Experiment name: Research on defect location of curved panels based on piezoelectric sensors
Research direction:
Curved structures such as aircraft skin, aircraft wings, and wind turbine blades have a...
As shown in the figure:
The problem is as follows:
1. After full-wave precision rectification, the output pin of U5B is a steamed bun wave without adding a capacitor of 0.47uF. After adding a capacito...
The exquisite design of this tumbler-like rocking alarm clock lies entirely in its antenna rod: by touching the tip of the antenna, you can set the alarm time; by turning the antenna rod, you can turn...
In early 1905, the Society of Automotive Engineers (SAE) recognized the need for standardization. Automakers of the era were small companies that bought parts from suppliers and assembled them into co...
Recently, when using msp430f5529, I found that when applying UP MODE in TA0, selecting ACLK (32.768Khz) or dividing SMCLK by 32 times, and enabling TAIE, the microcontroller will reset continuously. W...
[font=黑体][size=5][b]Foreword:[/b][/size][/font][size=3][font=宋体] [/font][/size][font=宋体][size=3]Before I could apply for this kit, I had already seen the news about STM32F469 discovery Kit on the mobi...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
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