Connect RFID to PHP and MySQL Database with NodeMCU ESP8266

This tutorial will teach how to Connect RFID to PHP & MySQL Database with NodeMCU ESP8266. Here I have interfaced the RFID-RC522 Module with NodeMcu ESP8266 and then I'm sending data of RFID to MySQL Database. We are just reading the serial data coming from NodeMCU ESP8266 and then publishing that to MySQL Database through python code. Unlike others, This project is Protable because we can access data from any device connected to the Internet. Basically, this project can store the Credentials of Students or employees.
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Connect RFID to PHP and MySQL Database with NodeMCU ESP8266
Requirements:

Hardware Components Required
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Software Required
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Arduino IDE
XAMPP server
PHP Source Code
RFID-RC522 Library
NodeMcu ESP8266 Library and Board Manager
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Special Thanks to
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ESP8266 Tutorial: Connect RFID to PHP and MySQL Database with NodeMCU ESP8266

I hope you enjoyed this tutorial. I'll see you in the next one.
Thanks for watching it.

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Please watch: "Relay Control with Arduino & DWIN HMI Display"
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[febripray]

Error code when write D2 and D1, can help to solved it?

[markshandonalviar]

D2 was not declared in this scope what should i do ? im new in arduino ide

[MiqbalMaulana-nrox]

Rfid cards and rfid tags cannot be read on the website, bro, but the serial monitor appears, what's the solution? 🙏

[turinayoevode]

thanks you! but can you show as how to get data and display it on lcd
like i want to scan tag if it is in database then it data will display on lcd

[Madalina-DumitrinaGordei]

The RFID doesn't read the data on my card. what to do?
I changed the RFID and it still doesn't work

[rkbqbxi]

I have a problem, UID of the RFID card is not displayed at Registration level, But UID is displayed at monitor serial level. what is the problem please

[dharshanvisu]

Http client begin declared with attribute error obsolute api use begin ( wifi client, url)

[BoxappsEnginfx]

hi i have a system and will like to add this devices so that attendance can me marked from this devices.

[faysaltaysir]

you told about the URL

but what is the URL?

I am not finding

[somashekar]

Sir is it possible to code the same project with the help of esp 32 module .Can anyone tell

[ihzhdii]

Please am getting this error statement when i compiled. call to 'HTTPClient::begin' declared with attribute error:obsolete API, use ::begin (WiFiClient, url), please help me out.

[alvenjanolino]

can you add a button to generate an excel file on the read tag id area ? below the output ? for the users log? please

[gloriasowanou]

Thank you for the video I was able to redo it without worries, thank you again.
My concern is the image "home ok ok png" how did you get it? Please answer me, I have to make a project on this before the end of the month

[tejaskadam]

plzzz give us all code that u are use in this project arduino code php code

[markprodz]

Arduino: 1.8.20 Hourly Build 2022/04/25 09:33 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

In function 'void loop()':

error: call to 'HTTPClient::begin' declared with attribute error: obsolete API, use ::begin(WiFiClient, url)

|
exit status 1

call to 'HTTPClient::begin' declared with attribute error: obsolete API, use ::begin(WiFiClient, url)

In function 'void loop()':

error: 'getid' was not declared in this scope

91 | readsuccess = getid();

| ^~~~~

In function 'int getid()':

error: 'array_to_string' was not declared in this scope

134 | array_to_string(readcard, 4, str);

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exit status 1

'getid' was not declared in this scope



This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

[BoxappsEnginfx]

can you contact me so that we can look at it how we can archieve this

[rkbqbxi]

I have a problem, UID of the RFID card is not displayed at Registration level, But UID is displayed at monitor serial level. what is the problem please