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0 Introduction
With the improvement of people's living standards, cars have gradually entered ordinary families. With the increasing number of cars year by year, car theft and robbery have bec...[Details]
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A few days ago, there was news that Microsoft is planning to release Surface Duo in more countries and regions around the world. Now new news has confirmed this again, and also said that Micros...[Details]
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/*------------------------------------------------------------------------------------------------------------------- 192*64 LCD driver written by Keil C51. Thanks to many netizens for providing refe...[Details]
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In the 1990s, people believed that the best circuit for an AC/DC converter with 400V input, 100A, and 48V output was a full-bridge or dual-tube forward type. Northern Telecom of Canada once made ...[Details]
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MediaTek announced yesterday (1) the launch of three new 5G chips, with shipments soaring, and the demand for back-end packaging and testing capacity has also surged. The revenue of related wafer tes...[Details]
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Direct digital frequency synthesis (DDS) technology is the third generation frequency synthesis technology that has developed rapidly with the development of digital integrated circuits and microele...[Details]
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MCU system reset (one of the hot boots) The address of the STC MCU ISP/IAP control register in the special function register is E7H, which cannot be addressed. This register is used to manage and set...[Details]
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Early morning on March 16, according to foreign media Macrumors, according to the latest research, dozens of popular iOS applications read the contents of the clipboard without user consent, w...[Details]
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Most circuits are ground referenced, and lower voltage components can monitor the low side of the load, but not the high side. For example, almost any low voltage rail-to-rail input op amp can sense ...[Details]
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As the only international auto show in the world that can be held normally in 2021, the Shanghai Auto Show has indeed brought a revolutionary automotive feast under the theme of "Embrace Change". Wha...[Details]
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To check whether the motor is good or bad, the first step is to use an insulation resistance megohmmeter to check whether the insulation resistance of the motor coil is greater than 0.5 megohms. If i...[Details]
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This keil c51 program is suitable for uPC1621/uPC1622 and compatible infrared remote control chips, occupies external interrupt 0 and timer 1, decodes in interrupt mode, saves system resources, and de...[Details]
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Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
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You need to understand several startup modes of STM32.
B0 is connected to GND, and B1 is connected to GND. That is the normal startup mode, loading code from flash.
B0 is connected ...[Details]
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On October 24, 2024,
Canon Group released its third quarter financial report for 2024. According to the financial report, Canon Group's turnover in the third quarter of 2024 increased by 5.3% y...[Details]
MCU
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