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1. Introduction of bss clearing (why we need to clear bss) Let’s give an example first: #include "s3c2440_soc.h" #include "uart.h" char g_Char = 'A'; //.data char g_Char3 = 'a'; const char g_Char2 ...[Details]
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Components of permanent magnet synchronous motor: stator, permanent magnet rotor, position sensor, electronic commutation switch, etc.
Permanent magnet synchronous motors have the advantages o...[Details]
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Microchip Launches Next-Generation PoE Switches, Adding Advanced Networking and Security Features for Outdoor Applications
The PDS-204GCO is the next generation solution of the popul...[Details]
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The hypothetical indirect method is to divide the matrix converter into two circuits, calculate the duty ratio of the switch elements in each circuit, and then convert it into the duty ratio of the 9...[Details]
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After the audio signal passes through a 50 Ohm impedance matching network composed of an operational amplifier and resistors, it is processed by the range control module. If it is a general 100mV-5...[Details]
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Ethernet is a special peripheral of TI's 9b96 chip, or the reason why we choose 9b96 chip is to use its Ethernet. However, in the examples of Ethernet in the CD provided by the development board, such...[Details]
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On November 28, according to the Shanxi Provincial Department of Science and Technology, Taiyuan Iron and Steel (Group) Co., Ltd. recently developed the super ultra-pure ferrite TFC22-X connector mat...[Details]
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Air-core transformer
Air-core transformer is a practical device that can be abstracted by self-inductance and mutual inductance model. Its model is
Based on the understanding of ...[Details]
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Function of the circuit
The linearization circuit composed of analog circuits has diode fold line approximation method, power series expansion approximation method, etc., but th...[Details]
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You should all be familiar with the serial port. I won’t go into the specific communication principles as there are many discussions on Baidu. Then just look at the functions directly. void Uart_Se...[Details]
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Quick use of MPLAB IDE 1. To achieve the effect: double-click to select a word, double-click again to select the entire line. ——Open Editor =》Properties... menu, select C File Types tab, and unch...[Details]
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The CF card is read and written through the 8051 microcontroller.
2. How to operate the CF card
The operation of CF card is similar to the operation of computer hard disk. There are two wa...[Details]
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Analog
Circuit
Interface
In industry, voltage 0-5(10)V or current 0(4)-20mA is usually used as a method for analog signal transmission, which is also a method often used by programma...[Details]
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Abstract: This paper comprehensively analyzes and improves the failure mechanism of high-frequency transformer pin damage due to stress, the device itself, and the reliability of the device in actu...[Details]
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On October 18, 2024, the three-day 2024 China (Chongqing) Digital Energy Industry Innovation and Development Conference has come to an end. However, the performance of Beijing Mingde Shengyuan Ener...[Details]
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