-------------------------------------------------------------------------------- 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...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[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]