gotechismail
Hey there !! Here are few most basic projects that you can build to learn arduino from basics.
Arduino is open source micro controller and you can do alot of things on it.
As a hobbyist or student if you want to learn arduino you can do following projects in start available in this list:
Source: https://gotechies.net/how-to-design-program-line-following-robot-guide-for-beginners/
Blinking an LED is always first project that you can build from start when you get arduino for first time. You can simply use Built-in LED or any external LED with resistor in order to Check if arduino and your software is working fine or not.
You can create your first project after you learn how to take input from any external sensor. Here is how you can take input from IR sensor using Arduino. To learn more about coding and connection you can visit Gotechies website here
It is not most basic one like previous 2 but this one might actually give you some brief idea of working on Arduino. For this project you need a list of component that you need to assemble to create a line following robot. This is pretty common and you can find thousands of tutorials regarding LFR. One complete tutorial is here
Arduino can directly serially communicate with Bluetooth modules like HC-05 and HC-06.
You can simply connect them together. Here is detailed video in Urdu/Hindi language
You can use servo motor directly via servo library and use arduino to operate multiple servos and create a robotic arm.
It is also a common project and here is external tutorial that we found on web
