I want to make a switch circuit, 5V electrical signal to control the relay, but I can't find a suitable relay. Do you have any recommendations? Or other suggestions. Input voltage and current 48V-20A...
Today, I looked at the power management and started to work on it in the afternoon. Afterwards, no matter what I did after booting, the OEMIDLE function would be called continuously. The print informa...
First, read the principle of automatic control (classic part) and understand the concept of zero and pole, because the power supply is a typical small phase angle system under the condition of small s...
If the CSSEN bit in the clock safety system register CLK_CSSR is enabled, the external crystal oscillator will fail immediately and switch to the internal high-speed RC oscillator as soon as the circu...
I am new to pic microcontrollers. Now I want to use the pic18f6520 chip to display a few Chinese characters on the LCD12864. I'm looking for a C language program that can be debugged directly. Thank y...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:16[/i] Hi everyone, I will participate in the National Undergraduate Electronic Design Competition in September, please take care of me!!!...
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
0 Introduction
The peak value of AC voltage refers to the maximum value (positive peak value) or minimum value (negative peak value) of AC voltage, which is a very important parameter in t...[Details]
0 Introduction
In the multimedia era, traditional Class A, Class B, and Class AB linear analog audio amplifiers can no longer meet the new development trends of green energy saving, high e...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the fol...[Details]
0 Introduction
With the application of computer technology and network technology and the popularization of intelligent buildings, it has become an urgent need to build an intelligent fire...[Details]
Power technology
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