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On New Year's Day 2021, Tesla announced the price of its China-made Model Y, with a starting price of RMB 339,900, a reduction of RMB 148,100 from the previously announced pre-sale price of RMB 488,0...[Details]
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【Summary】 【Reason for writing】 【Question Structure】 【Analysis 1】Overall Process get_free_pages and mmap 【Analysis 3】CPU and TLB CPU and L1 cache CPU and L2cache 【Summarize】 Note:...[Details]
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1 Introduction
Microwaves use their unique functions to develop new technologies in the application field, including microwave communication, microwave measurement, microwave heating and other...[Details]
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When operating DS18B20, you need to use the direction setting of the IO port. After my own research, I have summarized it as follows for everyone to share. If you have any questions, please correct m...[Details]
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In the previous section we learned: Introduction to network card drivers and making virtual network card drivers: https://blog.csdn.net/xiaodingqq/article/details/81501393 In this section, we wil...[Details]
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0 Introduction
With the improvement of people's living standards, the consumption structure has undergone tremendous changes, and the proportion of consumers' entertainment expenditure in total expe...[Details]
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/*********************************************************** -Function description: boot initialization -Parameter Description: None -Return Description: None **************************************...[Details]
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1. New construction project 1.1 Menu bar "File" - "New Project" 1.2 "Microchip Embedded" - "Standalone Project" - "Next" 1.3 Enter your MCU model directly in the device column. Here we take PIC12...[Details]
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The system structure diagram is shown in Figure 1. Its hardware structure is relatively simple, mainly composed of three parts: single-chip microcomputer P89C51RD, RS-232/TTL interface circuit MAX2...[Details]
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0 Introduction
With the rapid development of electronic technology, radar technology has also made great progress. Radar was developed for military purposes. In today's era of peace and dev...[Details]
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How capacitors work
1. Introduction
2. Basic knowledge of capacitors
3. Unit of capacitance - method
4. Application of capacitors
introduction
Ph...[Details]
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Jiwei.com reported on February 7 that with the coming of the Spring Festival, major apps have launched red envelopes and replaced the red envelope amount with the App icon. Among them, Douyin distrib...[Details]
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Overview Initialize the STM32 USB as a USB slave and use the standard HID protocol. The control board comes with VBUS power supply, so VBUS and GND pins are not required. Just connect 2 data cabl...[Details]
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1. Preparation 1. Prepare documents binutils-2.22.tar.bz2 gcc-4.6.3.tar.bz2 glibc-2.14.1.tar.xz glibc-ports-2.14.1.tar.gz glibc-linuxthreads-2.5.tar.bz2 gdb-7.4.1.tar.bz2 linux-2.6.38.8.tar.bz2 mpfr-...[Details]
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This article mainly introduces the body perception and positioning system. Body perception mainly perceives information such as vehicle position, driving speed, posture and orientation. The followi...[Details]
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