Open Source News | Overview of New USB Features in ESP32-P4/S3/S2

Open Source News | Overview of New USB Features in ESP32-P4/S3/S2

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

Learning Arduino Course at Smart Robot Club

Learning Arduino Course at Smart Robot Club

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

70 Flash Drives: Only 18 Indicate Read/Write Speeds

70 Flash Drives: Only 18 Indicate Read/Write Speeds

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

Summary of Basic Characteristics of Common Communication Protocols

Summary of Basic Characteristics of Common Communication Protocols

In job interviews, the characteristics of communication protocols are a common question. Below is a summary of the basic characteristics of several common communication protocols: Communication Protocol Sync/Async Serial/Parallel Full-Duplex/Half-Duplex/Single-Duplex Main Features I²C (Inter-Integrated Circuit) Sync Serial Half-Duplex Multi-master and multi-slave, uses SDA and SCL lines, supports 7-bit and 10-bit addresses, low speed but suitable … Read more

Implementing USB Hotplug Detection with QT and Embedded Linux

Implementing USB Hotplug Detection with QT and Embedded Linux

Click the “Embedded Application Research Institute” above, and select “Pin/Star the Public Account“ Valuable Resources Delivered Instantly! Source | CSDN Author | Job Seeker First Supplement | Embedded Application Research Institute Recently, I have been working on some projects related to Linux and QT, which involve the interaction between USB hotplugging and the QT interface. … Read more

Understanding Serial Interfaces: COM, UART, USB, and More

Understanding Serial Interfaces: COM, UART, USB, and More

Electronic products, such as computers, mice, chargers, and even cars, have many interfaces around us. This article will introduce you to these interfaces, showing what they look like, where they are used, how to use them, and what their principles are. This article serves as a simple description for beginners. 1. Serial Port 2. UART … Read more

Basic UART, I2C, SPI, CAN, and USB Serial Communication Interfaces

Basic UART, I2C, SPI, CAN, and USB Serial Communication Interfaces

Follow+Star Public Account, don’t miss exciting content Author | strongerHuang WeChat Official Account | Embedded Column This article mainly describes the basic knowledge of communication interfaces such as UART, I²C, SPI, CAN, and USB for beginners. 1Overview Why talk about serial communication? Because parallel communication is relatively rare now, it’s basically all serial communication.Today, I … Read more

Clock Synchronization of Serial Data (SPI/I2C/UART/USB)

Clock Synchronization of Serial Data (SPI/I2C/UART/USB)

Click the blue text Follow us 1. Clock Synchronization Issues in Serial Data Sending serial data (such as USB, UART, I2C, SPI, etc.) is done over a single data bus. If a continuous stream of 01 signals is sent to the receiving device over this bus, the difference in clock frequencies between the sender and … Read more

Understanding Computer Symbols: Power, Bluetooth, and More

Understanding Computer Symbols: Power, Bluetooth, and More

Various symbols on computers are like traffic signs on the road; you encounter them every day when you turn on your computer. You press, click, and gaze at these icons countless times. But how much do you know about their origins? Power [Power Symbol] This symbol was once printed on a Tee from ThinkGeek (see … Read more