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Last year, Redmi released the K30 series, which reduced the price of 5G mobile phones to less than 2,000 yuan. However, in terms of configuration and appearance, it is not at the level of a flagship ...[Details]
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According to the Internet TV big data released by Hisense, the average daily active users of Hisense Internet TV reached 24.9 million from January 20 to February 18, far exceeding the daily active us...[Details]
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Recently, the electromagnetic compatibility (EMC) laboratory and environmental reliability laboratory of TUV Rheinland Group (hereinafter referred to as "TUV Rheinland"), a leading international thi...[Details]
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Since the second half of 2022, driven by the expansion of production capacity in the power and energy storage markets, the demand for lithium battery modules and PACK equipment has grown rapidly,...[Details]
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According to the Qingfeng STM8 development board, write the key_exti.h header file as follows: #ifndef __KEY_EXTI_H #define __KEY_EXTI_H #include "stm8s.h" #define KEY1_PIN GPIO_PIN_0 #...[Details]
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Recently, my repair center received a German U3606B multimeter DC power supply two-in-one source meter from a customer. The customer described the fault and could not turn on the machine, so I immedi...[Details]
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On June 27, Allegro MicroSystems (Allegro), a supplier of sensing and power semiconductor solutions for motion control and energy-saving systems, announced the launch of its A33110 and A33115 groundb...[Details]
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This article introduces a flyback constant voltage, constant current 75W LED driver with single-stage (single switch) PFC. The circuit is shown in the figure. The AC input voltage range is 208~277...[Details]
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On July 23, the Qualcomm 5G IoT Ecosystem Cooperation Industry Summit was held with the theme of "Gathering Wisdom, Benefiting All Industries, and Creating the Future", bringing a cloud-based ecologi...[Details]
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Users of MPC (Multimedia Computer) often have this feeling: although the powerful processing ability of MPC for sound and image is amazing, the sound produced by the speaker, which is the mouthpie...[Details]
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1. Different displays for static and dynamic In static display, all digital tubes display the same thing, and in dynamic display, you can decide what to display for each digital tube individually; ...[Details]
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As industrial development places higher demands on cost reduction and efficiency improvement, the field of automation control is experiencing an unprecedented rate of evolution. From cloud Internet...[Details]
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With the rapid development and increasing maturity of Internet of Things technology, ultra-low power wireless sensors have become an important component of the Internet of Things. Wireless sensor n...[Details]
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STM32 Cotex-M3 GPIO port introduction and configuration
1. GPIO port introduction
1. GPIO port input and output mode
1.1 Generally speaking, there are 8 configuration modes for the input ...[Details]
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On November 4, the Henan Provincial Development and Reform Commission issued the "Notice on the Implementation of the Fourth Batch of Source-Grid-Load-Storage Integration Projects" and the "Notice ...[Details]
Industrial Control Electronics
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