How to Get Started With Raspberry Pi
How does the Raspberry Pi work? Well, the Raspberry Pi is a credit-card-sized computer that can run different kinds of operating systems. Basically, IT IS A COMPUTER with peripherals, memory, and a processing unit. But unlike a desktop or laptop, the Raspberry Pi has user-accessible General Purpose Input/Output pins or GPIO. These are 40 pins that can act as power source, data, or analog signal I/Os. You can connect LEDs, motors, sensors, and other sorts of peripherals.