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The video circuit presented in this article combines an audio subcarrier
notch
, group delay equalizer, and amplitude adjustment circuitry to drive an RF video modulator in NTSC applicati...[Details]
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A pure single-chip microcomputer cannot do much, and must be equipped with various peripherals. Therefore, it is essential to understand the data communication between the single-chip microcomputer an...[Details]
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A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke) and transmi...[Details]
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A researcher holds an optically pumped magnetometer. Using these noninvasive devices, they have for the first time recorded activity in the human vagus nerve. Image credit: Qualcomm Institu...[Details]
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Samsung Group recently announced the list of the top 100 supply chains in 2020. A total of 6 Taiwanese manufacturers made the list, the same as last year. Among them, the two panel giants AUO and Inn...[Details]
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In recent years, the bit rate of digital communication standards has been rapidly increasing with the popularity of multi-Gbps transmission. For example, the bit rate of USB 3.0 reaches 5 Gbps. The...[Details]
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introduction:
One day in April 1973, a man stood on the street in New York, took out a wireless phone about the size of two bricks, and made a call, attracting passers-by to stop and look. Th...[Details]
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Voltage comparators began to appear in microcontrollers in the late 1990s. At the time, it was considered a technology that only reduced costs. Because such comparators required less silicon and en...[Details]
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According to foreign media reports, Nikola has launched a record-breaking battery technology, the energy density of which can reach 1100 wh/kg at the material level and 500 wh/kg at the mass product...[Details]
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Matrix switchers and distributors are often used in monitoring and broadcasting system engineering. Their main purpose is to switch and distribute audio and video and their VGA (RGBHV) signals. In ...[Details]
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RS232 serial port communication
- serial port USART0 communication experiment
I. Experimental purpose
Using the serial port debugging software, the data sent by AT91SAM7S64 can be correctly r...[Details]
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On August 10, the Chinese version of the Samsung Galaxy Note 20 series has not yet been released, and this flagship has experienced its first crush. It is reported that the front and back of the Sams...[Details]
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1. Experimental Task As shown in Figure 4.9.1, switch SP1 is connected to the P3.7/RD pin. There are four LEDs connected to the P1 port of the AT89S51 microcontroller. When the power is on, the LED...[Details]
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Mass-produced LiDAR cars are here! Recently, several mass-produced cars with pre-installed LiDAR have been released, which has left many users confused - why do we need to install LiDAR on cars? What...[Details]
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According to a Gartner survey of 451 senior technology leaders in the second quarter of 2024, 57% of chief information officers (CIOs) said they were responsible for leading their company's artif...[Details]