UPS power supply testing generally includes two types: steady-state testing and dynamic testing. Steady-state testing is to test the phase voltage, line voltage, no-load loss, power factor, efficiency...
The problem I'm facing now is that when I use ST-LINK to simulate JTAG with MDK 4.12, it says "no target connected";1. Simulator:2. After compiling the project, set it up as follows:3. When entering t...
I am a beginner in ARM. I have configured the Linux kernel according to the instructions in the book. When making zImage, the following problem occurs: I don't know what the reason is. Please help me ...
I use FPGA to control the network card chip to make a data transmission and reception device, but how can I make FPGA start sending data? Specifically, FPGA starts sending data when it receives a comm...
I just learned DSP and saw a key scanning experiment example. There is #define KeyReg port8FFF; ioport unsigned int KeyReg; by reading the value of KeyReg, we can know which key is pressed. I don't un...
I would like to ask you a few questions: 1. What are the steps for designing the elastic body of a weighing sensor? 2. What parameters do you need to get when simulating with ANSYS to show that the el...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
Analogue and Mixed Signal
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