Article excerpt: "ARM Cortex-M0 starts here"Author: zhaojun_xfhttps://bbs.eeworld.com.cn/thread-324656-1-1.htmlIntroduction to Digital Photo Frame 1. Overview A digital photo frame is a photo frame th...
Dear masters, I want to build my own schematic library and PCB library now. I want to store some difficult-to-draw components in my own library. Does anyone have a video on this? Please send me a link...
Design of Boost APFC Converter
Design requirements: Input voltage: 85~265VAC ; Output voltage: 400VDC ; Maximum output power : 80W ; Power factor input: greater than 0.95 . Select all components of th...
During the boot process, I found that the global variables were modified inexplicably. Because the system was not running at this time, I analyzed the fault and found three reasons. Pointer out-of-bou...
In the past month before the New Year, I have been working on graphics libraries. Strictly speaking, I searched for several graphics transformation algorithms on the Internet and integrated them into ...
[color=#03438d][table=98%][tr][td][/td][/tr][tr][td][table=98%][tr][td=2,1][color=#03438d][size=14px]True effective value (RMS) signal isolation amplifier[/size][/color][/td][/tr][tr][td=2,1]It is use...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[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]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
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