SMD-99-5004M

    Abstract: This article introduces a non-contact scanning method to measure the flatness of piano keys, discusses two methods of establishing measurement benchmarks and the basic components of the...[Details]

At present, tunnel lighting almost always uses high-pressure sodium lamps as light sources. However, high-pressure sodium lamps have many shortcomings in terms of radiation form, color rendering, v...[Details]

IntroductionWLAN technology and embedded technology are two popular research directions at present, and the combination of the two, that is, embedded systems with wireless access functions, has a m...[Details]

Overview As an important connector and port type for RF and microwave testing, waveguide has a wide range of applications. In the test application of vector network analyzer, waveguide interface, esp...[Details]

/*********************************************************** 8*8LED dot matrix——display digital experiment Implementation phenomenon: After downloading the program, the number 0 is ...[Details]

The covering layer that protects and decorates the surface of the material, such as coating, plating, coating, pasting, chemically generated film, etc., is called coating in some national and internat...[Details]

A new report shows that nearly half of all smartphones sold in 2022 will be equipped with OLED panels. This is a sign of the growing popularity of OLED display technology in the smartphone market. ...[Details]

I only knew one MOV instruction, but I didn't know there was another MOVS. I looked it up in the book and found that there was only MOV transfer instruction. num EQU 20; define a constant num with ...[Details]

Many systems and products designed by engineers today include microelectromechanical systems (MEMS) sensors, especially key components such as MEMS gyroscopes. These applications are diverse, ranging...[Details]

1. Introduction to stm32 Flash operation 1. stm32 programming method There are two ways to program ICP online, including: Use JLINK to download the program or download the program to the MCU throug...[Details]

I would like to share with you a subroutine for LCD1602 display. It is modular and can be called multiple times. It is very convenient to transplant. You can use it in your own program without modifi...[Details]

A rectifier diode is a semiconductor device that converts AC power into DC power . It usually contains a PN junction with two terminals, an anode and a cathode. It has obvious unidirectional...[Details]

Key input learning (key_polling): Objective: Through the input of the key, the LED light can be reversed.    To read the key input, it is necessary to write a key.c and key.h file. Here, the librar...[Details]

This paper develops a special permeable epoxy resin, which preserves white light LEDs through the provision of epoxy chemical structure. This paper can get very good results after moisture simulation...[Details]

The power driver uses a field effect tube. The field effect tube is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for the drive circuit....[Details]