L17H1651121

The keyboard is a switch matrix composed of several keys. It is the most commonly used input device for microcomputers. Users can input instructions, addresses and data into the computer through the k...[Details]

      Thanks to IT Home netizen @数码少年V for his enthusiastic clue submission. Earlier this month, Nanjing Citizen Card released a demonstration video about the Jinlingtong geo-fencing function, in whi...[Details]

The realme V13 5G mid-range phone has been officially released. Following the realme V11 5G that debuted earlier this year, the V13 5G is the brand's second phone equipped with the Dimensity 700 chip...[Details]

　　I. Introduction 　　Chenxi Dabotan Hydropower Station is located in Chenxi County, Hunan Province, in the middle stream of the main stream of Yuanshui River. It is the eighth cascade power station of...[Details]

89C51 8 represents 8-bit microcontroller 9 represents falsh memory, 0 represents no ROM, and 7 represents eprom memory c represents CMOS technology, and S represents ISP programming mode 1 repr...[Details]

Recently, Qichacha Data Research Institute launched the "Qichacha 2021 Corporate Development Semi-annual Report". The report shows that thanks to the generous investment of national funds and strong ...[Details]

Major semiconductor manufacturers looking to expand in Arizona may be left without water, at least for now, by the Southwest’s unprecedented water shortage. In fact, Intel and TSMC are both planning ...[Details]

14-bit analog-to-digital converter (ADC) oscilloscopes have more than four times the signal resolution and less than half the noise floor of other general-purpose oscilloscopes Th...[Details]

Try out new and cool products for free at the first time, and there are also many high-quality experts sharing their unique life experiences. Come to Sina Public Test to experience the most cutting-e...[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]

After scientific and rigorous testing, it was preliminarily determined that the 407-408 wells in the fourth mining area of ​​the company's wholly-owned subsidiary Hunan Xiangheng Salt Chemical Co.,...[Details]

     Sina Digital News reported on the evening of February 25 that the smartphone brand Redmi held an online press conference to officially launch the Redmi K40 series of mobile phones, RedmiBook Pro...[Details]

In the same priority level of AVR microcontroller, the lower the interrupt vector entry address, the higher its priority level. After responding to an interrupt, the AVR microcontroller will prohibit...[Details]

　　Short Circuit 　　Short circuit means that a circuit or part of a circuit is short-circuited. If the load and the power supply are connected together by wires, it is called a short circuit. When the ...[Details]

On November 14, in the live broadcast this afternoon, Lei Jun emphasized that the intelligent chassis pre-research technology released in the morning is not PPT technology. He said: "The...[Details]