I have an urgent question. I am using the HCNR201 linear optocoupler to build a circuit. The input and output are 5V power supply, and the op amp is 358. But now there is a problem. This circuit can o...
Fibonacci, can any expert help me take a look at this? I just learned assembly and I don't understand it. The result of running it is garbled code. Could you please teach me? data segment x dw 24 dup(...
Inputting numbers, letters and characters will automatically generate ASCII code, and outputting Chinese characters can be decoded in GB.
This is the first software I made when I was learning VB, welc...
[table=98%,rgb(238, 238, 238)] [tr][td]Figure 1 and Figure 2 are different in just this one point. Why are the results so different? ? ? [/td][/tr] [/table]...
[p=30, null, left][size=4] When designing a product, if the requirements of the application environment for power isolation are not considered, the product will be unstable due to improper design solu...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]