Input of pin names with overline: After each letter is input, follow it with a “\”, ----- For example: R\E\S\E\T The display result is: RESET Negative level input valid pin appearance setting: Check t...
From Win32 Serial API Basic Programming (Transferred) Program Testing Problems Two days ago, I saw a simple serial port message sending program on the blog of "City Scarecrow". All you need to do is c...
If you were to build a smart home system, which mobile phone module would you choose? [[i] This post was last edited by zhaojun_xf on 2010-7-22 05:50[/i]]...
Excuse me, I want to use one serial port to send three sets of different data. Is there any good way? I send three sets separately, but they cannot be separated at the receiving end....
I have a question. The square root I calculated using the isqrt function in the M4 library is an integer. Is there a floating-point square root library function?...
Today I read a post about MMC problem, and then I checked some of the latest android4.1.2 kernel source code, and found that the problem still exists. I posted the content here for everyone to browse,...
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
Anyone who has owned a laptop computer will have noticed that when running on battery power, their portable device behaves differently than when running on AC mains power—the display dims, the proc...[Details]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
0 Introduction
Mobile robot is a comprehensive system that integrates multiple functions such as environmental perception, dynamic decision-making, behavior control and execution. Its motion...[Details]
With the development of science and technology, the improvement of living standards and the acceleration of the pace of modern cities, people are increasingly pursuing more convenient, practical an...[Details]
1 Introduction
The brushless DC motor uses an electronic commutation device to replace the mechanical commutation device of the traditional DC motor, and has similar mechanical character...[Details]
PCB Design
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