday and all went great until the final step. I have a LAMP server set up on a Raspberry Pi4 and I am using an ESP32 to supply sensor data. The problem I am having is that the (postData) variable does not seem to be accepted by the server. I have tried with two tables in the same database and different types of data but with no success. When I monitor the output of the ESP all looks fine and matches your output exactly. I do get a connection response from the server but no data entry into the database. I have spent hours searching for a solution but I don't have the experience or knowledge to now exactly what I am looking at. I do hope you can help me. Thank you in advance.

[@dmbeater2853]

Hello partner, I had the same problem and finally I have solved it. Please check the comments box and look for my comment where I explain what I did. As well as you, I had to expend many hours to do it. Hope it helps you :D

[@wasdaletimelapse7658]

Hi, thank you very much for your reply. I somehow found my way to your explanation earlier today but now I can't remember how I got to it. could you please tell me how to find your comments. Thank you so much.@@dmbeater2853

[@wasdaletimelapse7658]

Hi, I cannot find your comments. Please help. Thank you.@@dmbeater2853

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@wasdaletimelapse7658]

@@fred_sonntag Hi, thanks for the response to my comment. I gave up on this project long ago as I was wasting too much time on it. My limited knowledge of this sort of thing means that I don't even know what your solution is, but thanks anyway. It might help someone else who has the same issue as many others.

[@roycun5013]

excellent video..❤

[@parvazno]

that is so great may you explain how we could added another type of sensor like motion detect or siren or take picture with esp32cam and send to server with each motion detect? please extend this project to full other type sensor too. regrads

[@AhmadLogs]

noted.

[@danilospinolabatista3249]

nice video, helped me a lot

[@S.drawing85]

Thanks for this video . For the one step google tell me that : the request URL was not found on this server . Why ? Btw i do correctly all your steps , but i don't know where is the probleme . Can u help me ?

[@harishananthevarajah3131]

Thank you so much for the above video sir, but is it possible to make the ESP as an access point instead of station mode

[@pranadityasudana7514]

Data : temperature= 50&humidity= 50 23:40:25.663 -> httpCode : 200 23:40:25.663 -> payload : 23:40:25.663 -> Fatal error: Array and string offset access syntax with curly braces is no longer supported in C:\xampp\htdocs\Weather_Station_Project\test_file.php on line 18

[@pranadityasudana7514]

nvm i got it

[@romnickidang3201]

Can you make a tutorial for storing data in the database using fingerprint

[@Mihce06]

Thanks for this video. Would it be possible to get the HTTPClient library?

[@amanshrestha6528]

That really helped me a lot! Thank you very much for the video. I still have a question regarding this. So you showed us how to send dht data from esp32 over wifi network. Is it also possible that esp 32 can send data to xampp server over bluetooth?

[@pascalime4276]

thanks a lot your videos is very helpful. However I have a little problem, the serial monitor prints 200 like you said and the websocket client received it well but the table that will store the data didn't create new record, also I refreshed the database but nothing showed what i might be making wrong?

[@ZahidHasan-ky6oy]

Good job.

[@AhmadLogs]

Many many thanks

[@sagnikmitra6584]

Very well explained, I just need 1 more help. How can I send a setpoint value to this interface for controlling the temperature , say for example the temperature should work between 37 to 39 C. I do not want to send this condition in the Arduino code but as a simple txt file or csv file to the phpmyadmin and then check whether it is maintaining. Please do let me know

[@AhmadLogs]

you can send the temperature data to the localhost server. and then The PHP script on the server will then receive the temperature data. it then check the condition "temperature is between 37 to 39 C", then you can perform specific action of the based of the condition true or false

[@sagnikmitra6584]

@@AhmadLogs can you help me with the code and give atleast the skeleton?

[@AhmadLogs]

@@sagnikmitra6584 sure!

[@sagnikmitra6584]

@@AhmadLogs got the program but what will the setpoint.txt contain, like I want to know what will be written there?

[@AhmadLogs]

@@sagnikmitra6584 the current temperature will be written in the file if within the range (37 to 39 C).

[@oshadhanirmana9761]

The requested URL was not found on this server. plz help

[@Pn-lw8ox]

Can i use the same arduino ide code but use arduino uno rev4 WiFi , without esp32???

[@KAVIYAPRABHAKMSEC]

Can u plzz make tutorial about GPS with node mcu?

[@user-if1pe2ft1v]

Hello , Actually using this library HTTPclient is the synchronous method, because data send through HTTP POST it stuck CPU for sometime. Can you give some Asynchronous method.

[@zhepty12]

heplfull terima kasih..

[@ECEpendi]

Sir, what if I want to change it from localhost to the original server or vps server? thanks.

