[size=4]Visual evoked potential (VEP) is a method of obtaining EEG response information by visually stimulating the subject. According to the frequency of the stimulation signal, it can be divided int...
I use this MCU to connect ulq2003 to drive the peripheral relay. The MCU pins are not equipped with pull-up resistors, which causes the relays to jump randomly when downloading the program. Is there a...
After several days of debugging, I finally completed the lower computer part. My feelings are as follows: 1 The CCS compiler is a bit difficult to use. It has a great impact on the timing when debuggi...
Hey everyone: I defined a 2D array of a structure and initialized it with a function, but it won't compile with tornado, but it works with vc++6.0. What's the reason? typedef struct Positon_ { int x; ...
TI has a document describing the transmission of power and RS485 signals on a pair of twisted pairs: [url]http://www.ti.com/lit/ug/tidu993/tidu993.pdf[/url], I happened to have a sensor at home and on...
Powered by 12V~15V power supply, 300 Lumen output After selecting the design goal, choose the type of LED. The figure below selects a more efficient oneThen choose the drive circuit. Based on the prin...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
DSP and ARM Processors
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