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To avoid mistakes, always choose the matrix keyboard mode. The competition development board cannot use the key-triggered external interrupt method to detect key presses. PS: After using the IAP1...[Details]
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When charging lithium batteries in series , each battery should be charged evenly, otherwise the performance and life of the entire battery group will be affected during use. Common balanced chargin...[Details]
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2.2 Burst control mode
Under light load conditions, this multi-mode switching power supply controller can also control the converter to work in Burst mode. In this mode, the power switch works fo...[Details]
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The star companies among the companies accepted by the Science and Technology Innovation Board are going to the meeting! Yesterday evening, Montage Technology, known as "China's most powerful integra...[Details]
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For RF engineers, a basic and indispensable measurement tool is used at every stage of their product life cycle: spectrum analyzer or signal analyzer. Key indicators of the instrument, such as perfor...[Details]
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Based on s5pv2410, cortex a8's four buttons each button lights up the corresponding light Programming in assembly language is not difficult. The key is to understand the data sheet, circuit diagram, ...[Details]
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With the gradual development of LED lighting, LED lighting has gradually replaced some traditional light source products in public places such as auxiliary lighting for lighting projects. In commer...[Details]
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introduction With the intensification of the aging process in my country, there is a "vulnerable group of people who are bedridden for a long time" in today's society because they have lost the abili...[Details]
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What does optocoupler mean?
A photocoupler is a semiconductor device that converts an electronic signal into an optical signal and then back to an electronic signal. When current moves to the ...[Details]
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The waveform of the diode D current iD of the DCM flyback PFC converter is a triangle. In one switching cycle, the average output current io is
To further calculate Du2, it is known that...[Details]
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/* Name: STM32_External interrupt button control to light up the LED Note: For STM32, there are many types of interrupts. (In addition to external interrupts, there are also internal exceptions.) E...[Details]
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On September 1, the 12-inch integrated circuit advanced process technology and equipment R&D and manufacturing project of GMC Semiconductor Technology (Wuxi) Co., Ltd. (hereinafter referred to as "GM...[Details]
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introduction With the progress of society and the development of industrial and agricultural production technology, many products have increasingly stringent requirements on the production and use ...[Details]
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On July 31, Luxshare Precision stated in an interaction with investors that the company's production capacity is flexible and adjustable, and the impact of the overseas epidemic on the company is lim...[Details]
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Negative feedback amplifiers have been widely used due to their excellent performance. However, students often find it difficult to judge the positive and negative properties of feedback, especially ...[Details]