[p=20, null, left][color=rgb(73, 73, 73)][font=Verdana, sans-serif][size=12px]So far, there is no very strict and accurate definition of "light engine", so many readers still don't know what a light e...
P5DIR |= 0x02; // Set P5.1 to output directionHow can I know the direction of P5DIR, andwhich port it refers to;0x02 is 00000010;P5DIR is 0x0032, which is 00110010;then P5DIR is0000001000110010-------...
[font=微软雅黑][size=3][b]About the 2013 National Undergraduate Electronic Design Competition:[/b] [url=https://bbs.eeworld.com.cn/thread-350353-1-1.html]>>Introduction to the training for the 2013 Electr...
In the lab, the mobile signal was between full and four bars. Since China Unicom built a signal transmitting device (not sure if it was a base station) on the rooftop less than 50 meters away, the mob...
After a simple installation, the appearance is similar to software visual. I checked the support list introduced in the introduction and found that the entire series of MSP430 are also supported. The ...
When debugging the ti routine, abnormal noise appears in the current closed loop. After switching into the speed loop, the abnormal noise still exists. Note: Under open loop (directly given VD, VQ), t...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
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 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]
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]
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]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
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