[color=rgb(34, 34, 34)][font="]To understand the amplification effect of transistors, we can use a very common object in life as an analogy. Let's take the NPN transistor as an example. The PNP transi...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:03[/i] We are in the measurement field and have just successfully built a 30KHZ filter. We feel very confident!...
Board introduction: https://bbs.eeworld.com.cn/thread-298330-1-1.html The link of the first group purchase: https://bbs.eeworld.com.cn/thread-298780-1-1.html Our group purchase has been recognized by ...
Development Board Hardware AnalysisCore board:The power supply of the core board's 50MHz active crystal oscillator uses a 22Ω resistor in series with the main power supply to isolate power supply nois...
I recently learned about RC filtering and RC oscillation circuits, and I feel that these two circuits are a bit contradictory.
because:The RC oscillation circuit is used to produce a fluctuating wavef...
The small device uses a motor to control a thin sheet to touch the capacitive screen of the mobile phone, and then bounce back, realizing a simulated finger touch. (There are several sets of controls,...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]