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This article takes BeagleBone Black as the core, attaches ZigBee wireless sensor nodes and GSM/GPRS modules; establishes a web server and SQLite database to receive, parse and store physiological...[Details]
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We know that the current digital oscilloscope can accurately capture various periodic signals and non-periodic signals. The digital oscilloscope has become one of the most important equipment for col...[Details]
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Audio Power Amplifier Considerations in Portable Products
1) Higher PSRR
It must have a high Power supply rejection ratio (PSRR) to avoid interference from power supply and wiring noi...[Details]
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Improving accuracy has been a goal of vector network analyzer ( VNA ) measurements since the earliest days. VNA accuracy can be extended from the instrument port to the end of the test cable through c...[Details]
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#include reg52.h //Use the header file of 52 to redefine the pins added inside #include "intrins.h" //Delay sfr AUXR = 0x8e; sfr P5 = 0xc8; //p5 definition is added sfr P5M0 = 0xc9; sfr P5M1 = 0XC...[Details]
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Weifa Gai Neng Jiao No. 140
Development and Reform Bureaus of all counties, cities and districts, and Economic Development Bureaus of all development zones under the city:
In order to im...[Details]
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1 MicroBlaze Architecture
MicroBlaze uses a powerful 32-bit pipeline structure, including 32 32-bit general registers and an optional 32-bit shifter, with a clock frequency of up to 150 MH...[Details]
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Huawei, Apple, and Xiaomi have begun to make major inroads into the automotive field, not only because the electric vehicle field is the main track in the future, but also because the smartphone fiel...[Details]
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With the development of 3G technology, the system capacity is constantly increasing, and the linearity requirements of the system are getting higher and higher. As the main nonlinear unit of the commu...[Details]
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Why is dual voltage needed?
The biggest problem of new energy vehicles is not the low battery density and high vehicle price. It is the energy replenishment dilemma. The energy replenishment p...[Details]
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In fact, I have been in contact with STM32 for almost half a year, and I have also learned the basic functions of each module of STM32 intermittently. At the beginning, I also read the code w...[Details]
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Some users of industrial computers and system control products have found that they will conduct a test of multiple signals and clock timing. Generally, the number of signals tested is 4 to 7, and up...[Details]
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Since the project requires many serial ports, and the STM32F030 has fewer serial port resources, you need to write your own simulated serial port. The following is the process. First, initialize: ...[Details]
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On April 28, ZTE Corporation disclosed its first quarter report of 2021, achieving operating revenue of 26.242 billion yuan, a year-on-year increase of 22.14%; net profit attributable to ordinary sha...[Details]
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Industrial controllers are core devices in modern industrial automation systems. Their core technologies mainly include the following aspects:
Hardware Technology
The hardware t...[Details]
DSP and ARM Processors
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