1. Output DC regulated voltage 1.5~10v adjustable 2. Maximum output current Icm=300mA 3. Voltage regulation coefficient Sr〈=0.5 4. With overcurrent protection function...
[color=#000][font=Helvetica, Arial, sans-serif] When I was learning 51 before, I only needed to write the program and compile it before I could use the burner to burn the *.hex file into the microcont...
[color=#252525][size=14px]1. The resistivity of semiconductor materials is greatly affected by external conditions (temperature, light, etc.). The resistivity can be reduced by increasing temperature ...
I have a bachelor's degree and am about to graduate. I want to develop in the direction of security electronics. What is the prospect of this industry? If I am interviewing for a security company, wha...
1. After the touch screen is calibrated, it is very accurate, but after restarting the system, it is found that the overall direction is biased. What should I do? How does the software calculate the d...
[color=#ff0000]1. Principles and Applications of AVR Microcontrollers[/color] [img]http://www.ouravr.com/bbs/bbs_upload88916/files_8/ourdev_177661.jpg[/img] [Content Introduction] After giving an over...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]