When it comes to the input interfaces of the MUB5, I would recommend Bluetooth first, as the MUB5’s Bluetooth is not only convenient but also delivers excellent sound quality, making it a connection method that is hard to let go of once you experience it. For the other methods, it mainly depends on what output … Read more
In the daily use and maintenance of Linux systems, mastering USB device information is key to troubleshooting and managing external devices. This article will introduce three commonly used commands to help you quickly obtain USB device details and efficiently manage devices. 1. lsusb: Quickly View Core Information lsusb is the most basic command for viewing … Read more
Learning USB for continuous improvement.To understand the USB device drivers under Linux, I started with USB Gadget. After extensive experimentation, I found that UAC1 does not support microphone creation. Therefore, I had to shift from configuring the KS file system to analyzing the source code. By analyzing the UAC1 source code (f_uac1.c), I realized that … Read more
Today, some students are worried that connecting a microcontroller development board to a computer via a USB cable might accidentally burn the computer. After all, a computer is much more expensive than a microcontroller. Today, let’s discuss this issue. 1. Why is it generally safe and unlikely to burn the computer? Currently, the most common … Read more
“ This article introduces the key principles and practices for correctly routing USB differential data lines on a PCB. The main goal is to achieve the 90-ohm impedance matching specified in the USB standards, while also considering ESD protection and a complete ground plane.“ USB Speed Levels and Impedance Requirements The USB speed standards have … Read more
Introduction Recently, I have been researching mechanical fault diagnosis and decided to create a small accelerometer, planning to use the STM32F1 as the main controller. Initially, I planned to use an external crystal oscillator as the main clock for the STM32, but to further reduce the size of the board, I decided to remove the … Read more
Espressif Community It is said that ESP chip enthusiasts are paying attention ESP-USB With the rapid development of the Internet of Things and smart devices, the role of USB interfaces in embedded systems has become increasingly important. The ESP32-P4/S3/S2 series chips have undergone a comprehensive upgrade in USB functionality, bringing stronger control capabilities, richer application … Read more
Smart Robot Club Learning Arduino Course On March 17, 2024, at 2 PM, the Smart Robot Club held a learning session on Arduino in classroom A207 of the School of Electrical and Electronic Engineering. After an orderly sign-in, the club activities officially began. 01 During the activity The club members divided into several groups to … Read more
To guide consumers towards scientific and reasonable consumption and to disseminate knowledge about flash drive products, from August to October 2015, the China Consumers Association conducted a comparative test of flash drive products, with testing supported and coordinated by the National Electronic Computer Quality Supervision and Inspection Center. Sample Information The flash drive samples for … Read more
Recently, I finally replaced my old antique TV! A brand new smart TV has moved into my home! However, when I saw so many ports on the TV, I was dumbfounded. What are these? How do I use them? So I diligently researched and finally figured out their purpose. I believe many people, like me, … Read more