In ucos, OSTime is a u32 data, which has been increasing since the boot, once for each street shot. Assuming the system frequency is 200, it will overflow after running for 120 days. Why is this allow...
For example, in a large wireless LAN, 1. How is the real-time communication performance of two PocketPCs via Wifi? 2. How is the real-time communication performance of two PocketPCs via Wifi in two mo...
Image Processing and Analysis, Yonghong Jia, Wuhan University : https://training.eeworld.com.cn/course/5404Image Processing and Analysis aims to enrich students' knowledge of image processing and anal...
Seeing everyone’s enthusiasm for learning C recently, I’d like to share it with you: This is the best advanced tutorial on how to write error-free and robust C language programs written by a Microsoft...
I was lucky enough to find a Shanghai 144 radio on a street stall. I spent three days of my spare time to sort it out. According to the electronic tube radios I have handled, from Shanghai's high-end ...
Using C library functions, such as printf, it can be easily displayed. However, for single-chip microcomputers, the processing power is limited. In real-time applications, processing programs are usua...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
Embedded System
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