It is a microcomputer motherboard based on ARM, with SD/MicroSD card as storage hard disk. There are 1/2/4 USB interface and a1100 Ethernet interface around the card motherboard (type A has no network port), which can connect keyboard, mouse and network cable, as well as a TV output interface for video analog signals and an HDMI high-definition video output interface.
The origin of raspberry pie:
Raspberry Pie was developed by Raspberry Pi Foundation, a charity registered in the UK, and the project leader was Eben Upton/E Upton.
20 12 in March, Eben Epton of Cambridge University officially launched the world's smallest desktop computer, also known as card computer. Its shape is only the size of a credit card, but it has all the basic functions of a computer. This is the computer version of Raspberry Pie, which is translated into "Raspberry Pie" in Chinese.