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In today's society, traditional energy is facing exhaustion, and the human ecological environment is deteriorating. Solar photovoltaic power generation has become the focus of people's attention du...[Details]
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I often encounter some annoying pseudo instructions starting with ".", such as .globl _start .balign .align .data .text, etc. The most annoying one is as follows: _undefined_instruction: .word undefi...[Details]
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In Keil's project settings, you need to change the macro definition according to the selected microcontroller. If the macro definition is not changed after the program is transplanted, an error may s...[Details]
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Absolute value output circuit capable of rectifying micro voltage
Function of the circuit
This circuit outputs the amplitude of the input signal in a single polarity regard...[Details]
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Abstract: In order to make the switching power supply safe and reliable in harsh environments and sudden fault conditions, several practical protection circuits are proposed, and the working princi...[Details]
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#include iom16v.h #include macros.h #include"12864.h" #include"main.h" void port_init(void) { DDRC=0xFF; //12864 data port, set to output PORTC=0xFF; en_out; //Set EN output rw_out; //set rw...[Details]
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I spent a whole morning studying and wrote a program. It is small but complete. I hope that people who are learning this can spend less time searching for information and master it faster.
#in...[Details]
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In the process of porting U--BOOT, you need to modify the board_init() function to set the system clock. In the board_init source code, there is a s3c24x0_CLOCK_POWER definition pointer. So what is...[Details]
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The microcontroller can not only show its magical power in industrial control, but also can realize practical functions if it is used to control some very interesting chips. For example, the design of...[Details]
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Recently, inventory pressure has emerged in the semiconductor industry, and prices of many chips have begun to fall. On August 16, Liu Xingliang, a member of the Information and Communication Econo...[Details]
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Washing hands has always been an important way to prevent the spread of viruses, but with the COVID-19 pandemic, it's more important than ever to make handwashing a habit. However, establishing...[Details]
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1 PIC12XX structure
Microchip's single-chip microcomputer was the first to adopt a high-performance, cost-effective embedded controller with a RISC (reduced instruction set computer)...[Details]
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EPS emergency power supply is a power supply system developed from UPS power supply . It is also a relatively economical and ideal emergency power supply developed in recent years. EPS emergency po...[Details]
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1 Beamforming Basics
The term “beamforming” is sometimes misused, which can cause confusion. Technically, beamforming is as simple as beam steering, where two or more antennas transmit signals wi...[Details]
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On October 28, BOE held the "Only One True Image" ADS Pro Technology Appreciation Conference in Shanghai. BOE has created three interactive scene areas, namely "Light and Shadow Reveals Truth", "Al...[Details]