This development board was obtained from Farui. It has never been used, the development board packaging has not been opened, and it is brand new. All accessories are complete. I want to learn STM32. I...
After reading the TPS3823-33.PDF document, I found that in addition to the power monitoring function, the TPS3823-33 also has a watchdog function, and the watchdog is fed by WDI. Question: Isn't the F...
I want to make a screen that automatically switches to vertical mode when someone borrows a phone to make a call, and automatically switches to the original screen mode after the call is completed. Ca...
I am new to this stuff. I am writing ATAPI driver for a DVDROM. I detected that the hardware is OK. The Identify command (0xa1) was executed successfully, but an error occurred when executing the SCSI...
Use keil and proteus to simulate the reading time of ds12c887. After reading, the LCD displays I5: I5: I5.I don’t know what’s wrong. Please help me! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! unchar read_ds(un...
The ZigBee Specification is available to individuals, companies and institutions free of charge for all non-commercial purposes (including university research, technical evalua-tion, and development o...
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]
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]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[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]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[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]
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]