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Yesterday, Xiaomi Group Vice President, China President, and Redmi Brand General Manager began to prepare for the promotion of the new generation of Redmi flagship series K40 series. For examp...[Details]
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With the rapid development of cities, most people own their own cars, which also makes traffic congested. The stopping and starting of cars during peak hours will consume a lot of energy, which is no...[Details]
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STM8S has 9 reset sources: NRST pin generates external reset Power-On Reset (POR) Brown-out Reset (BOR) Independent watchdog reset Window watchdog reset Software reset SWIM Reset Ill...[Details]
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RFID tags are divided into two types: passive tags and active tags. Passive tags are contactless IC cards. Due to the short reading distance of passive tags, they are limited in many applications. ...[Details]
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1. Brief Introduction Over the years, the programmable controller (hereinafter referred to as PLC ) has made a leap from wiring logic to storage logic since its creation; its functions have evolved ...[Details]
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Recently, there have been reports that many automakers will stop production due to a shortage of automotive chips. The China Association of Automobile Manufacturers also stated that the tight supply ...[Details]
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1. Structure and working principle of P0 port
The structure of one of the 8 bits of port P0 is shown in the figure below:
As can be seen from the above figure, the P0 port is composed of a ...[Details]
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The clap switch is a very interesting MCU project for beginners. It turns on and off electrical appliances with the sound of clapping. In this article, MCU developers will use a PIC microcontroller...[Details]
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On the evening of December 9, GCL Integration (002506) released a plan for a private placement, intending to issue shares to specific objects to raise a total amount of no more than 6 billion yuan, wh...[Details]
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1. Introduction
The alarm host has been promoted in China for more than 20 years. As the core equipment of the alarm system, its mainstream application scenarios and product forms have not ...[Details]
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Brushless DC motor (BLDC), also known as electronically commutated motor (ECM or EC motor) or synchronous DC motor, is a synchronous motor that uses a direct current (DC) power supply. A brushless ...[Details]
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ATPCS is the abbreviation of Arm Thumb Procedure Call Standard, which means the basic specification of subroutine calls in arm programs and thumb programs. Register usage rules When the number of...[Details]
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The bit meanings of CRL are as follows: Here are some configuration examples: GPIOB- CRH&=0XFFFF00FF; GPIOB- CRH|=0X00003300;//PB10,11 push-pull output GPIOB- CRL&=0XFF0FFFFF; GPIOB- CRL|=0...[Details]
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environment: Host: WIN7 Development environment: MDK4.72 MCU:STM32F407VGT6 illustrate: There is an LED on the target board and a button that flips the LED state. LED: PE2, low level lights up, hi...[Details]
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Abstract:
In the digital control method of power chip, delay link is often introduced. After the delay link is introduced, the method of analyzing circuit response, especially quantitative ca...[Details]