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Using STM32 as the controller, the board requires four 485 interfaces and one 232 interface. When data arrives from 232, it is forwarded to 485 according to conditions. When data arrives from 485, it ...[Details]
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Multimeter Principle The basic principle of a multimeter is to use a sensitive magnetoelectric DC ammeter (microammeter) as the meter head. When a small current passes through the meter head, the...[Details]
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Near Field Communication (NFC) is a short-range two-way communication technology that allows two devices to communicate and interact within a distance of a few centimeters, with a maximum data tran...[Details]
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System clock optimization can improve system performance, but it can be challenging. It is relatively easy to design an encoding circuit for an analog-to-digital converter with a jitter of 350 femtose...[Details]
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Many electronic designers know the role of filter capacitors in power supplies, but the filter capacitors used at the input of switching power supplies are different from those used in power freque...[Details]
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In recent years, industry insiders who have participated in the reform of the incremental distribution business are aware of the changing attitude of the State Grid towards several batches of pilot...[Details]
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Against the backdrop of the rapid development of the
smart home and
service robot
industries, home appliance giant Haier and humanoid
robot
startup Leju have reached a strategic part...[Details]
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1 Interrupt mechanism in C54x
The interrupt signal is essentially a signal driven by hardware or software, which can cause the DSP to pause the executing program and enter the interrupt se...[Details]
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Windshield wipers are a must-have for cars, whether it is raining or snowing, their role cannot be underestimated. However, traditional windshield wipers often have some unpleasant experiences during...[Details]
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1 General Notes
Before using the inverter, you should read the instruction manual carefully, and then install, connect, set parameters, test run and put it into formal use.
Some precautio...[Details]
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Preface
Crystalline silicon is the core device for photovoltaic power conversion, but because the voltage, current and power of a single cell are limited, the cells must be connected in se...[Details]
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Previously, the working of stepper motors has been introduced using PM stepper motors as an example. This article will introduce the structure and working principle of hybrid stepper motors, which ...[Details]
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During the charging process of lithium-ion batteries , lithium ions will be deintercalated from the positive electrode and intercalated into the negative electrode. However, when some abnormal condit...[Details]
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1. Both bit and sbit are variable types extended by C51.
Bit is similar to int char, except that char = 8 bits and bit = 1 bit. They are all variables, and the compiler assigns addresses duri...[Details]
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At the 12th China Hard Technology Industry Chain Innovation Trend Summit held recently, Qorvo China Senior Sales Director Jiang Xiong shared Qorvo's technological innovation and market opportunitie...[Details]