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Earlier today, Apple launched the iOS 15.2.1 and iPadOS 15.2.1 systems, which mainly address vulnerabilities in the iPhone and iPad. The official also called on users to upgrade quickly. Acc...[Details]
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On November 20, Continental will showcase a new display product, the Invisible Biometrics Sensing Display, at CES 2025. It uses a camera and laser projector installed behind the dashboard display t...[Details]
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1. Components and interfaces provided by TinyOS CC2430 is widely used in wireless sensor networks. Its on-chip ADC can convert the analog signals collected by the sensor into digital signals for corr...[Details]
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With the improvement of living standards, people's demand for home has changed from area demand to comfort demand. Floor heating uses radiation heating, which is in line with the physiological demand ...[Details]
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We know that bandwidth limitation will have the following effects on signal capture: 1. Slowing down the rising edge of the measured signal. 2. Reducing the frequency component of the signal. 3. Disto...[Details]
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The circuit diagram of the buzzer on the schematic diagram of the development board is as follows. According to the video, we know that it is a passive buzzer. You can see that one end of the buzze...[Details]
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Heart sound signal is one of the most important physiological signals of the human body. It contains a lot of pathological information about the functional status of various parts of the heart, such a...[Details]
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In this article, we test the function of Timer 2 of 51 MCU. It contains two experiments, one is the test of Timer 2 up counting function, and the other is the test of Timer 2 down counting function. ...[Details]
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On the morning of May 28, it was reported that vivo will launch its flagship mobile phone X50 series on June 1. Recently, the appearance parameters of this mobile phone have been exposed. Today,...[Details]
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Currently, IoT applications such as smart cities, smart manufacturing, smart logistics, smart homes, and smart transportation have been implemented and developed vigorously. If "Internet +" has ope...[Details]
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After reading the S3C2440 bare metal for the first time, I have forgotten some of them, so I will select a few to review, starting with GPIO. 1 Schematic First, we need to look at the schematic dia...[Details]
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The following methods can be used to calibrate the DC resistance in a digital multimeter: 1) Standard resistor method; 2) Resistance calibrator method. Selection of calibration points: Generally, 5 t...[Details]
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This paper introduces the working principle of the lidar gate control system based on AT89S52, and focuses on the implementation method of system hardware and software. The system uses the AT89S52 mi...[Details]
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Coprocessor: A chip that offloads specific processing tasks from a system's microprocessor.
ARM microprocessors can support up to 16 coprocessors for various coprocessing operations.
During program...[Details]
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There are two types of reed switch relays: one is a reed switch relay with an energized coil, and the other is a reed switch relay with an external permanent magnet. Their detection methods are as fo...[Details]
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