[i=s]This post was last edited by qwqwqw2088 on 2021-5-26 08:57[/i]Transient response is when the load absorption current jumps, which causes the voltage at the power supply output to deviate from the...
The first time I made a board for audio acquisition, JTAG connection failed! ! TCK output 500KHz. Several possible errors have been ruled out: 1. Reset. Reset for 200ms and then pull up through CPLD. ...
There are two flash devices in the WINCE display device: Nandflash, Nandflash2, and the two FLASH folders point to the same flash. I checked the registry and found a FLASH item. What setting is wrong ...
The code is as follows. I want to save the data obtained by serial port 2 (11 data in a packet) into the Re_buf array. . . . I have been struggling for a long time. . . . Please help me: Sad:: Sad:: S...
This article introduces 10 rules for PCB component layout.
1. Follow the layout principle of "big first, small later, difficult first, easy later", that is, important unit circuits and core components...
[b][color=#666666][font=Helvetica, Tahoma, Arial, sans-serif][size=12px]Constant current source and its application circuit, introduces common constant current source circuit and its application as ac...
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]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]