The Raspberry PI expansion board (Hardware Attached on Top; HAT) is a development board that is added to the Raspberry Pi so that the Raspberry Pi can be used for more purposes and improve performance. The following are some of the main functions provided by the expansion board.
Through a variety of accessories, users can make full use of the Raspberry Pi and create a variety of projects, such as robotics, machine learning, and object communication. The following will introduce some common accessories for Raspberry Pi
There are many different models of Raspberry Pi on the market. What are the differences between them? The chart below compares the performance, price and application scenarios of different models.