-------------------------------------------------------------------------------- Puran Communication Technology (Shanghai) Co., Ltd. ([url=http://www.opulan.com]http://www.opulan.com[/url]) is a high-...
After reading Raymond B. Ridley's paper, I designed a 10V-5V circuit based on the Simplis simulation tool. However, there are still many things that are not very clear. I found that the basis for meas...
[i=s]This post was last edited by dcexpert on 2019-8-20 23:44[/i]A few months ago, Make announced that it would cease publication due to financial problems. A few days ago, Make announced its return.A...
This section has added some new categories for everyone to interact with:Gift: Many friends have some unused boards and items that can be given to friends in the forum;
Exchange: to hope to exchange o...
ce 5.0 USB driver USBDeviceAttach function uses LocalAlloc (LPTR, sizeof (struct pointer)) My current problem is: when the driver is loaded, it usually gets an exception at LocalAlloc, not necessarily...
Device drivers interact directly with hardware or virtual devices, packaging the operations on hardware or virtual devices into a set of operating system calls and completely hiding the programming in...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[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]
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]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Embedded System
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