[size=4] This article mainly refers to "MICROCONTROLLER DESIGN GUIDELINES FOR ELECTROMAGNETIC COMPATIBILITY". Although this article was written many years ago, it has a lot of practical reference sign...
[i=s]This post was last edited by jinglixixi on 2021-5-24 20:47[/i]To use the Hummingbird soft core for development, you must first build a Linux-based Hummingbird development environment. To do this,...
Please help me find a voltage regulator diode. The requirement is 0.5W 4.7V. When the input voltage is 4.5V, the leakage current must be less than 0.2mA. I asked 3 manufacturers and none of them met m...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:15[/i]void T0_time()interrupt 1 //return value { TH0=(65536-10000)/256; TL0=(65536-10000)%256; shuchu574(); write_com(0x0c); After adding thi...
This time, I participated in ADI's DIY project, which was full of twists and turns. I didn't get the chip until the scheduled end date. Fortunately, the time was extended. However, I was also busy dur...
[i=s]This post was last edited by dontium on 2015-1-23 11:13[/i] [p=16, null, left][color=rgb(51, 51, 51)][font=Arial, Helvetica, sans-serif, 宋体][size=12px]First, imagine the input and output of the c...
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]
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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[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]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]