On New Year's Day, I spent 39 silver coins on Taobao and bought a 2.4-inch TFT color screen module. I used the code provided by the store owner and STC's 51 single-chip microcomputer to drive it and i...
[i=s]This post was last edited by hehung on 2022-1-18 21:45[/i]As an open source embedded real-time operating system, FreeRTOS is widely used in the embedded industry. It is also necessary to integrat...
After the LCD was replaced, it was changed from the original 320*240 to 640*480. The BIOS startup picture can be displayed normally at first, but when it starts to read NANDFLASH, the lower part of th...
When I first used a multimeter, my teacher told me that choosing the appropriate range would achieve the best accuracy.
For example, a multimeter has ranges of 1V, 5V, 10V, and 50V. The target voltage...
The Double 11 Shopping Festival is coming soon. At the request of relevant departments, I would like to share three short videos on how to prevent telecommunication fraud. I hope that the cases in the...
[size=4] Transient interference of voltage and current is the main cause of damage to electronic circuits and equipment, often causing immeasurable losses to people. These interferences usually come f...
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]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[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]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[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]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]