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Physical picture
Video
Circuit diagram:
Note: This circuit diagram is wrong. The buzzer must be connected as follows to make it sound:
Program:
#include reg52.h
#include intrins.h
#de...[Details]
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On the morning of July 30, Qualcomm shared its third-quarter earnings today and hinted that Apple's upcoming 5G iPhone may be delayed. Qualcomm said its fourth-quarter earnings expectations m...[Details]
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Digital video surveillance system is centered on computer or embedded system and based on video processing technology. It is in line with the international standard of image data compression. It is...[Details]
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LEDs are becoming more and more popular due to their higher efficiency and longer lifespan. Therefore, power supplies need to be more efficient and have at least the same lifespan as the LEDs....[Details]
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Recently, Liang Quan, spokesperson and head of the marketing department of ARM China, clarified for the first time as an official of ARM China that it was untrue that Arm and Arm China had stopped su...[Details]
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According to foreign media reports, Japan's Toyoda Gosei Co., Ltd. announced a partnership with the U.S. startup Ossia, and both parties will work to apply wireless power technology to areas such as ...[Details]
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The U.S. Department of Commerce announced a revised ban on August 17, adding 38 Huawei subsidiaries to the "Entity List" and prohibiting the sale of all semiconductor devices produced using U.S. tech...[Details]
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Huami Technology has been all over the tech world lately, with new information coming out almost every day. This time, the information is worth millions of yuan. Huami Technology officially announc...[Details]
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Using a combination of hardware and software to reduce the BLDC motor inverter sleep mode power consumption to less than 10mW, and expand the output power to 1 horsepower applications
...[Details]
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Texas Instruments (TI) announced the appointment of Jiang Han as vice president and president of TI China. In this position, he will lead TI's China sales and marketing application team and be respon...[Details]
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The 10th anniversary celebration of Bronze Sword Technology was held grandly at Shenzhen Wuzhou Hotel. Representatives from shareholders, investment institutions, partners, industry associations and ...[Details]
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China Automotive Systems Corporation (NASDAQ: CAAS) ("CAAS" or the "Company"), a leading supplier of automotive power steering systems and components in China, announced that it has become China's la...[Details]
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CPU and memory The 8051 CPU core used in the CC253x chip series is a single-cycle 8051-compatible core. It has three different memory access buses (SFR, DATA and CODE/XDATA), single cycle access ...[Details]
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Editor's note: The European New Car Assessment Organization has announced the results of its first parking collision avoidance system test. It is worth noting that the test was conducted before th...[Details]
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With the rapid development of the software industry, the scale of application software systems continues to increase, enterprises pay more and more attention to software quality, and software compani...[Details]
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