Are the first prize winners of national competitions usually like this?
An enthusiast who has been disassembling and assembling radios and televisions since childhood, a second-generation electronic e...
How to improve the serial port receiving speed (receive a data packet at intervals of 10 to 20ms) At present, my program can only receive data once every 35ms. (The transmission line is very short and...
As the title says, my BSP can sleep. But it can't wake up. I want to wake up through RTC, and made the following settings: ldr r0,=vRTCBASE ;;;RTC alarm ldr r1,=0x41 str r1,[r0,#oRTCALM] ldr r1,=0x10 ...
As we all know, TI has been committed to the development of battery power management products, including fast charging, wireless charging, battery capacity detection, lithium electronic protection sol...
I designed two circuit boards, which use 485 communication. Both use the MAX3471 485 conversion chip. The power supply voltages are 5V and 3.3V respectively. During the test, I found that the communic...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[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]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[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
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]
Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
For electronic products, especially consumer products, the ultimate challenge of user interface design is how to transform complex user control actions into an intuitive, convenient and productive ...[Details]
Current-pressure sensors (often called I/P) are often used in situations where electrical signals are used to control pneumatic valves. These sensors, which can convert standard electrical signals int...[Details]
Preface
Today, automotive electronic devices account for a large proportion of the entire vehicle. Although these electronic modules bring comfort and safety to car users, at the same time...[Details]
0 Introduction
Intelligent transportation system is the development trend of future transportation system, and intelligent vehicles play a very important role in intelligent transportation...[Details]
introduction
With the development of electronic technology, the anti-theft alarm system has evolved from the original simplification and localization to intelligence and integration. At pr...[Details]
introduction
In order to completely eliminate the overloading phenomenon, overloaded vehicles are prohibited from going on the road, so that the driver can know the load of the vehicle in ...[Details]
Embedded System
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