Serial.println("LDR value:"); //display "LDR value:" on serial monitor and set the cursor to the new line Serial.println(LDR_value); // print the value of sensor else //if LDR_value value is greater ...

Getting Started with Arduino, by Massimo Banzi, offers an accessible introduction. The platform's official website is a good source of tutorials, help, project ideas, and interaction with other users.

So i decided to do some experiments by handling serial input from arduino and handle it with python to connect it directly into the database. To use this code you need to create your own database ...