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On March 9, Huaxing Yuanchuang released a restructuring draft, and the company plans to purchase 100% of the equity of Oulitong held by Li Qihua and Lu Guochu through the issuance of shares and payme...[Details]
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Following the release of iOS 14.7.1 last week, Apple has stopped signing iOS 14.7, the previous version of iOS released in early July. Since iOS 14.7 is no longer signed, it is impossible to downgrad...[Details]
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1. Introduction:
The variable air volume (VAV) air conditioning system is an air conditioning system that uses a variable air volume box to adjust the air volume and the fresh air return m...[Details]
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1. Introduction
This article aims to build arm-linux on skyeye and successfully mount it on arm-linux
NFS is the target, and eventually we can run our own applications in arm-linux.
It is not d...[Details]
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On July 27, according to the Beijing Regulatory Bureau, CICC released a basic information table on the guidance of Beijing Yiheng Chuangyuan Technology Co., Ltd.'s initial public offering of A-shares...[Details]
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WeChat web version is a service that users really need but are in an awkward situation. For the increasing number of users who have secondary accounts, WeChat on PC is not enough to meet thei...[Details]
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(1) Continuously send data through the serial port In the library function void USART_SendData(USART_TypeDef* USARTx, uint16_t Data); The function does not have a cache function. When we need to ...[Details]
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Circuit principle: The circuit charges the battery after voltage transformation, bridge rectification and conditioning. The transformer can adjust the charging current. It can charge a battery of ...[Details]
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1 /*************************************************** 2 3 *u-boot version: u-boot-2014.10 4 5 *gcc version:/home/flinn/tools/4.4.3/bin/arm-none-linux-gnueabi- 6 7 * 8 9*Server: ubuntu14...[Details]
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Today, Redmi officially preheated the Redmi Note 11 series again. This phone will be equipped with JBL symmetrical stereo speakers. The upper and lower sound units are of the same size, and the...[Details]
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1 Overview
In the development and production of various communication equipment, there are strict requirements for the safety, efficiency, noise, volume and weight of AC/DC. The series AC/DC with...[Details]
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It is very convenient to use DMA for STM32F4 serial port transmission and reception. However, the data length needs to be configured when configuring DMA. For transmission, you can estimate the lengt...[Details]
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Summary of MCU arithmetic instructions, MCU addition instructions without carry bit
ADD A,#DATA ;Example: ADD A,#10H
ADD A, direct; Example: ADD A, 10H
ADD A,Rn; Example: ADD A,R7
...[Details]
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First, there are two types of time under Linux, system time and hardware time (RTC chip):
1. System time is the time that can be directly seen by the running system;
2. Hardware time is t...[Details]
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I started to get involved in embedded systems by learning microcontrollers, so I always felt that I should start from the hardware and then move on to the drivers. This learning process made it eas...[Details]
MEMS sensors
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