I am an undergraduate student, and I am interested in making smart doorbells. And this smart doorbell has already been made by developers. My own technology is not good enough to do this project well,...
My c8051f320 usb demo board uses bulk and interrupt communication modes, with a communication rate of up to 1.5Mb/s (programmed using vb6), http://c8051fmcu.blog.sohu.com...
The TMS320F28335 contains a 12-bit AD converter with the following features: 12-bit ADC core with built-in (sample and hold) S/H Analog input: 0.0V to 3.0V (voltages above 3.0V produce full-scale conv...
How to find IC chips according to the required functional area? For example, I need two non-contact sensing ICs. When these two chips are close to each other, it is best if both have outputs. How can ...
[font=Microsoft YaHei, 微软雅黑, SimSun, 宋体, sans-serif][color=#555555][size=14px] The C2000 ±0.1° Accurate Discrete Resolver Design is an excitation amplifier and analog front end for resolver sensors. D...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[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]
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]