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PWM generation principle: The general timer can use the GPIO pin for pulse output. When configured as comparison output and PWM output function, the capture/compare register TIMx_CCR is used as the ...[Details]
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This article will introduce an LED that has small size, low cost, high PF and high TRIAC brightness adjustment performance. This design uses a single-stage power factor correction (PFC) inverter conv...[Details]
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S3C2440, the official documents are all in English, most engineers can only read books published in China. Students who are good at English, please don't think you are great and can only read English...[Details]
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In an interview with EO News in Italy, Jan-Hein Broeders, European Healthcare Business Development Manager at Analog Devices, discussed healthcare market trends and how the latest developments in tec...[Details]
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On March 1, the State Council Information Office pointed out at a press conference on the development of industry and information technology that as the space of the Internet economy is expanding rap...[Details]
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Think of this scenario: every time the TV is on but no one is watching it. Given the rising cost of energy, it would be helpful if the TV could turn itself off when it detects that no one is watchi...[Details]
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Front of the multimeter: The upper part is the microammeter, and there is a mechanical zero adjuster in the middle to calibrate the zero position of the needle. The lower part is the operation panel,...[Details]
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Aijian (Hong Kong) Electronics M003 - Designed with microprocessor and DRAM upgrades in mind
Of the three models disassembled this time, the M003 is the closest to the iPad in terms of sha...[Details]
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Quasi-resonant conversion is a mature technology widely used in power supply design for consumer products. The new Green Power series controllers achieve ultra-low standby power consumption as low as...[Details]
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On June 25, the fifth Jiwei Semiconductor Summit was officially opened in Haicang, Xiamen. The theme of this summit was "The Heart and the Core are in the Same Form, and Changes are Like Kunpeng", wh...[Details]
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On December 11, the Shanghai Securities News reported that the State Grid Corporation of China (hereinafter referred to as "SGCC") has issued the "Outline of Key Construction Tasks for the Ubiquito...[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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Recently, the "ISO/IEC 30169:2022 Internet of Things (IoT) - IoT applications for electronic label system (ELS)" developed by BOE (BOE Technology Group Co., Ltd.) was officially released by ISO/IEC J...[Details]
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South Korea’s battery leader is accelerating its advancement on the lithium iron phosphate battery technology route. Recently, it was revealed that LG New Energy’s independent test results showed t...[Details]
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Yes, but it is worth noting that the connection and application of single-phase inverters and single-phase motors need to consider many factors, and the connection between single-phase inverters an...[Details]
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