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Mechanical jitter: When a button is pressed, the level does not change immediately, but there will be an unstable state process before entering a stable level state.
Software debounce: If there are m...[Details]
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Serial interface structure of 8051 microcontroller
The 8051 serial interface is a programmable full-duplex serial communication interface. It can be used as an asynchronous communication method (UART...[Details]
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Many microcontroller applications use serial ports to connect to computer serial ports for data transmission or control command sending and receiving. A large part of microcontroller serial ports use...[Details]
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4K is a very popular concept nowadays. Its resolution is four times that of 1080p and was once considered the key to improving TV image effects. In fact, when it comes to improving TV image effec...[Details]
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Recently, the Ministry of Industry and Information Technology issued China's first 5G radio communication equipment access license. Huawei was the first to obtain the first 5G base station equipment ...[Details]
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This article is based on the Linux 2.6.35.11 kernel of the mstar801 platform.
1. What are the methods for Linux to switch from user mode to kernel mode?
There are two general types: active and ...[Details]
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51 single chip temperature alarm DS18B20 system program: #include "AT89X52.h" #include "stdio.h" #define uint unsigned int #define uchar unsigned char //macro definition #define SET P3_1 //Define ...[Details]
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On December 1, the Central Meteorological Observatory issued a blue warning for heavy fog: heavy fog occurred in most parts of the country. Heavy fog is an important factor in the frequent occurren...[Details]
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Ford launched the Ford Edge concept car at this year's Los Angeles Auto Show. It is reported that this car is equipped with new autonomous driving technology, including Ford's recently released fu...[Details]
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Samsung has often faced a barrage of criticism for not using Qualcomm's flagship chips in its flagship smartphones, arguing that contemporary Snapdragon chipsets are superior to Exynos chips. While t...[Details]
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Abstract: Aiming at the blocking effect of TV model and the characteristic of maintaining smoothness in flat areas, a regularized image magnification model of adaptive coupling TV and fourth-order ...[Details]
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ViewSonic announced the launch of the new smart cinema projector X10. The new generation of X10 is a new upgraded version of ViewSonic's 4K smart projector X10-4K. It continues the compact body with ...[Details]
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Power supply measurement of electronic devices usually refers to the measurement of switching power supplies (of course, there are also linear power supplies). There are a lot of materials about swit...[Details]
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1. Logically speaking, the load current of a thing should be the current it supplies to the outside. At this time, that is, when it flows out, it should be positive.
2. The external resistor is usu...[Details]
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With the emergence of LED full-color driver ICs, market competition is quite fierce, but in general, the development trend is that LED full-color driver ICs are gradually changed to single-bus driv...[Details]