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Following Alibaba, Baidu and Tencent’s entry into the automotive intelligent business, another domestic technology giant has “crossed over” to the automotive field. It is reported that Zheng Gang, ...[Details]
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Permanent magnet synchronous motors have the advantages of small size, low moment of inertia, and simple structure, and are widely used in control systems. However, in actual applications, the cont...[Details]
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This article mainly talks about the clock configuration of STM32 M0. Let's first look at the clock tree of the M0 core (stm32f072) As can be seen from the figure, the M0 chip has 4 clock sources, a...[Details]
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Intellectual Property Finance 2023-12-14 08:31 Published in Beijing IP Finance has learned that recently, the Chongqing No. 1 Intermediate People’s Court made a first-instance judgment in the case ...[Details]
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Large-scale programmable logic devices CPLD and FPGA are the two most widely used types of programmable logic devices today. Electronic design engineers can use them to design the special chips and ...[Details]
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In the previous blog post, we started the system by mounting the root file system with NFS. Next, we solidified the root file system with Python 3 transplanted into NandFlash. However, since Linux-4....[Details]
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By Shao Xuejian, General Manager of State Grid Zhejiang Lishui Power Supply Company
In recent years, in order to implement the decisions and arrangements of the 19th CPC National Congress on t...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
sbit scl=P3^4;
sbit sda=P3^5;
void delay0()//about 4us delay
{
;;
}
void delay(uint z)//about 1ms delay
{
uint x,y;
for(x...[Details]
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Fully automatic punching machine-0A25
0A25 fully automatic punching machine is mainly used in the flexible circuit board (FPC) industry. This equipment is a high-precision FPC servo punching m...[Details]
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The previous article analyzed the startup code of S3C2410 WinCE6.0 OAL. This article then introduces the OAL transplantation process. Before continuing, let’s clarify the role of WinCE6.0 OAL. I...[Details]
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Many friends are always passionate about learning pic microcontrollers, and constantly use their spare time to study various technologies of pic microcontrollers. When talking about pic microcontroll...[Details]
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1. Stepper Motor Basics 1. Definition The stepper motor is an actuator that converts electrical pulses into angular displacement. It mainly uses permanent magnet stepper motors. The stepper motor use...[Details]
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1. Transplantation Environment
Host:
Ubuntu
Development board: Friendly Arm mini2440
Compiler: arm-linux-gcc-4.3.2
u-boot:u-boot-2009.03.tar.bz2
...[Details]
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This article introduces the performance comparison of memcpy implemented in C language, ARM assembly and NEON assembly on Cortex-A8 chips based on ARMv7 architecture (FreeScale i.MX51 / i.MX53 / QualC...[Details]
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The servo motor encoder is an important part of the servo system, and its performance directly affects the accuracy and stability of the servo system. This article will introduce the working princi...[Details]