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1. Some issues to consider when designing interrupt functions on the uc/os operating system: 1. The operating system itself must use a timer interrupt source as the system beat interrupt, which is th...[Details]
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PWM type switching power supply has many advantages, such as high efficiency, small size, etc. Therefore, PWM is widely used as a power supply device in many fields. However, the short duration of th...[Details]
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When cutting paper in a printing factory, thick paper is often put into the paper cutter by hand. If the paper cutter switch is pressed by mistake, the cutter switch will automatically cut the paper,...[Details]
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In the design of single-chip microcomputer system, the design of LCM (liquid crystal display module) human-computer interaction interface is often a very important link. LCM can be used to display se...[Details]
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Zoss Research released the "2020 China L2 Autonomous Driving Market Research Report", which sorted out the market status and solutions of L2 autonomous driving systems in the current Chinese passenge...[Details]
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This program is suitable for Infineon--XC866 microcontroller, the carrier is 38KHZ, through P3_0 as the sending port, where: 0 is composed of 0.56m high level and 0.56ms low level, 1 is composed of...[Details]
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In fact, Freescale's BSP porting document has described the u-boot porting steps in great detail, but for future reference, I will record them here according to my own understanding. Get the sourc...[Details]
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This color light controller can control five colored lights to light up row by row, and then turn off row by row. Then, by combining a certain number of colored lights, you can create a colorful sc...[Details]
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Shanghai Tianshu Zhixin Semiconductor Co., Ltd. (Tianshu Zhixin), China's first GPGPU high-end chip and high-performance computing system provider, announced the completion of a RMB 1.2 billion Serie...[Details]
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With the development of computer technology and communication technology, buildings are becoming more and more intelligent. The intelligent meter reading system for residential buildings is indispe...[Details]
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1. Step error
It refers to the difference between the measured step angle and the theoretical step angle when no-load. It reflects the accuracy of the angular displacement of the stepper motor...[Details]
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This article introduces a household inverter, whose output power can reach 150W. The circuit design frequency is around 300HZ, and the inverter transformer is small in size and light in weight. It is...[Details]
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China Energy Storage Network News: -- The third anniversary of Jiangsu Yangzhong being approved as a high-proportion new energy demonstration city
Yangzhong, located in Zhenjiang City, Jia...[Details]
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According to CNET, Facebook will use an AI technology called "self-supervised learning" to more quickly identify hate speech on the platform. Artificial intelligence can be seen everywhere i...[Details]
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In the half-bridge converter shown in the figure, the primary side of the transformer flows current throughout the entire cycle, the magnetic core is fully utilized, and the withstand voltage require...[Details]