[size=3]Haiwei PLC - Application in Relay Detection Equipment 1. Relay Detection Equipment Control Requirements 1. 10 relays need to be detected simultaneously 2. Each relay needs to test 8 contacts, ...
After asking some netizens, I came up with a way to measure the speed based on the official demo, but I encountered some problems. I hope the experts can help me analyze what is wrong with my approach...
The company recently asked me to write a piece of data in EC EEPROM. I have never read relevant information about EEPROM before, so I know very little about it. Is there anything I need to pay attenti...
Altera's FPGA/CPLD program download cable can be used to program and debug Altera's FPGA/CPLD and configuration chips through the computer's USB interface. USB-Blaster drives the configuration or prog...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
SL11R is a 16-bit RISC microcontroller with a USB interface produced by Scanlogic. Its core processing speed reaches 48MIPS. It has rich hardware resources and 32-bit programmable I/O ports, and ca...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]