[font=微软雅黑][size=4][/size][/font] [font=微软雅黑][size=4][b]Li Yubai - Professor[/b][/size][/font] [hr] [font=微软雅黑][size=4] Li Yubai, male, professor, received a bachelor's degree in engineering and a mas...
I was bored today, and I happened to have a small OLED screen. So I used STM32L053R8 to write a display program. First, let me introduce OLED. The full name of OLED is Organic Light-Emitting Diode, an...
Everyone, I want to buy a PDA, the operating system is Wince, with Ethernet interface and secondary development function. Can you recommend one? What kind of PDA do you use? I would like to learn from...
This is my first time drawing a board. I encountered some minor problems. Please help me. The board is based on a 51 single-chip microcomputer. I found that I had missed a resistor after the PCB file ...
I have an AMD LX800 industrial control board, but the manufacturer doesn't provide BSP. I had to download one from eeworld's download channel. After a simple configuration, I debugged it. After loadin...
Problems with the STM32 USB SPEAKER example programIn the USB speaker program of UM0424, the speaker is used as an OUT endpoint, and the data is sent from the PC to the STM32, and the STM32 is used to...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]