The passage mainly introduces the difference between USB 2.0 and USB 3.0. In addition to theoretical maximum transmission speed and maximum current supply capacity, you can easily distinguish them from their appearance and structure such as the color of base and the number of contracts.
To take suitable USB drives, let’s focus on the sorts, the capacity, the performance, the brand, the source and the chip of USB stick.
Is it annoyed to find the lock button of SD Card getting lost? The data inside will be locked accidently, then how to fix this issue by easy way? Let’s check this video and renew the SD Card in minutes.
Brief introduction
SD card is a memory card base on flash.
The different between SD card and MMC is initialization process.
The communication protocol of SD card includes SD bus and SPI.
SD card implements FLASH operation control, including protocol, safety algorithm, data access, ECC algorithm, defect handing and analysis, power management and clock management, through card intelligent control module.
Communication voltage range：2.0-3.6V; operating voltage range: 2.0-3.6V
Maximum read-write speed：10Mbyte/s
Maximum stack of ten cards（20MHz,Vcc=2.7-3.6V)
The multifunction ball pen can be used for signing, storing files and charging both of Android and IPhone. Meanwhile, it is a stylus that is fast and convenient when writing on phone screen.
To get right Vehicle Music U Disk by checking USB port, comments and after-sales service.
One personalized USB Disk can be easily designed by controller, flash and PCB Board.
This video is to guide you how to make one personalized USB Drive by wood. With some creative designs, one Unique USB Disk can be produced on your own. Maybe you could do mass production for bulk USB Flash Drive after watching it.
With 16GB Flash Memory, the customized USB Drive can be done easily.
Micro SD Card is the most minimum size of Flash Storage since 50 years development.
