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1. When developing on STVD, Build prompts bad struct/union operand This is because the project file is too large. The problem can be solved by deleting the unused header files and source files. ...[Details]
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1. Experimental task
: Use AT89S51 single-chip microcomputer to generate "beep, beep,..." alarm sound and output it from P1.0 port. The frequency is 1KHz. According to the figure above, we can kn...[Details]
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0 Preface Nowadays, in school dormitories, accidents such as students’ valuables being stolen and fires caused by students’ mistakes often occur. These are “big problems” that have been plaguing stud...[Details]
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Spotlights are typical modern lighting styles without a main light and a fixed scale. They can create an indoor lighting atmosphere. If a row of small spotlights are combined, the light can chang...[Details]
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introduction
The multi-source perception intelligent security system is mainly based on the "Petroleum and Petrochemical System Security Counter-Terrorism Prevention Requirements" (GA1551-2019...[Details]
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Adaptive tactile technology is increasingly being used in the automotive industry. Merritt's adaptive tactile multi-function knob is one of the projects that follows this trend.
Every da...[Details]
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Shenzhen, China - Recently,
the news that the National Aeronautics and Space Administration (NASA) announced that it would build the next generation of high-performance aerospace computing chip...[Details]
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According to foreign media reports, a research team from Pennsylvania State University said that if they want to develop reliable, fast-charging car batteries that are suitable for working in cold we...[Details]
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Recently, TSMC's stock price has continued to fall, and investment institutions have lowered their target prices. Kuo Chih-hui, chairman of Chongyue Group, the largest semiconductor equipment distrib...[Details]
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Jiwei.com reported on March 17 that Honor officially announced today that it will release the Honor V40 Lite Edition on March 23. The thin and light ultra-curved screen will bring an unprecedented vi...[Details]
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Select an oscilloscope with sufficient bandwidth to accurately capture the highest frequency components of your signal. As shown in Figure 1, all oscilloscopes exhibit a low-pass frequency response...[Details]
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0. Preparation before the experiment
a) Connect the serial port adapter
b) Download the original program of IO and serial port, and compile it to ensure th...[Details]
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First of all, will the plug-in hybrid have a power feeding state? In this case, let's first look at what power feeding is. In fact, a simple understanding of power loss is that when the battery power...[Details]
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The characteristics of various aspects of the current mode transimpedance preamplifier are summarized as follows:
☆ Circuit Name: Current Mode Transimpedance Preamplifier
☆ Function: Convert the ...[Details]
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#include reg52.h
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
//Error code definition//
#define cmd0_error 0x01
#define cmd1_error 0x02
#define write_error 0x03...[Details]
Security Electronics
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