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Power efficiency refers to the overall power utilization rate of the UPS, that is, the ratio of the power absorbed by the UPS from the outside to the power output to the load. This value is closely r...[Details]
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We need to make something with alarm function, and we need to be able to change the remote control content by remote control. Since the stability of the system is very high, we use a watchdog. Howe...[Details]
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1. Declare the structure variable GPIO_InitTypeDef GPIO_InitStructure; -GPIO_InitTypeDef is a structure variable, including GPIO_Pin (u16 type), GPIOSpeed (GPIOSpeed_TypeDef type) and GPIOMode (GP...[Details]
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void MiniBalance_PWM_Init(u16 arr,u16 psc) { RCC- APB1ENR|=1 1; //TIM3 clock enable RCC- APB2ENR|=1 3; //PORTB clock enable GPIOB- CRL&=0XFFFFFF00; //PORTB0 1 multiplexed output GPIOB- CRL|=0X000000B...[Details]
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introduction
The traditional method is to use a video capture card (such as 1394) to capture the video signal and use the corresponding software to transfer it to the PC, which is neither convenien...[Details]
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The high-bandwidth power analyzers on the market often have a low sampling rate, only half of the bandwidth or less. Is this really reasonable? Can the input signal be sampled reliably? Can such a ...[Details]
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Some people like their car cabins warmer, others cooler. So is it any surprise that personalized climate control systems are becoming popular in mid-range cars? While this is not new to luxury cars,...[Details]
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Recently, Samsung released its new flagship Galaxy S21 series. As the super-large Galaxy S21 Ultra, how powerful is its camera performance? A blogger conducted a test. Today, digital blogger ...[Details]
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1. Introduction
In 2005, the International Telecommunication Union formally proposed the concept of the Internet of Things in the ITU 2005 Internet Report: Internet of Things. That is, through in...[Details]
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On the first day of work after the long holiday, the US Department of Commerce seemed to be ready to "make trouble" again. The U.S. Department of Commerce announced on Monday Eastern Time that it w...[Details]
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Oscilloscopes occupy almost every electronic engineer's workbench, which means that oscilloscopes have the largest market space for electronic test instruments. It also makes oscilloscopes a product a...[Details]
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1. Application of UPS in Cable TV System
Since the existing
electricity
is prone to power outages,
voltage
fluctuations, surges, noise interference, frequency deviati...[Details]
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According to Reuters, Apple Inc. launched a Hong Kong map application "HKmap.live", which caused an uproar. It is reported that this application is named to provide traffic information and facilita...[Details]
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/* Name: S3C2440 learning GPIO button control LED light 说明:这是实验2440GPIO的输入功能。基本的流程和51单片机开发的差不多。都是对GPIO端口寄存器的控制不同的是，51单片机可以直接对进行位控制，而2440中GPIO只能对32位的寄存器进行写入或者读出。这样的话，对于有些逻辑操作要稍微复杂点。还有个不同的是，无论是STM32还...[Details]
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According to foreign media reports, GelSight and Meta AI, pioneers in tactile intelligence technology, announced the launch of Digit 360, an artificial fingertip-shaped tactile sensor that can prov...[Details]
PCB Design
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