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There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority". Each interrupt source needs to...[Details]
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A steady current source is a constant current source whose output current does not change with the load and voltage. Its function is to stabilize the current on the load. The editor of Learning Netwo...[Details]
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With the development of optoelectronic information, microelectronics, network communication, digital video, multimedia technology and sensor technology, security monitoring technology has evolved...[Details]
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1. Introduction In recent years, with the development of communication systems, people have higher and higher requirements for signal sources. Direct Digital Frequency Synthesis (DDS or DDFS) has be...[Details]
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According to Gartner's forecast, by 2020, the number of IoT devices worldwide will exceed 20 billion. At the same time, the devices themselves are becoming more and more intelligent. The implementati...[Details]
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In recent years, the development of the Internet of Things has brought new vitality to the industrial and medical fields. As a result, the innovation of the Industrial Internet of Things (IIoT) and t...[Details]
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Introduction: Huawei competition, customer allocation reduction, technology shift and US sanctions can be called four sharp knives that will change the entire lidar industry. On March 12, Hesai Tec...[Details]
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The digital multimeter can be used to measure DC and AC voltage, DC and AC current, resistance, capacitance, inductance, frequency, battery, diode, transistor hFE and continuity test, and has an autom...[Details]
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arm-linux-gcc -wall -O2 -c -o $@ $ Example: arm-linux-ld –Ttext 0x0000000 –g led.o –o led_elf
Use the connection script to set the address: Arm-linux-ld –Ttimer.lds –o timer_elf $^where timer.lds i...[Details]
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With the rapid development of electronic technology, modern electronic equipment has been widely used in various fields of human life. At present, electronic equipment has been in a period of rapid d...[Details]
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Under the influence of the C-Roads project, countries have been deploying road infrastructure for ITS-G5 technology in 2017. Proponents of highly automated vehicles should never ignore the value that...[Details]
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In September this year, Samsung launched the ISOCELL HP1, the first mobile image sensor supporting 200 million pixels (200Mp), based on Samsung's 0.64μm technology. Last night, digital blogg...[Details]
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On February 27, the urban distribution autonomous driving company Jiushi (Suzhou) Intelligent Technology Co., Ltd. (hereinafter referred to as "Jiushi Intelligent") announced the completion of near...[Details]
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On November 3, ZTE officially launched the new 5G phone ZTE Blade 20 5G priced at 1,000 yuan this year. It is equipped with Dimensity 720, 6GB+128GB and priced at 1,499 yuan. It has been sold simulta...[Details]
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Up to now, more than 180 models have been tested based on the CC-1000T intelligent cockpit evaluation system of Cheyun Research, of which more than 79% have the ability to upgrade via OTA, and more...[Details]