[backcolor=rgb(239, 245, 249)]This is my first time to design a charger, and I have a general understanding of the QC2.0 fast charging standard. It uses the voltage of D+D- to interact between the ada...
Whenever you test datacom ICs or test telecommunications networks, you need to test jitter. Jitter is the difference between the edges that should be present on a digital signal and the edges that act...
[i=s] This post was last edited by ove learning makes me happy on 2019-12-6 17:11 [/i]1 WinSCP OverviewAlthough we have a virtual machine and can install an Ubuntu operating system under the Windows o...
I ran a program on ARM9 and it crashed, generating a coredump file. I then tried to analyze the coredump file on an x86 machine using arm-linux-gdb, [root@localhost gp2x]# arm-linux-gdb -c core GNU gd...
[i=s] This post was last edited by zhangdaijinqf on 2016-3-9 10:59 [/i] I received a "lucky bag" from the forum this morning, which is an NXP LPC1500 evaluation board! Thank you forum!! Here are the p...
I used the file generated by evc4.0 to open it directly with vs2005. After modification, I used the deployment function and the program executed normally. However, after copying the generated exe file...
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]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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 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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]