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The STM32F4xx has two built-in watchdogs, providing higher security, time accuracy and flexibility of use. The two watchdog devices can be used to detect and resolve faults caused by software errors;...[Details]
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According to news on September 3, the HarmonyOS operating system is an operating system independently developed by Huawei. It was first unveiled at the Huawei Developer Conference on August 9, 2019. ...[Details]
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On July 31, Unit 4 of State Grid Xinyuan's Xinjiang Fukang Pumped Storage Power Station was officially put into commercial operation, marking the full commissioning of the first million-kilowatt-cl...[Details]
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The reason why we need to talk about this tick timer is because it is very special. The stm32 timer has both internal and external timers, and the tick timer is in the cortex core. If you underst...[Details]
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Domestic enterprises are accelerating their overseas layout, and the international market penetration rate is expected to continue to increase
: In recent years, domestic inverter companies h...[Details]
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//PWM output pin P0.3
//-----------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------------...[Details]
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Power factor meters, also called phase meters, can be divided into three categories: electric series, ferromagnetic electric series and electromagnetic series according to the measuring mechanism. Ac...[Details]
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Inductors are also passive components. They only work when current passes through them. Their function is to convert AC to DC, then filter out some noise waves and let stable waves pass through. T...[Details]
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"In layman's terms, the use of flexible DC transmission systems in existing power grids is equivalent to connecting a valve and power supply to the grid. It can not only effectively control the ele...[Details]
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Circuit Description: This application note describes a linear LED driver for driving six strings of LED signal lights, each string containing four series-connected LEDs. Each string of LED loads h...[Details]
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Entry condition: Operand is in .
Exit information: Result is still in .
Affected resources: DPTR, PSW, A, B, R2~R7, bits 1CH~1FH Stack requirement: 7 bytes
FATN: MOV A,@R0
MOV C,ACC.7...[Details]
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With the rapid development of science and technology, the application of intelligent devices has covered all walks of life. In family life, there is basically no sign of waste for air conditioners...[Details]
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From the initial "smart single product" to "whole-house intelligence", the next step will be to move towards "native whole-house intelligence". Different manufacturers have different understandin...[Details]
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1. Principle of displaying text We search for font in the kernel source code and find font_8x16.c, then we find the dot matrix of the character A from it, which consists of 16 bytes in total, where e...[Details]
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On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
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