The system I compiled has the screen going to sleep after 1 minute. I searched for a long time but couldn't find where to control the screen sleep time... I only found the screen backlight time in the...
In 2008, a customer had a dual-SIM dual-standby mobile phone using NXP. During the CTA network access test, the DCS 3rd harmonic exceeded the standard by 3db, while the passing standard should be 3db ...
Does Allegro's built-in package library have packages for common interfaces such as serial ports, USB ports, and network ports? What packages does Allegro's built-in package library have? Please expla...
Recently, in a batch of products produced by the company, it was found that after reflow soldering, the LM2596-5.0 chip turned yellow all over. As shown in the figure below, the left one is out of the...
The ADC acquisition pin of LPC1769 is led out through a wire, and the ADC acquisition was originally working normally. When the program is running normally, the connection wire is disconnected, and th...
[size=4] I found a problem. Every time I post information related to work products in the information release section of this forum, there are not many visitors. It seems that everyone is a kind perso...
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
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
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]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
High-definition video surveillance has developed rapidly in recent years, mainly to solve the problem of unclear "details" in normal monitoring. Some cities use high-definition television surveilla...[Details]
With the development of control, computer, communication and network technology, computer network integrated automation system has been widely used in modern industrial enterprises. The emergence o...[Details]
VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
1 Introduction
With the development of transmission systems in recent years, multi-motor transmission systems have been widely used in various fields. In order to improve the dynamic performan...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]