The Raspberry Pi 4 Model B is the latest computer board from Raspberry Pi. This version offers more processing power, more memory, and more connectivity while remaining backward compatible with projects created on earlier models. What is a Raspberry Pi? A Raspberry Pi is a compact computer board that offers endless possibilities. From the very beginning, the Raspberry Pi was designed to be easy to use and customizable. Simply connect a TV or monitor, a keyboard, a mouse, and a power supply, and you can get started. A Raspberry Pi is great because the device is suitable for almost all age groups. Whether you want to teach children programming or engineers want to create complex computer-controlled systems, anyone can use a Raspberry Pi. There is a wide range of "HATs" (Hardware Attached on Top) and other accessories that you can connect to the Raspberry Pi to utilize special features.