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This column will introduce the basic knowledge of noise suppression, starting with "What is EMI?" and explaining the operation and usage of various noise suppression components. First, let's introd...[Details]

The three-phase leakage switch tester is also called the leakage protector tester or leakage switch detector. It can measure the action time and action current of the leakage switch and is widely use...[Details]

The advantage of DMA is that it does not require CPU intervention when transmitting data, which can greatly improve the CPU's working efficiency. DMA is very important in large-capacity data transm...[Details]

       Today, blogger @数码闲聊站 revealed a new flagship of Xiaomi. 　　It uses a 2K 120Hz dual-curved hole-punch screen. This phone is the high-end version of Xiaomi's new flagship. 　　Considering the hi...[Details]

A research team from the University of Bologna and CINECA (Italy's largest supercomputing center) has been researching and developing RISC-V supercomputers. Recently, the new ISA designed by the team...[Details]

Although there is still a long time to go before the next-generation "iPhone 13" product line is released, Barclays analysts Blayne Curtis, Thomas O'Malley, Tim Long and their colleagues expressed so...[Details]

     The parallel P1 port of the MCS-51 series microcontroller is a quasi-bidirectional port and can only be used as a general I/O port to transmit data. Each bit of it can be defined as an input lin...[Details]

　　Relying on the flexible inter-task communication capability of μC/OS Ⅱ, the message mailbox Mbox is used to transmit the printing data from the data generation task to the printing task. Among diff...[Details]

Recently, Coolpad’s countdown poster for new products revealed a lot of information about the new products. Let’s take a look. Coolpad's new product is the Coolpad 26th Anniversary Collector's Edit...[Details]

Consumer electronics products such as cell phones, PDAs, digital cameras, and portable entertainment systems are becoming smaller, faster, and cheaper, and the time to market for these new products is...[Details]

April 15th is the first National Security Education Day after the promulgation and implementation of the "Cryptography Law of the People's Republic of China". Cryptography technology plays an importa...[Details]

The multimeter is a relatively precise instrument. If it is used improperly, it will not only cause inaccurate measurements but also be easily damaged. However, as long as we master the use methods...[Details]

1. Composition of high-frequency inverter communication power supply system The high-frequency inverter communication power supply system generally includes a double-circuit 10 kV high-voltage...[Details]

Let's summarize the microsecond delay function accuracy of STM8L101F3P6 working at 16MHz using different writing methods such as infinite loop and interrupt. 1. The writing method of the dead loop ...[Details]

From the humming steam engine to the rumbling internal combustion engine; from the manual transmission that cannot be handled by both feet and hands to the automatic transmission that is fast, smooth...[Details]