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The types of motors can be divided into DC motors and AC motors according to their working power supply; they can be divided into DC motors, asynchronous motors and synchronous motors according to ...[Details]
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Recently, the patent infringement dispute between Taiwan Holtek Semiconductor Co., Ltd. (hereinafter referred to as "Taiwan Holtek") and Shenzhen AMEC Semiconductor Co., Ltd. (hereinafter referred to...[Details]
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In recent years, my country has made remarkable achievements in the field of semiconductor technology. Breakthrough progress has been made in key core technologies such as intelligent processing chip...[Details]
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The latest news shows that Huawei's end-to-end 4G/5G core network cloud software and hardware based on Kunpeng has completed China Mobile's internal and external field testing and acceptance. It ca...[Details]
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When designing a switch-mode power supply , the most troublesome component is the RCD snubber. The traditional method of designing the RCD snubber does not have a detailed description of the turn...[Details]
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More and more information about the ASUS ROG Phone 3 gaming phone has been leaked. Weibo blogger @数码闲聊站 released the real machine pictures and promotional pictures of the ASUS ROG Phone 3 gami...[Details]
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The unijunction transistor is also called a double base diode. Its symbol and appearance are shown in the attached figure. The method to determine the emitter E of a single junction transistor is: ...[Details]
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LED display unit board:
A. The whole board is not lit
1. Check whether the power supply and signal line are connected.
2. Check whether the test card can identify the inter...[Details]
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The top row of pins is the row, and the bottom row of pins is the column. The row is the LED anode. Each row and column is controlled by four 74HC573, each controlling 8 pins. At the sa...[Details]
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Obviously, this is not the first time we have discussed future battery technologies. In the absence of greater breakthroughs in lithium batteries, scientists and technicians have begun to develop...[Details]
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The network topology has an important impact on the safety of the automotive network system. To ensure the availability and reliability of the communication system in the automotive environment, it...[Details]
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Taxi meter microcontroller source code: #include reg51.h #include "lcd1602.h" #include "ds1302.h" unsigned char time_add ; void LcdDisplay(); void keyscan(); uint n=0,s=0; uint j=0,k=0; uint t=...[Details]
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For microcontroller beginners, in order to achieve the purpose of delay control time, the microcontroller is often used to calculate the for loop function. As learning deepens, it is inevitable that ...[Details]
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There are three main methods for saving Siemens S7-200plc program data during power failure. The data power failure saving methods and characteristics are as follows:
1. Set the power-of...[Details]
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Classification of memory:
Memory has become an indispensable component in PC or embedded hardware platform due to its advantages of fast access speed and simple access method. Before starting ...[Details]
PCB Design
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