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USB-PD (Power Delivery) is a power supply standard based on USB Type-C, with a maximum power of 100W. Although USB-PD fast charging is becoming more and more popular, there is no test tool for fast c...[Details]
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1. Cyclic redundancy check calculation unit (CRC)
1.1 Module Introduction
The cyclic redundancy check (CRC) calculation unit obtains the CRC calculation result of any 32-bit full word bas...[Details]
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On October 9, Chahar High-tech Zone held project talks with representatives of Xingchen New Energy Technology Co., Ltd. and its partner companies. The two sides had in-depth exchanges on the all-vanad...[Details]
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As the main equipment for high-voltage power grid detection, current transformers not only provide parameters for electric energy measurement, but also provide the basis for relay protection. With ...[Details]
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ORG 8000H JMP MAIN ORG 800BH JMP INTT0 ORG 8100H MAIN: MOV SP,#60H MOV TMOD,#01H SETB ET0 SETB EA SETB TR0 ...[Details]
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1. First check the "Tiny6410-1170 CPU Core Board Schematic Diagram" and find the LED part:
As can be seen from the above figure, when nLED_1 is at a low level, LEDx will light ...[Details]
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Recently, the China Electricity Council announced the results of the 2019 Electric Power Innovation Award. The project "Resistant Measurement Processing and Online Safety Analysis Technology and Ap...[Details]
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According to IHS, China’s PV inverter market grew by more than 100% last year, with domestic companies topping the rankings.
The market research firm’s 2014 PV Inverter China Market Report sai...[Details]
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0 Introduction
There are many methods for power regulation of induction heating power supply. When further improving the power and the operating frequency of the inverter, it is generally chosen to ...[Details]
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Ultrasonic ranging module parameters
Internal circuit diagram of ultrasonic ranging module
Ultrasonic distance measurement module and 51 single chip microcomputer connectio...[Details]
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On May 10, Li Xiaoyue, a specialist in the Operation and Maintenance Department of Shandong Qingdao Power Supply Company, and his colleagues used handheld terminals to conduct a special inspection ...[Details]
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Press the button to adjust the mode, the corresponding LED will have different reactions, and the data will be saved after shutting down. #include iom128v.h #include macros.h #define uchar...[Details]
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Abstract: This paper mainly introduces a design method of an ECG service system based on an ECG sampling module and a smart phone. First, the basic framework of the system is given, and then the d...[Details]
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The main circuit is the power conversion part that provides voltage and frequency modulation power to the asynchronous motor. The main circuit of the inverter can be roughly divided into two catego...[Details]
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On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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