Arduino and Similar Boards: Programming and Applications 1. What are Arduino and Similar Boards? Arduino is an open-source microcontroller board that is widely used for developing electronic projects. Its user-friendly nature makes it a preferred choice for both beginners and professionals. It is an excellent platform for learning the basics of electronic circuit design and programming. Popular Arduino Models: Arduino Uno: The most suitable model for beginners, with strong community support. Arduino Mega: Ideal for larger projects requiring more input-output pins, commonly used in robotics and automation. Arduino Nano: Suitable for compact designs and small-scale projects. Arduino Due: Equipped with a more powerful processor for high-speed computing tasks.   Arduino Alternatives: Raspberry Pi: A Linux-based mini-computer with a more powerful processor, often used in image processing and complex systems. ESP8266 and ESP32: Microcontrollers designed for Wi-Fi and IoT pro...