The speed closed-loop control is designed in the overall system of the motion control platform. The sensor needs to accurately detect the instantaneous information of the controlled object and perform...
[color=#444444][font=Tahoma,]Hello, thank you for reading this post. This position is located in Shanghai, and the company is very promising in the field of LED drivers. The company is now developing ...
I have a question for you: I recently encountered a problem when debugging a program with 430f5438. When I used IAR simulation, I found that the program always ran away. The program in the interrupt c...
Hey guys, I want to use gprs dtu to transfer pictures and then display them on the computer. What knowledge do I need? What technology do I need? Can you give me some specific advice? Thank you very m...
STM32 independent watchdog ,
Driven by a dedicated low-speed clock (LSI), it can still be effective even if the main clock fails, so this watchdog can work under requirements unrelated to the main clo...
The code is as follows: Xxx_init(pvoid context) The calls are as follows: HKEY hkey=OpenDeviceKey((LPCTSTR)Context); RegQueryValueEx(hKey, REG_VAL_NAME, NULL, NULL, (LPBYTE)(&val_name), &dwDataSize); ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
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. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[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]