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Linux follows allocation, mapping and use for port IO usage
struct resource *request_mem_region(unsigned long start,unsigned long len,char *name);
Returns NULL if the application fails, o...[Details]
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I. Introduction Serial communication is a very common debugging tool interface in embedded development. We mostly use the printout of the serial port to determine the running status of the program. W...[Details]
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The power consumption of mobile devices has always been a problem that has troubled people. Now a small startup company called Wysips has come up with a more complete solution. Simply by covering t...[Details]
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Most of the various types of gas flow meters currently used measure the volume flow of gas. Since the volume of gas changes with temperature and pressure, large measurement errors often occur. If the ...[Details]
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With the continuous improvement of the living standards of urban and rural residents in my country, private cars have entered thousands of households at a rapid pace. However, in the old driver's lice...[Details]
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With the strong support of the national policy of encouraging patent applications, the intellectual property situation of China's LED industry has improved greatly in recent years, which is reflect...[Details]
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What is ADAS? How does ADAS work? ADAS Market Analysis With the development of economy and the improvement of people's living standards, cars have entered thousands of households and become the mea...[Details]
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The insulated gate bipolar transistor IGBT is a device composed of MOSFET and bipolar transistor. Its input is MOSFET and its output is PNP transistor. Therefore, it can be regarded as a Darlingt...[Details]
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Regarding the automotive electronic control system, it is actually not exclusive to new energy electric vehicles. Fuel vehicles also have it, but the electronic control system of new energy electri...[Details]
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Silicon Labs (also known as "Silicon Technology") recently expanded the Si539x jitter attenuator series, and its new device models have a fully integrated reference clock, enhanced system reliability...[Details]
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ams and Osram launch two new infrared LEDs for facial recognition, enabling narrow-border display designs
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SFH4171S and SFH4181S support biometric authentication on laptops;
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As a unique communication method of the power system, power carrier is widely used in the field of remote meter reading. However, due to the poor reliability and unstable communication of power carri...[Details]
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Before conducting this experiment, you need to complete the "16_Infrared Decoding Digital Tube Display" and "19_DC Motor Small Fan" experiments. Then connect the motor wires and motor accordingly. ...[Details]
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On the evening of January 11, according to the 2021 performance forecast released by Hangjin Technology, the company expects its net profit for the year to be 700-900 million yuan, a year-on-year inc...[Details]
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Industrial robot simulation software is a software tool used to simulate the operation process of industrial robots. They can help engineers and technicians test and optimize robots before actual a...[Details]
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