The value of $(obj) variable in uboot top-level makefile is different from that in sub-directory makefile, why is this? ? Personally, I think they should be the same (because in top-level makefile, va...
The STM32F3xx series is a highly integrated and easy-to-develop 32-bit MCU that integrates a 32-bit ARM Cortex-M4 core with DSP and FPU instructions and an operating frequency of 72MHz, advanced analo...
[i=s]This post was last edited by RF-刘海石 on 2024-3-25 20:19[/i]It is my dream to build my own RF studio. I envy those who have a set of instruments that they can play with at any time. So I must build...
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
In the exhibition halls of the 2025 World
Robot
Conference (WRC), robots of all shapes and sizes competed for attention. As the hustle and bustle of this industry event gradually subsided, ...[Details]
Electric vehicles are structurally composed of three main components: batteries, motors, and electronic controls. Power is transmitted from the battery to the motor, which in turn drives the vehicl...[Details]
Modern automotive electronics have entered a new phase of fundamental change and advancement, evolving from the application of electronic components to in-vehicle electronic systems. Sensors are on...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]
1. When the variable frequency motor stops, the heat source is gone, and the radiation and heat conduction functions of the heat dissipation components themselves are sufficient to ensure that the ...[Details]
The Indian government recently approved four new semiconductor manufacturing projects under the Indian Semiconductor Mission (ISM). These projects are located in the states of Odisha, Punjab, and A...[Details]
introduction
An electromagnetic relay is an electronic control device that has a control system (i.e., input circuit) and a controlled system (i.e., output circuit). When the input quantity (e...[Details]