If you’re starting with electronics, robotics, or IoT projects, chances are you’ve already heard about Arduino. But many beginners still get confused about what Arduino actually is, how it works, and why it’s so popular in engineering and DIY projects.

In simple words, Arduino is an open-source electronics platform that helps users create interactive electronic projects using programmable microcontroller boards and software called Arduino IDE.

One of the most popular boards is the Arduino Uno R3, especially for beginners learning embedded systems, robotics, automation, and sensor interfacing.

Why Arduino Is So Popular

Arduino became popular because it makes electronics easier to learn.…