How to understand the alarm performance of 14 or more half-cycles of arc faults in 1s in GB14287.4 "Electrical Fire Monitoring System Part 4: Arc Fault Detector"? How to understand the alarm performan...
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[i=s]This post was last edited by qwqwqw2088 on 2019-11-1 11:44[/i]In factory automation applications, due to the increasing number of on-site device nodes and the increasing requirements for automati...
There is a set of module hardware dedicated to the secret room. The hardware interface includes input and output interfaces, as well as the light lock interface commonly used in the secret room, and i...
Several power supplies are used in the same room, including a Xinma Gold 500w, a Maexs Gold 500w, and several Great Wall Huntkey 350w power supplies. Symptoms: The original power supplies were very qu...
After I bought 150 LED lights, the switching method of those lights when they were working attracted my attention, which inspired me to make a screen that can change the display of text, pictures and ...[Details]
In the tide of Industry 4.0, many applications are realized by host computers and clouds, so PLC data acquisition is one of the most basic prerequisites.
How to realize PLC data acquisit...[Details]
With the rapid development of computer technology and embedded technology, the demand for embedded software and hardware design is becoming more and more extensive. Embedded software development, e...[Details]
/******** Experimental driver 74HC595 chip******** MCU model: ATMEGA48PA /********** 74HC595 level logic *************************** SI SCK SCLR RCK OE Output pin X X X X H QA--QH O...[Details]
Abstract: The protection system of DC switching regulated power supply is discussed, the principles of protection system design and measures for whole machine protection are proposed, the character...[Details]
1. Factors that determine the price of display screens
As an important production base of LED display screens in the world, China has many manufacturers, but the prices of each manufacture...[Details]
When designing the hardware of a microcontroller circuit board, there are usually indicator lights, sometimes more than one. Why is this done? Let me briefly talk about the important role that indica...[Details]
Solar silicon wafer manufacturer Sino-US Silicon was invited to attend an earnings conference on the 13th. General Manager Xu Xiulan said that she was very satisfied with Sino-US Silicon's first-quar...[Details]
1 Introduction
At present, the traditional single-stage or multi-stage solar photovoltaic grid-connected system structure has the following shortcomings: the operating frequency of the grid-co...[Details]
ContextVision will showcase its next-generation image enhancement platform at this year’s China International Medical Equipment Fair (CMEF) in Shanghai. Altumira™ integrates deep learning technolog...[Details]
When ultrasonic thickness measurement is used in actual applications, especially in the monitoring of in-service equipment, if the indication is distorted and deviates from the actual thickness, hidde...[Details]
Transient voltage phenomena
Electrostatic Discharge (ESD)
Electrostatic discharge is usually generated very quickly, and the peak voltage and current can reach very high values. This energy is...[Details]
According to the Economic Daily, MediaTek's global smartphone chip market share continues to rise this year, not only will it beat its arch-rival Qualcomm for two consecutive years, but it will also ...[Details]
An API is an application programming interface, which is essentially a set of instructions and standards that can be used to connect two pieces of software. You can also think of them as libraries ...[Details]
Detailed explanation of servo motor control mode
1. Torque control
The torque control method is to set the size of the motor shaft's external output torque through the input of external a...[Details]