[@user-if1pe2ft1v]

one more thing is -1 or -11 Response code is received in between what is Reason for it??

[@syaifulannam]

I want to ask. If I want to change the microcontroller with raspberry, are this running with different device?

[@kamalkamel7559]

niiiiiiiiiiice! thank you my freind

[@AhmadLogs]

Thank you! Cheers!

[@syaifulannam]

Can i ask sir? I have project to make controlling temperature use AC dimmer and monitoring use max31855k, is it possible to send t temperature data to database? Thanks

[@leerhoscht]

Thx bro

[@AhmadLogs]

welcome

[@raihanzaenalmutakin9144]

ESP32 and localhost should have the same connection?

[@happymatekenya394]

You are a Goat

[@ocean2523]

call to 'HTTPClient::begin' declared with attribute error: obsolete API, use ::begin(WiFiClient, url) I am facing this error, please give solution

[@jamesa9254]

There is an Error in HTTPClient.h its says No such file or directory

[@23mauxanh]

LOVE U

[@hieuao2509]

can u do it with soilmoisture sensor

[@yudimulyadi6201]

Il try and succes until payload : database connection OK But not send data to database mysql, can you help?

[@AhmadLogs]

any error displayed in the serial monitor? give me some more detail

[@eduardodaveigabilibio8408]

I also have this problem, did you manage to solve it?

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@korjdeguzman8621]

the code is good but it is not proceeding in sending the data in database. There is no error showed but it is not sending the data in database. How to solve that issue? thanks It just showed 'Database connection is ok' in payload no 'new record created successfully ' help me pls

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@rogeriohideki]

would you like to post a project controlling the buttons by mysql along with dht11 on the same page?

[@AhmadLogs]

yes I can, but give me some more detail

[@sidsingh5446]

Sir can u please retrive the humidity data from the database and perform some task like if humidity data is greater than 40 degree red led will glow

[@AhmadLogs]

It is possible I will try to make a video on it soon

[@sidsingh5446]

@@AhmadLogs thank u sir

[@maharjanrazib]

Great Tutorial,but I cannot find HTTPClient Header file, can you help me?

[@AhmadLogs]

it is built-in in the esp32 core you not need to install it separately

[@aadityaparmar5146]

I am getting the compilation error that HTTPClient.h: No such file or directory. Tried to find the library in Git Hub but couldn't find any. Can you please share the library?

[@AhmadLogs]

hmmm. install the latest version of esp32 board in arduino ide

[@ZahidHasan-ky6oy]

Please make a rfid portable attendance system with web admin login page.

[@AhmadLogs]

noted.

[@charlesdesouza9313]

The columns in myphpadmin stopped updating after I successfully uploaded the ESP32's code. Do you have any idea how to solve it? In a nutshell, I received the message that it worked with the messages in Serial.print were delievered to my serial monitor, but the data stopped being sent to the MyPHPAdmin.

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@ShawankumarParida]

How to store data in a SD card that is connected to esp32 with a sd card module?

[@AhmadLogs]

I will try to make a video on it

[@nosagigawidiansyah4016]

Hello good videos! easy and simple to understand but i have issues why i can't get warning "New record created successfully" just connection database is OK? please help me because i use ur code for my thesis, thanks for yout help :)

[@AhmadLogs]

have you checked in the database? see if data is stored in the table or not. use the same table name that I have used

[@prapatsornnarmhung7256]

my error is : Warning: mysqli_connect(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: YES) in C:\xampp\htdocs\iot_project\connect.php on line 8 Connection failed: Access denied for user 'root'@'localhost' (using password: YES) So I solved the problem by typing mysql -u root -p on command this is result -> C:\Users\edite>mysql -u root -p Enter password: ************** ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) I don't know how to solve it. please help me. Thank you so much!!

[@user-cy2hq2zu6q]

I have this problem too. Sir, Please save our life😭😭😭😭

[@AhmadLogs]

test with the default username : root and leave the password blank. then let me know.

[@user-cy2hq2zu6q]

​@@AhmadLogs I already fix my problem, Thank you so much!!!

[@menardcaponpon9152]

hello sir in my case the isset part is not working on mine so the data cannot be displayed in the database whta should i do sir this is for the project in my school appreciate a lot if you reply

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@wafoguyleonard4106]

Hello I did exactly like that. I have on serial monitor "database connection is OK" but new record is not created and the message does not appear on serial monitor. What xan be the problem please?

[@AhmadLogs]

test the php file directly from the localhost to test if the data is stored in the database or not

[@jeremiahcruz6854]

​@@AhmadLogshi I have the same problem. I already tried sending data from php directly to mysql and it was stored successfully. What should I check next?

