I want to switch 485 signals. Can anyone help me find a good method? I would like to ask if there is any problem in using CPLD to directly switch A/B signals....
Recruiting software testers. The work location is in Nanshan District Science and Technology Park. Our department is the R&D department of a factory in Shenzhen, and the factory is in Fuyong. Mainly r...
Looking for a car charger IC with dual-port output power of more than 40W. The C+A port requires various charging protocols, at least PD protocol, and can support MAC BOOK charging. Please recommend i...
Android BLE can only send 20 bytes of data each time. If you want to send hundreds of bytes, if you don't control the flow, packets will be lost. According to the specification, each time a packet of ...
I want to process a 4cm*9cm 4-layer 1.6mm thick small board. How much does it cost to make 30 sets? Is there anyone who can make PCB proofs and give me some guidance?...
[font=微软雅黑]Special thanks to EEWORLD forum member Xinhai Baby for his suggestions: [/font] [A post destined to be extraordinary] [url=https://bbs.eeworld.com.cn/thread-338735-1-1.html]https://bbs.eewo...
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]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]