Raspberry pi is a small size one board computer, which can easily carry in pocket. In credit card size board, it has processor, ram, USB ports, Wi-Fi, Bluetooth, HDMI and GPIO ports. It has many applications. We can say that is new generation microcontroller with additional facilities.
Like microcontroller, it has input and output pins and you can define input and out pins by your self programmically.
Now a days, raspberry pi is using for many purpose. Different operating system is available in market for raspberry pi.
Raspberry pi can be used for given below purpose.
1. Gaming console
2. Smart tv hub for none smart tv
3. Making smart home
5. Smart Camera
You can find more detail at official site of