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The power direction relay is one of the important devices used for protection and control in the power system. Its main function is to detect the power flow direction in the power system to achieve...[Details]
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//Convert the hexadecimal sequence code into a hexadecimal array.
#include reg51.h
#include stdio.h
#include ctype.h
#define uchar unsigned char
void main()
{
//ch represents hexadecimal ...[Details]
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What will Google's AI look like in 2025? Let’s imagine: by then, Google AI may have diagnosed more patients than the most experienced doctors; Google will surpass pharmacies and hospitals to become...[Details]
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In the past, I had been using the STM32 standard library. I had to add the code step by step, set the compilation options, and then compile the entire project. This compilation process is a very slow...[Details]
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Abstract：A kind of isolated bi-directional DC-DC converter based on the single-ended forward converter has been researched in this paper, which has the advantages of simple topology, low loss and h...[Details]
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This is a Class A power amplifier with an output power of 18W. The final stage adopts a current series negative feedback circuit (the bypass capacitors at both ends of the self-supplied bias resistor ...[Details]
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The 2019 coronavirus (COVID-19) has put many of our travel plans on hold or canceled. On one hand, some are wondering if air travel will shut down completely. For others, road trips have become their...[Details]
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According to foreign media reports, recently, Israeli startup Foretellix and VIRES jointly released a new technical solution to improve the quality of ADAS and autonomous vehicle testing through inte...[Details]
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1. Delay Program
Delay functions are often used when using microcontrollers, and 430 is no exception. Common forms are:
void delay(unsigned int ms)
{
unsigned ...[Details]
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The HID class is a common method in USB applications. By modifying the JOYSTICK application of the STM32 USB firmware library V4.0, we implement a two-way USB communication. 1. Transplant the STM32 s...[Details]
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Experiment 2: Configure MCLK and SMCLK to XT1 (XT1 of F5529 is 32.768KHZ)
/*1. Configure IO ports 5.4 and 5.5 to XT1 function. */
/*2. Configure XCAP to XCAP_3, i.e. 12PF capacitor. */
/*3. Clear X...[Details]
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In the 70 years since the founding of the People's Republic of China, especially since the reform and opening up, China's power industry has developed rapidly and made great strides, becoming a glo...[Details]
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Recently, the bankruptcy documents released on the People's Court Announcement Network showed that because the bankruptcy property of Hangzhou Youth Automobile has been distributed, in accordance wit...[Details]
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Overtone Response of a Quartz Resonator
The figure above shows the modal spectrum of a quartz resonator, including the fundamental mode, the third-order overtone, the fifth-orde...[Details]
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I have used Qemu to run/debug arm linux several times, but I forgot about it after a while. I had to look up the information again every time, which wasted a lot of time. This time I made the whole...[Details]
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