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The meaning of phase locking is the automatic control of phase synchronization. An automatic control closed-loop system that can complete the phase synchronization of two electrical signals is called...[Details]
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Embedded systems are undoubtedly one of the hottest and most promising IT application areas. Embedded systems are used on some specific dedicated devices. Usually, the hardware resources (such as proc...[Details]
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1. keydrive.c
#include reg52.h
#include stdio.h
/*
Program function: This program is used to test the 4X4 matrix keyboard driver;
Program algorithm:
The button status is checked ever...[Details]
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From June 3 to 4, 2021, the 16th Automotive Lighting Industry Development Technology Forum and the 7th Shanghai International Automotive Lighting Exhibition (ALE) were grandly held at the Shanghai Au...[Details]
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1. Background: In many cases, due to limited hardware resources, but serial communication is needed, you can consider using an analog serial port; 2. Prerequisites: To achieve a specific bps serial p...[Details]
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"The pine oil lamp is retired"
——State Grid Tibet Power helps the snowy plateau win the battle against poverty
"We have clearly defined the work ideas and plans to fully serve the fight a...[Details]
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LED light sources have long service life, energy saving, simple and convenient application, and low cost, so they will be widely used in home lighting. The technology of LED light sources is becoming ...[Details]
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Analysis of header files reg51.h and reg52.h when programming in C in single chip microcomputer
When we program in C language, the first line is often reg51.h or other custom header files. How ...[Details]
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In 2019, under the new global political and economic trends, the long-term good development trend of the electronic semiconductor industry seems to have added some uncertainty. Although major semicon...[Details]
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1. Introduction UPS (Uninterruptible Power System) AC power supply is increasingly widely used in various fields of the national economy. This article will introduce a practical and simple online UP...[Details]
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On August 24, Yingtang Intelligent Control stated on an interactive platform that Pioneer Micro Technology's own production equipment includes Japanese-made lithography equipment, and its acquisition...[Details]
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In the traditional high-frequency transformer design, due to the limitation of the core material, its operating frequency is relatively low, generally around 20kHz. With the continuous development o...[Details]
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In electronic system equipment, connectors are indispensable components. They are mainly used to achieve the connection between devices, components, electronic equipment and various subsystems, and t...[Details]
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Recently, the China Securities Regulatory Commission approved the registration of the initial public offering of stocks on the Science and Technology Innovation Board of the following companies in ac...[Details]
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Abstract: A novel current critical conduction (DCMboundary) power factor correction (PFC) chip is introduced. Its main feature is to improve the power factor at high voltage input and reduce the total...[Details]