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The main content of this document is to introduce in detail the use of multimeter to detect electronic components Fixed resistors are usually referred to as resistors and are one of the most basic ...[Details]
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The design of CO gas monitor based on TC35 GSM module has the main feature of being able to use SMS for data transmission. The wireless communication module TC35 is introduced in detail, and the app...[Details]
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As an undisputed giant in the technology industry, Apple's products have always attracted much attention. As soon as the iPhone 12 series was launched, there were many leaks about the next generation...[Details]
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The traditional method is to use a video capture card (such as 1394) to capture the video signal and use the corresponding software to transfer it to the PC, which is neither ...[Details]
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I recently made a mistake testing the operation: Test scenario: directly draw power from the mains socket to connect to the 3W non-isolated switching power supply circuit board, and use an oscillosc...[Details]
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Mask breathing resistance detector Product introduction The mask respiratory resistance tester is used to measure the inhalation and exhalation resistance of the mask under specified conditions. It i...[Details]
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On May 17, 2019, a mainstream media delegation visited the largest public shared charging station in Henan Province, "United Fast Charging", to inspect the specific practices of Henan private e...[Details]
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Today I will tell you about the buzzer and relay of this board. 1,——Buzzer First find the picture, the buzzer is called buzz Then I saw that it was N BUZZ port control, and continued to look f...[Details]
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With the continuous development of digital technology and related majors, relay protection technology has also made great progress, such as the application of static relays in power systems. Among the...[Details]
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How to choose an ideal digital TV product has also become a concern for consumers. Evaluating and testing the quality of TV systems and equipment operation has become a hot topic in the radio and...[Details]
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As in other areas of the electronics industry, in the field of design automation, many technologies and methodologies have been widely accepted through standardization. For example, the standardizatio...[Details]
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Permanent Magnet Synchronous Motor (PMSM) is a synchronous motor that uses permanent magnets as the source of the rotor magnetic field. Compared with traditional induction motors, permanent magnet ...[Details]
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Advanced Driver Assistance Systems (ADAS) are systems that assist drivers in driving their cars. They can greatly improve vehicle and road safety and are becoming the fastest growing automotive applic...[Details]
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Switching power supplies are divided into two forms, isolated and non-isolated. Here we mainly talk about the topology of isolated switching power supplies. Isolated power supplies can be divided i...[Details]
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The integrated operational amplifier A and R1 form a short-circuit current amplifier, and B, R2~R6, and W1 form an inverting adder, which amplifies the output voltage V1 of the operational amp...[Details]
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