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802.11 is a series of wireless local area network (WLAN) standards developed by the Institute of Electrical and Electronics Engineers (IEEE), mainly used for local wireless communications in the 2.4 a...[Details]
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Author: Zhan Lianyang, Wang Lieyang, Chen Xiang, Zhang Shuiping, Huang Xiaohu 1 Introduction NAND FLASH is widely used in electronic systems as data storage. Field Programmable Gate Array (FPGA)...[Details]
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1 Introduction This article will analyze how to use CC2530 to implement a wireless serial port. Some codes will be listed and the specific operation of CC2530 will be analyzed. The specific content o...[Details]
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1 Introduction Low-power photovoltaic inverters are typical representatives of small power electronic devices. As the core device of the inverter, IGBT modules generate a lot of heat during operatio...[Details]
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Comparing and selecting low-power microcontrollers (MCUs) based on the current consumption specifications listed in the data sheet is a difficult task. In most cases, developers selecting an MCU wi...[Details]
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Communications and artificial intelligence are the hottest terms in science and technology. With the combination of communications and AI, the future will be an intelligent era where everything is co...[Details]
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How many PWM waves can a timer capture at most at the same time?
I only need to get the high level width of PWM, and the frequency of PWM is 50HZ.
The STM32 timer has two capture modes:
PWM input...[Details]
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In order to use the existing mobile communication network to control the remote electronic display screen, a solution for wireless control of the display screen based on the GSM network is propos...[Details]
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Hardware platform: STM32F10X PWM module + JLink + oscilloscope Software platform: Keil 4 1. Basic knowledge First, according to the chip model, STM32 small-capacity, medium-capacity products and STM...[Details]
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1. Download STM32_USB-FS-Device_Lib_V3.2.1.rar 2. Install DfuSe_Demo_V3.0_Setup.exe. 3.打开...\STM32_USB-FS-Device_Lib_V3.2.1\Project\Device_Firmware_Upgrade\MDK-ARM\DFU.uvproj Modify: //#define Applic...[Details]
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Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]
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On May 18, at the signing ceremony of major investment projects in Tongliang District, Chongqing, Wang Pengcheng, general manager of Xiamen Haichen, signed an investment agreement with Tonglian...[Details]
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BLDC motors perform well in energy saving and consumption reduction, and can achieve fast response and high-precision speed change effects within a wide speed regulation range. They fully meet the ...[Details]
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1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]
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SA4828 Pin Diagram
Figure SA4828 pin diagram
SA4828 is a standard 28-pin dual in-line package, as shown in the figure. The main pin classification is as follows: ① Drive signal and detection R...[Details]
MEMS sensors
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