-
Recently, I used STM32F013RCT6 to debug the NRF24L01 module, with a total of three SPI channels, connecting three 2.4G modules. There is no problem with SPI1 and SPI2, and the check can pass. Use...[Details]
-
One experiment that beginners must go through is the coding of the 4*4 matrix keyboard. Most of them are in schools, where there are ready-made experimental boxes, and basically no need to use yo...[Details]
-
With the development of new energy vehicles and power battery industries, pluggable battery charging methods may become the future trend of electric vehicle (EV) battery charging. This small chargi...[Details]
-
The digital tube adopts common cathode digital tube; The connection method of proteus circuit is as follows: The program is as follows: void key_scan() //Key scanning function { unsigned ...[Details]
-
At present, there are still many "power blank areas" in some remote mountainous areas, islands and other places far away from cities in my country where there is no electricity or the power supply ...[Details]
-
With the continuous development of intelligent technology, audio equipment is rapidly developing in the direction of intelligence.
音频调节器作为其中的一部分,发展优化了一系列先进的功能,音频调节器拥有对白增强、声场扩展、环境音效、声像位置调整、动态范围...[Details]
-
1. Test requirements The voltage, current, power and other data tested by power meters and other measuring instruments are generally effective values or average values. Generally speaking, as long ...[Details]
-
ARM microprocessor supports 7 operating modes, as follows: User mode (usr): The normal program execution state of the ARM processor. Fast interrupt mode (fiq): used for high-speed data transmission ...[Details]
-
In recent years, the bottleneck of laser generator
technology
has been overcome in China, the price of laser welding machines and their accessories has dropped si...[Details]
-
As IC manufacturers launch various high-performance microcontrollers, 51 microcontrollers are far from meeting everyone's demand for high-performance microcontrollers. At present, many companies an...[Details]
-
Power adapters are widely used in laptops, game consoles, printers, DSL modems, and mobile phones, and the scale of application is very large. And from the perspective of people's usage habits, the...[Details]
-
With the popularization of the concept of energy conservation and emission reduction, frequency converters are widely used in industrial production, civil equipment and other fields, and even home ap...[Details]
-
The mains power supply monitoring circuit is shown in Figure 1.
In the figure, the different lighting conditions of the neon tube can be used to alert people to three situations: normal powe...[Details]
-
SMIC released its 2019 financial report. In the report, SMIC stated that the first-generation 14nm FinFET technology has entered mass production, contributing about 1% of wafer revenue in Q4 2019, an...[Details]
-
Although all the pure electric vehicles currently available on the market use an electric drive axle layout (the motor transmits power to the differential, which is then divided into left and right h...[Details]