How to Fix Unreadable USB/SD Cards

How to Fix Unreadable USB/SD Cards

Beginner One-Click System Reinstallation Learning and sharing computer knowledge, let’s improve together “2500 BBC HD Documentaries with Bilingual Subtitles (▲ Click to Claim Benefits) Have you ever encountered an issue where you can’t open your external hard drive or SD card? Today, I will teach you a practical little trick. Image Tutorial Before you leave, … Read more

Differences Between Serial Port, COM Port, TTL, RS-232, and RS-485

Differences Between Serial Port, COM Port, TTL, RS-232, and RS-485

1. The serial port and COM port refer to the physical interface form (hardware). TTL, RS-232, and RS-485 refer to the level standards (electrical signals). 2. When connecting devices, usually only GND, RX, and TX are connected. Vcc or +3.3V power lines are generally not connected to avoid conflicts with the power supply of the … Read more

Can USB Directly Replace RS-232 Serial Ports?

Can USB Directly Replace RS-232 Serial Ports?

What Is USB? USB is a universal serial bus interface standard used to connect computer systems and external devices for data transmission and power supply. Advantages: High-Speed Transmission: The USB interface provides high-speed data transfer rates, suitable for quickly transferring large volumes of data. Hot Swappable: USB devices can be plugged and unplugged while the … Read more

How to Create a Windows 11 Installation USB in Linux Environment

How to Create a Windows 11 Installation USB in Linux Environment

Source: https://www.ithome.com/0/831/356.htm On February 16, technology media NeoWin published a blog post introducing how to create a Windows 11 installation USB using the WoeUSB tool on Ubuntu and other Linux distributions. The media editor Paul Hill has been using Linux for work, and recently switched his laptop back to Windows 11 due to work requirements, … Read more

Speeding Up JTAG Cable Download: Try This Method!

Speeding Up JTAG Cable Download: Try This Method!

In embedded development and chip debugging, the JTAG interface allows developers to access the internal registers of chips through boundary scan technology, making it one of the important tools. However, when using the JTAG cable for program downloads, you may feel that the download speed is too slow. So how can we improve its speed? … Read more

How to Install USB Drivers Using Driver Life

To ensure that mobile devices can operate normally on a computer, a driver needs to be installed the first time a device is connected to a specific computer. For instance, mobile phones require mobile phone drivers, USB drives require USB drivers, and so on. When you connect a USB drive or mobile phone to the … Read more

Say Goodbye to Complex Networking Solutions: Qingke RISC-V MCU and USB/Bluetooth/Ethernet Interface Chips

Qinheng, based on its self-developed Qingke RISC-V microprocessor and professional connection technologies like USB, Bluetooth, and Ethernet, has created a product matrix that combines a full-stack MCU with multi-dimensional and multi-layered interface chips without kernel and PHY technology licensing fees and commissions. In addition to a rich lineup of USB interface chips, the Ethernet product … Read more

Introduction to CEPARK USB Development Board Main Control Chip

Introduction to CEPARK USB Development Board Main Control Chip

1) STC89C52 The STC89C52 microcontroller is a model from the STC89 series of microcontrollers. The STC89 series microcontrollers are a new generation of high-speed/low-power/highly anti-interference microcontrollers launched by Holtek Technology. The instruction code is fully compatible with traditional 8051 microcontrollers, and 12 clock/machine cycles and 6 clock/machine cycles can be selected arbitrarily. The HD version … Read more

Communication Method for RS232 to USB Interface

Communication Method for RS232 to USB Interface

1. Introduction USB, as a new interconnection protocol for PCs, makes the connection between peripherals and computers more efficient and convenient. This interface is suitable for various devices, not only featuring fast speed, plug-and-play, and support for hot-swapping, but also allowing up to 127 devices to connect simultaneously, solving issues such as resource conflicts, interrupt … Read more