System IntroductionThe main function of this system is to compress the voice signal to achieve high-efficiency digital recording, which can be used for telephone messages, voice answering and other oc...
LM324 is a quad op amp integrated circuit. It uses a 14-pin dual in-line plastic package and its appearance is shown in the figure. It contains four groups of operational amplifiers of exactly the sam...
At the Guangzhou Lighting Exhibition, I saw NXP's DALI application solution and learned that the NXP website has this library, which was successfully run on the lpc1114 platform. This library is just ...
Source: My blog: [url=http://blog.163.com/yuan_xihua/blog/static/3074054420087144615482/]http://blog.163.com/yuan_xihua/blog/static/3074054420087144615482/[/url] Many people who have just got the boar...
I have seen two versions of cc2430 antenna diagrams in this forum, but there are contradictions in them. I hope someone who has actually made a board can give some advice.This is the data map I haveLe...
[align=left][font=微软雅黑][size=3] I often see friends asking "How many bytes does int take up?" on the Internet. In fact, this question is like asking "How many wheels does a car have?" If the person as...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]