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@a-21_chaudharibhavesh79]

similarly how can i send npk value to mysql?

[@AhmadLogs]

can you explain "npk value"?

[@MariaAraujo-pt3cp]

Hi, I'm following your video but I got stuck in the 21:10 minute mark. I'm trying to validate my IP adress but i always get the HTTP ERROR 404. Do you know what could be the issue? Thank you!

[@AhmadLogs]

hmmm. must connect the esp32 and your localhost machine to the same wifi network. TEST: connect the mobile phone and your localhost machine to the same wifi network. then test the ip address from your mobile phone browser to see if you can access the computer from your phone

[@sidsingh5446]

Sir i want to print the sql database data to my arduino serial monitor. Is it possible. Hoe can i make this

[@AhmadLogs]

It might gives you some help. kzbin.info/www/bejne/m3fLgJ-QiausqJY

[@sidsingh5446]

@@AhmadLogs sir please make a complete project on scanning the rfid and the rfid data will match with the sql database in which rfid data is stored. And if the rfid matched with the stored one then open the gate and green led will glow. Otherwise red led will glow

[@sidsingh5446]

There is no video which help me to fetch the data from sql database and print that data to arduino serial monitor using ethernet module or wifi module

[@AhmadLogs]

@@sidsingh5446 will try soon

[@user-vh5up1qc1r]

Hello, i have an error in the HTTPClient.h library, can you tell me which library you used?

[@AhmadLogs]

can you explain the error. It is a built in library. when you install the esp32 core it automatically installed. I am using the esp32 core version 2.0.3

[@user-vh5up1qc1r]

@@AhmadLogs I already solve the problem. Thank you :)

[@user-wr8ln1ru5f]

you didn't explain how to download the HTTPClient library, the one found in the arduino library manager isn't working

[@AhmadLogs]

HTTPClient is the built-in library in the esp32 core. you do not need to install it separately.

[@carlosmiguelzucherato2212]

Hi your video was very helpful for me!! But unfortunately my httpCode returns "httpCode: -1". My Apache and MySql are running and the IP is correct, Don't know waht to do :/

[@AhmadLogs]

It is strange the project is still not working. is there any firewall blocking the apache or mysql?

[@carlosmiguelzucherato2212]

@@AhmadLogs no, it has full access, i even redownloaded xampp and still nothing

[@AhmadLogs]

@@carlosmiguelzucherato2212 httpCode is returning -1, it typically indicates a failure in establishing a connection to the server. Here are a few things you can check to troubleshoot the issue: 1. Verify the server's IP address: Double-check the URL variable in your code to ensure that it contains the correct IP address 2. Check network connectivity: Ensure that your micro-controller is connected to the network. 3. Firewall or antivirus settings: Check if any firewall or antivirus software is blocking the connection. Temporarily disable them and see if it resolves the issue.

[@rahuls4479]

How to edit the web page

[@monishraju4789]

Hiii sir. I couldn't send the data to the database. What i have to do ? Can you help me?

[@AhmadLogs]

give me some more detail about the issue. what error display in the serial monitor

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Thats why the code doesnt't work at many people!! Connection to Database is succesful, but no Dataset is written. When you fix it, it will work properly!

[@santiagoespitiatorres2705]

HI i made the same steps but my esp32 does not reach the database, what can be the problem?

[@AhmadLogs]

what error display in the serial monitor

[@santiagoespitiatorres2705]

In the payload part doesn’t show “new record created successfully” he can’t reach the database

[@sjaycreations1086]

same problem - ( httpCode: -1)

[@srinugovindas9781]

Hii Iam doing project right now. My project title is automatic door opening system using pir sensor. For this project, iam using Arduino uno, esp32 and php(xampp server). I wrote the codes for this, Arduino uno code working and esp32 wifi is connected but the data is not stored into the mysql table, what is the problem can u tell me please??

[@srinugovindas9781]

Can u send your email id , I will send u the full details about the project. It's very urgent

[@AhmadLogs]

I will soon create part two for this video. hope it will solve your issues.

[@srinugovindas9781]

@@AhmadLogs How much time it will take, it's very urgent iam doing project right now. I need to submit by tomorrow. I already try some coding I will send u, please provide your email id

[@srinugovindas9781]

Please sir help me!

[@AhmadLogs]

@@srinugovindas9781 upload the code on github and share the link here. I will check that

[@syakilla1510]

Hi thank you for this video. It is an amazing videoo. I am wondering how to send the data to the website and make it visualize. At which part need to modify and how? Hopee that you willl notice this comment and able to respond to this. Thank you!

