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On December 18, the GCL Photovoltaic Energy Storage Industry Integration Project was signed and settled in Kunshan. Suzhou Municipal Party Committee Secretary Liu Xiaotao and GCL Group Chairman Zhu Go...[Details]
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Recently, the well-known mobile phone camera evaluation organization DXOMARK announced the scores of the Honor V30 Pro front camera, with a photo score of 70, a video recording score of 85, and an ov...[Details]
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When the megohmmeter is working, it generates high voltage. Since the object to be measured is electrical equipment , it must be used correctly. Otherwise, it will cause personal or equipment acciden...[Details]
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Introduction to RTC real-time clock: The RTC peripheral of STM32 is actually a timer that continues to run after power failure. From the perspective of the timer, compared with the general timer TIM...[Details]
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9-15V input high voltage power supply
图A中所示的组合Hartley振荡器/升压变压器可以吃屎产生显著的负高压，尤其是当变压器的输出电压被B电路倍增时。 ...[Details]
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In the teaching of DP801 microcontroller, we often have the problem of where to start. The name of DP801 microcontroller is very unfamiliar to children who are in contact with it for the...[Details]
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According to news on April 10, Huawei issued a statement on the evening of April 9, saying that as a shareholder of TD TECH HOLDING LIMITED, our company has responded to the acquisition of TD TECH sh...[Details]
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1 Introduction
People's lives and industrial production often involve the control of liquid level and flow. For example, in the production and processing of beverages, food processing, residen...[Details]
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On January 8, Cheng Yuefan, Chairman of Hunan Desay Battery Co., Ltd., and his delegation made a special trip to deliver a plaque to Zhou Kai, Secretary of the Party Working Committee of Wangcheng Eco...[Details]
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#include
#include delay.h
#define No_key 255
#define K1_11
#define K1_22
#define K1_33
#define K1_4 4
#define K2_15
#define K2_26
#define K2_37
#define K2_4 8
#define K3_19
#define K3_...[Details]
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ADS7864 is a 12-bit 6-channel A/D converter developed by Burr-Brown. This paper introduces the working principle, internal structure, working mode and programming points of ADS7864. An application ex...[Details]
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PLC systems may encounter various types of bugs. The following are some common PLC system bugs and suggestions on how to reduce the occurrence of these bugs:
(1) Logical errors: Logical error...[Details]
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Many power engineers are familiar with it. Light-emitting diodes are devices frequently used in LED circuit design. Here we introduce several of its special uses, which may be very helpful for amateu...[Details]
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How LEDs emit light
In fact, LED is a light emitting diode. The basic structure is an electroluminescent semiconductor module, which is encapsulated in epoxy resin, and the pins serve as pos...[Details]
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There are many types of PLCs, and most brands are divided into European, Japanese, and American brands. German PLCs are mainly Siemens, Japanese PLCs include Mitsubishi, Omron, Panasonic, etc., and...[Details]
PCB Design
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