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1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
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At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
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In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
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IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
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0 Introduction
The sense of smell is closely related to human life. In daily life, many industries including tobacco, food, cosmetics, etc. still need human sense of smell to identify and judge samp...[Details]
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Beijing time, June 29 early morning news, JPMorgan Chase analyst Mark Moskowitz (Mark Moskowitz) released a report on Thursday, saying that Apple's iPhone 5 will take the lead in the smartphone market...[Details]
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For most single-chip microcomputer systems, due to the high speed of single-chip microcomputers, single-chip microcomputers have a lot of idle waiting time during operation. In some cases, the wait...[Details]
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Abstract: Switching power supply has a prominent electromagnetic interference problem due to its own working characteristics. Starting from the model of electromagnetic interference of switching po...[Details]
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1. Company Profile
Dedicated to RFID applications, intelligent vehicle management systems, and intelligent public transport priority control, the company provides personalized professional sol...[Details]
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Introduction to three methods of simulating serial ports using single-chip microcomputers
The analog serial port uses the two input and output pins of 51, such as P1.0 and P1.1, to set...[Details]
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1 Introduction
Since NI proposed the VI concept in 1986, after more than a decade of development, not only has the connotation of VI technology itself been continuously enriched and its ...[Details]
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The whole system hardware consists of DSP, BRF6100, audio AD/DA, LCD, keyboard and FLASH. Its hardware connection is shown in Figure 1.
Figure 1 System hardware structure block diagram
A...[Details]
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introduction
In daily test and measurement, data acquisition cards are often used to collect data. However, many data acquisition cards often complete data transmission through the PCI bus, which ...[Details]
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1. Introduction
CAN bus is a serial communication network designed by BOSCH of Germany for data communication between real automobile measurement and execution components. With the popularization o...[Details]
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In large-scale electrochemical or electrometallurgical DC power supply systems, the same-phase anti-parallel 12-pulse rectifier unit is the basic component unit of the 24-phase, 36-phase, and 48-ph...[Details]