Flasher is a programming tool for microcontrollers with on-chip or external Flash. Currently Flasher supports the creation of secure area, which allows the Flasher to be pre-configured with a given co...
I am currently developing a SDIO WIFI card driver. The situation I am facing is: after the initialization is completed (sending CMD5--CMD3--CMD7--CMD52 (N)), then after the Enable SDIO interrupt, it w...
In high-speed design , the characteristic impedance of controlled impedance boards and lines troubles many Chinese engineers. This article introduces the basic properties, calculation and measurement ...
[i=s]This post was last edited by huixianfxt on 2015-3-29 16:00[/i] [img]file:///G:\qq\1017269368\Image\C2C\QZA_1{0JM45AGLXFW7}U%8Q.png[/img]#include#include
using namespace std; class A1{ public: //i...
[i=s]This post was last edited by ywlzh on 2016-5-5 17:51[/i] A few days ago, I suddenly applied for a personal WeChat public account. Not many people know it, just a few good friends know it. The ori...
[color=#000][backcolor=rgb(242, 242, 242)][font=Arial, Helvetica, sans-serif][size=12px]MEMS microphones combine more than 20 years of ADI MEMS expertise with decades of audio signal processing experi...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[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 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
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