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With the rapid development of 3G/4G mobile communication networks and computer technology, mobile Internet has improved people's traditional lifestyles in many ways. 3G/4G mobile networks have outs...[Details]
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With the help of the TSP script and a low-resistance current sense resistor, we can implement an interesting application of measuring power using the ratio function with a digital multimeter such as ...[Details]
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As the most widely used drive devices in transmission systems, frequency converters and servo drives firmly occupy the vast majority of the drive field.
When talking about the difference...[Details]
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There are two reset signals for MSP430:
document:
Power-on clear signal (PUC),
Power-on reset signal (POR).
Personal understanding:
POR is the first power-on reset, PUC is...[Details]
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CATV image quality subjective evaluation table
The subjective evaluation of user-side image quality adopts the five-level damage standard, which should be implemented in accordance with the ...[Details]
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Apple announced today that after weeks of developer testing and public beta, iOS 15.4 and iPadOS 15.4 will be available to all users next week. Early this morning, Apple has pushed the iOS/iP...[Details]
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This article introduces the main features, block diagram and typical application diagram of the low-power star network transceiver AS3900.
The AS3900 from Aaustriamicrosystems is a low-power 2...[Details]
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HD7279--Serial interface 8-bit LED digital tube and 64-key keyboard function control chip HD7279A is an intelligent display driver chip with a serial interface that can drive 8-bit common cathode d...[Details]
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The stack of the 1.51 MCU is of the upward growth type. The stack is opened in the internal RAM. The stack pointer is eight bits. When the system starts, the initialization value is 07 2. Stack ent...[Details]
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As a new light source, LED power supply and drive circuit are different from the electronic ballast of fluorescent lamp. The main function of LED drive circuit is to convert AC voltage into DC volt...[Details]
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Introduction: This article only briefly introduces how beginners can use Proteus 6 Professional to simulate AVR microcontrollers. As for other functions of Proteus 6 Professional, they are not introd...[Details]
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China Energy Storage Network:
Recently, the development of the pneumonia epidemic caused by the novel coronavirus has touched the hearts of all Chinese people. As a key state-owned enterprise...[Details]
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According to Maas's theorem, for fast and lossless charging of batteries, the charging current should be equal to or close to the current that the current battery can accept, so as to ensure the lowes...[Details]
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The so-called A/D converter is an analog/digital converter (Analog to Digital Converter, ADC for short), which converts the input analog signal into a digital signal. Here we use ADC0804 to do this ex...[Details]
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The PT100 temperature sensor is a temperature measurement element widely used in the fields of industrial automation and process control. It has the advantages of high accuracy, good stability, and...[Details]
Analog electronics
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