Use a self-resetting normally open button and any number of relays to control a light bulb. Press the button once and the light will turn on. Press it again and the light will turn off. Repeat this pr...
I want to make a music circuit with 8051. I am a novice and I am in a hurry. I hope an expert can give me some advice to output square waves of 7 frequencies by pressing 7 keys: (I need the circuit sc...
My computer is a bit old. XP is installed, and now more and more programs need to be installed. However, the increasingly slow computer makes it impossible for me to install more programs. I have a mo...
Last day! Free review of Beetle ESP32-C3, hurry up and get it!Evaluation Development Board IntroductionBeetle ESP32-C3 (RISC-V chip)Small-sized controller based on ESP32-C3, with integrated charging m...
I use a mega128 chip, and want to use an infrared remote control to control two servos. Press four buttons to correspond to the servos' forward rotation of 180 and reverse rotation of 180 respectively...
Hello everyone, my development environment is VB.NET FOR POCKET PC. How can I set the width of each column in the DATAGRID control I use? It is relatively easy in FOR WIN200, but it seems that many fu...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]