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Abstract: This paper
analyzes the common problems in laboratory calibration of current transformer errors: reverse polarity, wrong ratio, secondary open circuit, abnormal error displa...[Details]
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#include reg52.h #include intrins.h #define uchar unsigned char uchar code dis1 = {" 2262 CODE IS "}; void delay_1s(uchar); typedef unsigned char BYTE; typedef unsigned int WORD; typedef bit BOOL...[Details]
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Abstract: This paper introduces the working principle of Multimedia Message Service (MMS) and studies the remote monitoring system based on ARM11 and MMS. The system uses S3C6410 as the core contro...[Details]
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A single-phase motor is an electric motor that only needs a single-phase power supply to operate. It is a type of motor. According to different working principles and structures, single-phase motor...[Details]
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With the explosive growth of automotive electronic functions, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of a...[Details]
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Today I debugged the DMA part of STM32. It was my first time to use this part. The 8-bit microcontroller did not have this function. I felt it was very mysterious at first, so I studied it with awe. G...[Details]
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This design applies ADI's unique 1-Wire® technology to the TWS headset solution for the first time. It uses the 1-Wire bidirectional bridge DS2488. On the basis of meeting the requirements of energ...[Details]
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Abstract: The three-terminal monolithic switching power supply is a new switching power supply chip that became popular in the world in the 1990s. This article describes its performance character...[Details]
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Introduction Both of them are pseudo instructions: ADR is a pseudo instruction for reading addresses in a small range, and LDR is a pseudo instruction for reading addresses in a large range. The prac...[Details]
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1. Instrument model: R&S (Rohde & Schwarz) FSV40 spectrum analyzer. 2. Testing process: The instrument was turned on for self-test, but the self-test and self-calibration could not pass normally, and...[Details]
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Input AC voltage 220vV 0.5A.
Output voltage: 5V and continuously adjustable voltage: 1.5V~30V/1.5A.
...[Details]
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Regarding the MOS commonly used in LED power supplies, we have selected some commonly used MOS tubes that have been verified and shipped by customer products for you.
It is convenient for every...[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 waiting...[Details]
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Diaphragm pressure gauges are suitable for measuring the pressure or negative pressure of various fluid media with certain corrosiveness, non-solidification or non-crystallization. The corrosion resi...[Details]
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From the application perspective, the basic properties of PTC materials are usually divided into: resistance-temperature characteristics, volt-ampere characteristics, current-time characteris...[Details]
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