Microcontroller is an integrated circuit chip that uses ultra-large scale integration technology to integrate a central processing unit (CPU) with data processing capabilities, random access memory (RAM), read-only memory (ROM), various I/O ports, interrupt systems, timers/counters, and other functions (which may also include display driver circuits, pulse width modulation circuits, analog multiplexers, A/D converters, etc.) … Read more
原文：https://zhuanlan.zhihu.com/p/653484840 In embedded development, commonly used C language tool code is indeed very important. Today, I will share some sharp-level C language tool code examples, along with brief explanations. 1. Circular Buffer: typedef struct { int buffer[SIZE]; int head; int tail; int count; } CircularBuffer; void push(CircularBuffer *cb, int data) { if (cb->count < SIZE) … Read more
The C language tools commonly used in embedded development are indeed very important. Below are some sword-level C language tool code examples, along with brief explanations. 1. Circular Buffer: typedef struct { int buffer[SIZE]; int head; int tail; int count; } CircularBuffer; void push(CircularBuffer *cb, int data) { if (cb->count < SIZE) { cb->buffer[cb->head] = … Read more
Wireless mice are very convenient, but the batteries are not very durable. Even rechargeable batteries need to be charged. Many mice come with a power switch to save battery energy, but it’s easy to forget to turn off the switch after use, leading to waste. Although most mice have an automatic sleep function, the effect … Read more
The current VR devices can be divided into three main categories based on hardware form: host VR headsets, mobile VR glasses, and all-in-one VR machines. Host VR headsets can provide a truly immersive VR experience, but high performance means high prices. Not only are the headsets and controllers expensive, but you also need to spend … Read more
Click on the “Fruit Little Master” above, select “Top/Star Official Account“ Practical Benefits Delivered First-Hand! Abstract: The commonly used chip for Arduino development boards is the AVR microcontroller series produced by Atmel. The most common is the ATmega328P, widely used in the Arduino Uno development board. Developing AVR microcontrollers on the Arduino platform is very … Read more
When it comes to GIGABYTE Technology, seasoned DIY enthusiasts first think of the characteristic motherboard technologies such as “Dual BIOS” and “Ultra Durable”. After all, in a motherboard market filled with competitors, the reason why the established manufacturer GIGABYTE can continuously develop is not only due to ensuring product quality and providing excellent after-sales service … Read more
The reduction of costs and enhancement of user experience are crucial directions for the improvement of VR/AR hardware products. To achieve this, manufacturers are actively experimenting with various display technologies to create realistic, immersive, and comfortable visual experiences, leading to a vibrant VR/AR display panel market. BOE plans to invest 29 billion yuan to construct … Read more
“The concept of the Metaverse has kept the heat of VR headset products high. With the continuous development of VR technology, the underlying display technologies, LCD and OLED, are also evolving. Currently, both are doing their utmost to compete in the Metaverse.” The mainstream position of LCD remains unshaken From the current application situation in … Read more
* Original Author: Niqiao Security. This article is part of the FreeBuf original reward program. Reproduction without permission is prohibited. 1. Introduction In 2014, at the Black Hat conference in the United States, researchers Jakob Lell and Karsten Nohl presented the attack method of BadUSB. Although there have been some articles related to BadUSB in … Read more