CANopen® is a trademark of CAN in Automation e.V. Modbus® is a trademark of Schneider Electric U.S.A., Inc. Profibus® and Profinet® are trademarks of Profibus and
Profinet International (PI). DeviceNet™ and EtherNet/IP® are trademarks of ODVA, Inc.
This is a network temperature sensor made of AT89C2051 and DS18B20. It can send the measured temperature to the computer via RS232 bus, or realize network communication via RS485 bus. The compressed p...
When using NXP1788 USB, there are some problems with the upper and lower layers. It is not always the case. I really don't know what the reason is. Please help analyze these two pictures. These are da...
Many people will definitely disagree with the original poster's point of view when posting such a post, but the general trend is irreversible. Look at the current consumer electronics industry, which ...
I have studied microcontrollers for half a year, but today I suddenly feel that it is so difficult. I don't know where to start. My classmates said to learn hardware, and I have watched the electronic...
I am writing Modbus protocol, RTU format. The frame header and frame tail have a time length of 3.5 characters. I want to use a timer to judge. Can anyone help me see how to write it? Is the timer ini...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[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]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[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]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[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]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
The situation of "excessive neutral current" mentioned here means that when the three-phase load is balanced, the neutral current is still too large, and the neutral current is more than 1.5 times ...[Details]