How I can send a PHP value in arduino specific pin .

Projects General Guidance
1

I wanna to crate a project . This project is a login authentication project . I have PHP script for login authentication. Now I want to send a value in Arduino and receive in arduino any pin ,after login authentication without using any Arduino wifi or Ethernet Module ?

Please

2

alauddin:
Now I want to send a value in Arduino and receive in arduino any pin

Your use of the word "in" is confusing. Do you mean that you want your PHP program to send a message TO the Arduino and the message will contain the number of an Arduino I/O pin? If not, then what do you want to happen?

without using any Arduino wifi or Ethernet Module ?

How do you propose to communicate with the Arduino?

...R

3

How do you propose to communicate with the Arduino?

He can use Serial to communicate PHP with Arduino.