1. What is a "Multifunctional Expansion Board for UNO R3, Leonardo Board", and how can it be used to enhance the capabilities and versatility of Arduino UNO R3 and Leonardo boards?
A multifunctional expansion board for Arduino UNO R3 and Leonardo boards is an add-on board that can enhance the capabilities and versatility of these boards. It is integrated with various sensors and interfaces, such as a temperature sensor and GPIO ports, that can be used to connect and control other modules and devices. The expansion board can extend the IOs or ADC ports of the Arduino board, making it easy to connect with other modules. It can also be used to take ports outside the Arduino to a breadboard. The expansion board can be used by beginners starting with Arduino to learn and experiment with different sensors and interfaces.