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IntroductionQuad
-rotor aircraft is a small unmanned aerial vehicle with a rigid cross structure, a fixed inclination angle, and four independent motor-driven propellers. It changes the lift an...[Details]
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#1. ROM size of C51 After Keil compiles, the displayed Program Size is: data=9.0 xdata=8 const=15 code=180, then The Total ROM (const + code + code-gap + const-gap) is 199BYTE The actual generated bi...[Details]
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Whether a transistor is a high-frequency tube or a low-frequency tube can be found in the manual, and it can be seen in the measurement if there is a professional instrument. If these two methods a...[Details]
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This strategic layout places Wi-Fi HaLow at the center of Taiwan's wireless network industry
Taipei, Taiwan, April 25, 2024 - Morse Micro, a global leader in Wi-Fi HaLow chips, today...[Details]
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Do a good job in measurement and ensure the quality of the project
Abstract: Surveying is an important basic work for grass-roots construction units. This paper introduces the ...[Details]
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According to the latest report from Canalys, shipments of smart speakers, including smart displays, continue to grow. In the third quarter of 2019, shipments of smart speakers grew to 28.6 million un...[Details]
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Beijing time, July 22, morning news, it was reported that Samsung Electronics has proposed the idea of extensively expanding its semiconductor manufacturing plants in Texas. The South Korean comp...[Details]
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S7-1500CPU generally does not have high-speed pulse counting, so a high-speed counting module must be selected. The most commonly used module is TMcount2X24, which provides two 24V high-speed pulse...[Details]
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1 Introduction
Direct digital synthesizer (
DDS
) technology has the advantages of fast frequency switching speed, easy to improve frequency resolution, low hardware requirements, pro...[Details]
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C code:
/*************** writer:shopping.w ******************/
#include reg52.h
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
sbit SH_CP = P2^0;
sbit DS = P2^1; ...[Details]
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At present, there are five main speed regulation methods for three-phase induction motors: variable frequency speed regulation, pole-changing speed regulation, cascade speed regulation, electromagn...[Details]
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1. Basic IO structure: There are 7 groups of IO for STM32F407, namely GPIOA~GPIOG, each group of IO has 16 IO ports, so there are 112 IO ports. The basic structure of the IO port is as follows: ...[Details]
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The construction of expressways in China is not long. Considering safety factors, the maximum speed limit of expressways is generally 110-130 kilometers per hour. However, with
the development of
a...[Details]
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1. Transplantation Environment
Host: VMWare--Fedora 9
Development board: Mini2440--64MB Nand, Kernel: 2.6.30.4
Compiler: arm-linux-gcc-4.3.2.tgz
u-boot:u-...[Details]
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On October 31, the 200,000-kilowatt "source-grid-load-storage" integrated application demonstration project of Xitai, Qinghai Shaanxi Coal New Energy Technology Co., Ltd., was connected to the ...[Details]
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