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In August this year, Samsung held the Galaxy Unpacked event online, and the Galaxy Note series was unveiled as scheduled. We have disassembled the Galaxy Note 20 and found that it uses a double-layer...[Details]

    Abstract: The article introduces the design text of a single-phase inverter power supply controlled by AT89C1051 microcontroller. This solution can significantly reduce the output harmonics of t...[Details]

Switching regulators are often preferred over linear regulators because they are more efficient, but switching topologies rely heavily on input filters. This circuit element, combined with the typi...[Details]

      Engadget praised the iPhone 11's affordable $699 price, CNBC said Apple's portrait mode was the best, and HardwareZone said the A13 Bionic chip "beats the competition by a wide margin." 　　Altho...[Details]

DDR memory, also known as double data rate synchronous dynamic random access memory, is commonly used in the design of advanced embedded circuit systems, including computers, transportation, home ente...[Details]

With the development of modern science and technology, high-tech products have brought great convenience to people with their simplicity and portability. The "shake stick" brings people a refreshing ...[Details]

With the modular development of hardware systems, many electronic products have been made into modules and use serial ports for data communication. For example: GPRS module, GPS module, voice module, ...[Details]

     Sina Digital News reported on the morning of November 27 that iFixit, a well-known foreign disassembly website, recently conducted an X-ray detection on Apple's iPhone 11 series smart battery ca...[Details]

This paper introduces the emerging virtual instrument technology and designs a spectrum analysis and data acquisition system based on LabVIEW. Through software writing, the collected signals are filt...[Details]

2. Use a switching constant current source with high voltage direct step-down The voltage obtained by direct rectification of AC is 264V. At this time, a high-voltage Buck circuit with dir...[Details]

Last time when I bought chips, I accidentally found that STC also has 8-pin microcontrollers. In my impression, only ATMEAG has 8 pins. So I bought a few and downloaded the manual today to study it. I...[Details]

In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointers ...[Details]

Usually, in order to reduce external noise interference during measurement, it is better to use a high impedance probe. However, the signal measured by the probe will be attenuated to 1/10 of the ori...[Details]

After the release of the Huawei P40 series, some consumers were confused by the large hole-punch screen design used in the series, so Wang Yonggang, product manager of the Huawei P series, explained ...[Details]

The auto-coupling step-down starter is an electrical device used for motor starting. It reduces the starting current by reducing the voltage when the motor starts, thereby protecting the motor and ...[Details]