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If you want to distinguish the brightness of Chengdu LED display, then how much do you know about the brightness of Chengdu LED display? Light-emitting diode lighting has been recognized as the m...[Details]
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Despite the cold winter in the auto market, CATL, the leading power battery company, still delivered a brilliant financial report. On the evening of April 25, CATL announced its full-year financial...[Details]
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According to the purpose, it can be divided into grid-connected inverter and off-grid inverter.
According to function, it can be divided into high-frequency inverter and industrial frequen...[Details]
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MCU chip model STC89C516 need Knowledge required 1. About digital tube A digital tube is a semiconductor light-emitting device, and its basic unit is a light-emitting diode. It is made up of ...[Details]
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Currently, almost all mainstream oscilloscope channels of common brands are not isolated. Therefore, when performing multi-channel testing, there will be a certain degree of mutual interference betwee...[Details]
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For all mid-range PIC microcontrollers, when the top 4 pins (RB7~RB4) of PORTB are set to input mode, when the input level changes from high to low or from low to high, the microcontroller can genera...[Details]
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The multimeter circulating current method is used to identify the beginning and end of the motor winding. It is achieved by utilizing the principle that the residual magnetism in the motor rotor indu...[Details]
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1. Test circuit:
2. Test conditions:
Heavy and light load changes
※Input Voltage=9V, Output Voltage=12V, Loading Current is increased from 0A to 3A.
※Input Voltage=9...[Details]
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I believe everyone is familiar with Air Pods. The first generation of products was launched in 2016. Its exquisite shape and user-friendly experience are eye-catching. In March this year, its latest ...[Details]
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The flexibility of digital control allows OEMs to design only one controller to drive a variety of end products, improving design flexibility and bringing new intelligence and differentiation to light...[Details]
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Many microcontroller-based systems have both analog and digital signals. Even systems that appear to be completely digital are not completely digital because of analog effects such as ringing and cro...[Details]
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Reading Excel Data Using ActiveX in LabVIEW
There are many examples on the Internet about reading Excel, but I have never found a way to read the data of an entire sheet in a file, so here I will ...[Details]
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The role of the preamplifier
The main functions of the preamplifier are as follows:
First, improve the signal-to-noise ratio of the system.
Second, reduce the impact of externa...[Details]
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Since the 2.4 kernel does not support 2410, it is more complicated to port it, so we directly use the 2.6 version. 1. Preparation Download and decompress the cross-compilation tool. The 2.6 kern...[Details]
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At present, many universities and research institutes have conducted research on switching power supply EMI (Electromagnetic Interference). Some of them start from the mechanism of EMI generation, ...[Details]
Motor Drive Control（Motor Control）
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