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We know that OD (object dictionary) is the core of CANopen. All functions are carried out around it. It is the data center of the protocol stack. Good OD implementation is the basis for the efficient...[Details]
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5G innovations for global consumers and industry services become a reality The GSMA recently welcomed the international spectrum treaty adopted at the 2019 World Radiocommunication Conference (WRC-...[Details]
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1 Introduction To realize the display of liquid crystal display, the following four units are required: controller, power management unit (PMU), driver circuit, liquid crystal display device (LCD). ...[Details]
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Setting off fireworks and firecrackers during the Spring Festival is a traditional custom of the Chinese people. The electronic firecrackers introduced here are very interesting: when you press the...[Details]
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If we must give "2019" a title of the first year, it should be the first year of commercialization of autonomous driving . The reason is simple: the sales volume of the automobile market has declined...[Details]
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1. Introduction
With the development of informatization, intelligence and networking, embedded system technology will also have a broad space for development. Embedded technology has been fully...[Details]
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According to Jiwei.com, the U.S. government is negotiating with Intel and TSMC about building factories in the U.S. TSMC said that it is continuously evaluating the establishment of factories oversea...[Details]
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Introduction
Digital antenna array is the product of the combination of antenna and digital signal processing technology. It has many advantages such as flexible working mode, excellent anti-in...[Details]
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As subsidies gradually decline and will be completely withdrawn by the end of 2022, the development of China's new energy vehicle industry is changing from "policy-driven" to "market-driven". However...[Details]
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A conversation with Mike Pienovi, general manager of TI Sitara™︎ MCU: Products that make real-time processing simple and affordable As the demand for real-time control, intelligence and communicati...[Details]
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Motorola officially released the new RAZR foldable phone a while ago, and the ones previously displayed were generally official prototypes. Today, Jing Ge, general manager of Lenovo China's mo...[Details]
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The memory function of TV channels, the setting of traffic light countdown time, and the memory function of outdoor LED advertisements may all use storage devices such as EEPROM. The advantage of thi...[Details]
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Leakage current tester, leakage current refers to the current formed between mutually insulated metal parts in electrical equipment, or between live parts and grounded parts, through the surrounding ...[Details]
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Based on the experience of several senior electrical engineers working in the field of PLC, I have listed a series of PLC interview questions and answers. Whether you are a fresher or experienced, ...[Details]
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12V cut-off switching power supply circuit
Figure 12V cut-off switching power supply circuit
The circuit of the 12V current-cutoff switching power supply is shown in Figure 4. This circuit ...[Details]
Microcontroller MCU
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