[@AhmadLogs]

for sending data to website you need to upload the php files on the website, and change the following with the hosting provider credentials. 1. database username 2. database password 3. database name 4. database table name you might watch this video to send data to website. kzbin.info/www/bejne/mYjJmaOdfppmfqs

[@syakilla1510]

@@AhmadLogs Okay thank you. Will try to do this soonn

[@nehamiglani1498]

I can see 'database connection is ok' but not 'New recorded successfully'. Can you please see this code and tell me where I am going wrong, because I urgently need this for my project

[@AhmadLogs]

ok. you can use the print_r($_POST); function to see if there is any "temp" data. print_r($_POST) will display all the data in the $_POST array. run the code below and see what display in the serial monitor

[@nehamiglani1498]

@@AhmadLogs Thank you so much! It was of great help. You literally make the best videos.

[@AhmadLogs]

@@nehamiglani1498 thank you so much

[@yudimulyadi6201]

@@AhmadLogs I Have same problem, but i try to print_r, i see array dont have any more, can you help to find my mistake ?

[@AhmadLogs]

@@yudimulyadi6201 it means the data is not posting to localhost. have you see any error in the serial monitor?

[@memesdealer6178]

my esp8266 won't reach mysql database, any suggestions?

[@AhmadLogs]

post the serial monitor output here, to figure out the issue

[@memesdealer6178]

@@AhmadLogs [HTTP] GET... failed, error: connection failed ; httpCode: -1 ; payload :

[@agung3h]

Arduino code Serial.begin(115200); Iam using this code, and after upload is OK then, i am open serial monitor. But, it only shows ?????

[@AhmadLogs]

have you select the correct baudrate from the bottom right corner of the serial monitor?

[@agung3h]

OK thanks

[@agung3h]

Now, i get error when try to send data from arduino if(isset($_POST["pressure"]) && isset($_POST["temperature"])) { $p = $_POST["pressure"]; $t = $_POST["temperature"]; $sql = "INSERT INTO wemosd1 (pressure, temperature) VALUES (".$p.",".$t.")"; after i change value to this code, the data base is not create new data. And it only show "Database connection is OK"

[@AhmadLogs]

@@agung3h use print_r($_POST); at the top of the php file. to see what is inside. $_POST["pressure"]. the issue is with this "pressure" in the POST array. have you set the pressure in the esp32 code? the new code for testing: print_r($_POST); if(isset($_POST["pressure"]) && isset($_POST["temperature"])) { $p = $_POST["pressure"]; $t = $_POST["temperature"]; $sql = "INSERT INTO wemosd1 (pressure, temperature) VALUES (".$p.",".$t.")"; } test it and let me know

[@agung3h]

@@AhmadLogs After use your suggestion code, it show Database connection is OK Array ( )

[@abhradipdas4998]

Data base is connected but could not add new record

[@fred_sonntag]

There is an Mistake on 26:56 in this tutorial - the header must written BEFORE postData, not AFTER - Connection to Database is succesful, but no Dataset is written. When you fix it, it will work

[@imditza]

can u give a linkt to httpclient lib?

[@jhey-nyt6206]

i got httpCode: -1 what is wrong with this?

[@AhmadLogs]

verify your ip address

[@suryakiran1325]

I'm trying to compile your .ino code as per the instructions shown in the video...I'm using esp32 and dht11 sensor. Installed arduino sensor library 1.4.4. I'm getting HTTPClient.h not found error while compiling the program in arduino. Please help.

[@AhmadLogs]

Have you selected the ESP32 board from the Tools menu in the Arduino IDE? The HTTPClient.h library is already included in the ESP32 core, so there is no need to install it separately.

[@suryakiran1325]

@@AhmadLogs yes, sorry I forgot to mention that it is done now...just restarted the PC and error is gone now....anyways thanks...☺️👍

[@AhmadLogs]

@@suryakiran1325 sounds good!

[@cmylc657]

Hello Sir . I am having this problem " [HTTP] GET... failed, error: connection refused ///httpCode: -1 payload : //// " . I successfully sent test data to database via php.data however I have couldn't send it to the database by arduino . Can you help me please ?

[@AhmadLogs]

make sure your apache and mysql server are up and running. just restart the apache and mysql. I think It will solve the issue

[@omarnurhidayat4320]

@@AhmadLogs i have same problem with him, and i already restart my apache and mysql but still nothing happened sir

[@AhmadLogs]

@@omarnurhidayat4320 then again check your IP Address, also verify that you have entered the correct IP address in the code. just verify it and let me know

[@anupammaji7257]

Ip adress/dht11_project/test_data.php not working

[@ShamimAhmed-rj9kr]

Please make an rfid attendace system with xampp server

[@AhmadLogs]

soon