Knowledge

Advantages of Mini USB flash drive

Mini USB flash drives and ordinary USB flash drives are usually packaged differently. The traditional USB stick uses the bare PCBA circuit board, while the circuit board of the micro USB stick is usua

Introduction to USB flash drive

USB flash drive is a small device used to store information, commonly known as U disk. Among them, USB is the abbreviation of universal serial bus in English, and its Chinese abbreviation is "through

USB attack technology

Since the birth of USB, attacks using USB have never stopped. In recent years, this type of attack has shown explosive growth. Compared with previous attack methods, USB attack technologies are divers

USB hardware structure

USB uses four wire cables, two of which are serial channels for transmitting data, and the other two provide power for downstream devices.

USB software structure

The USB bus interface handles the interconnection between the electrical layer and the protocol layer. From the perspective of interconnection, similar bus interfaces are provided by the device and th

Difference between TF card and SD card

TF card, also known as T-Flash card, full name: transflash, also known as microSD, is jointly developed by Motorola and SanDisk. It is a kind of ultra small micro card at present. Its size is only 11x

Comparison of SD card series

Secure digital card is abbreviated to SD card. Literally, this card is a security card. It is better in security performance than CF card and early SM card. It is a brand-new memory card product joint

Main application fields of micro SD

Micro SD card is mainly used in mobile phones, and it is a must-have memory card for functional computers. 2GB is the standard matching capacity. In 2011, 1GB of micro SD card was still the mainstream

Development trend of SD card

The SD card specification was proposed by the SD Association, which is composed of Panasonic, Toshiba and SanDisk.