I have a board that uses an SD card in SPI mode. I found that if the power is suddenly cut off, the SD card becomes read-only after restarting. What is the common reason?...
: Aiming at the transmission position servo system of packaging printing, a neural network adaptive . By utilizing the self-learning and adaptive characteristics of neurons, the rapid real-time contro...
[align=left][font=微软雅黑][size=4][March 28 live broadcast review and related resources summary][/size][/font][/align][align=left][font=微软雅黑][size=4] [/size][b][size=4]Live broadcast theme:[/size][/b][co...
Light-controlled thyristorAuthor: Unknown Source: Unknown Added Date: 2004-12-29 1138Photo-controlled thyristor, also known as GK type optical switch tube, is a photosensitive device.1. Structure of l...
As shown in the figure, there are two sets of power supplies on the secondary side of the transformer, both of which are 12V. Why is one set of secondary sides adding a resistor to the ground, while t...
[size=4]A DSP fixed-point arithmetic operation[/size] [size=4]1 Number calibration[/size] [size=4]In fixed-point DSP chips, fixed-point numbers are used for numerical operations, and the operands are ...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]