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Speakers and crossovers
It is selected according to the frequency range of the tweeter and the frequency range of the woofer. When the tweeter and woofer units are combined, in order to make t...[Details]
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1. Is there any fixed relationship between bandwidth and sampling frequency? The sampling rate should theoretically meet the sampling law of Nongxiaoxiang, that is, each cycle of the highest frequenc...[Details]
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The United States is preparing to take further restrictive measures against Chinese surveillance camera company Hikvision, a decision that will affect cities from New York to London to Singapore. Acc...[Details]
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Recently, electronic engineer netizens have often raised the question that in system design, a very confusing issue is how to choose a reasonable and applicable isolator. Not long ago, this websi...[Details]
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One after another, cloud drives and cloud albums kept disappearing, and this time it was Youku Cloud Album. Many people may not have even mentioned that there is a Youku Cloud Album. It is precisel...[Details]
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The minimum system of single-chip microcomputer refers to a single-chip microcomputer system that can work with the least components. In order to facilitate the designer's self-development and ap...[Details]
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A simple program modified based on the Battleship development board that can adjust the frequency and duty cycle at the same time. span style="font-size:18px;" void TIM3_PWM_Init(u16 arr,u16 psc) ...[Details]
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The motor is what we call an electric motor. It is an electromagnetic device that realizes the conversion or transmission of electric energy according to the law of electromagnetic induction. It ca...[Details]
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1. Background
Because neon lights have the characteristics of uniform and continuous light, they have been widely used in the decorative lighting market for many years. Neon lights ar...[Details]
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1. Multimeter A multimeter, also called a multimeter, three-purpose meter, or multiplexer, is a multi-functional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC ...[Details]
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Timer T2 is more powerful than T1 and T0, but there is not much information describing it, probably because it is rarely used. It is a 16-bit timer/counter with automatic reload and capture capabilit...[Details]
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void motor_ffw()
{
unsigned char i;
for (i=0; i 8; i++) //One cycle rotates 30 degrees
{
P1 = FFW &0x1f; //Get data
//FFW is t...[Details]
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A new report suggests that Microsoft is planning to add a new feature to its upcoming Windows Phone mobile operating system. The new feature will allow built-in text message backup. The report says t...[Details]
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By Microchip Joe Bush Networks based on Ethernet and Internet Protocol (IP) are ubiquitous. You can find them in standard computer networks as well as in cars, IoT and various automation applicati...[Details]
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Jintian inverter is a kind of equipment widely used in the field of industrial automation. Its parameter setting is of great significance to ensure the normal operation of the equipment and improve...[Details]
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