List of component information summary:
https://bbs.eeworld.com.cn/thread-1084638-1-1.htmlI saw thick film non-inductive resistors on the list. What kind of resistors are they? Where are they mainly us...
Today I will share the SAM4S PIO module in the SAM4S Xplained Pro starter kit. This time I used IAR as the compilation environment, and ported a routine from AS 6.2 to IAR. This is a template with a l...
More than 70% of network damage comes from inside rather than outside? Are the company's confidential documents (financial information, customer information, design information, etc.) really safe? Can...
With the development of smart mobile devices, the public has higher and higher requirements for the power supply of mobile devices such as mobile phones. Therefore, wireless charging technology has at...
Analog Circuit 1. What is the content of Kirchhoff's theorem? (Shilan Microelectronics) 2. The formula of the plate capacitor (C=εS/4πkd). (Unknown) 3. The most basic one is the curve characteristic o...
As the title says, the video signal current output by the linear array CMOS is too small, and the input resistance of the AD module used is only 50ohm. I want to use an op amp to design a voltage foll...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]