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1. Kernel boot address 1.1. Glossary ZTEXTADDR The start address of the decompressed code. There is no distinction between physical address and virtual address because the MMU is turned off at this t...[Details]
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On October 16, Beijing time, BlackBerry announced that its QNX software system has been installed in more than 255 million cars worldwide, an increase of 20 million vehicles compared to last year a...[Details]
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1 Introduction
DS18B20 is a one-line digital temperature sensor produced by DALLAS, with a 3-pin TO-92 small package; the temperature measurement range is -55℃~+125℃, and it can be programmed ...[Details]
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When using buttons in a single-chip microcomputer system, if you only need to press the button once to add 1 or subtract 1, then you can use the knowledge learned in Chapter 8 to complete it. However...[Details]
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It is reported that the Shanghai Stock Exchange will conduct an IPO review of Harbin Sizhe Rui Intelligent
Medical
Equipment Co., Ltd. (hereinafter referred to as "Sizhe Rui") on June 1, 20...[Details]
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According to The Paper, the 2019 International Chip Conference (Chips 2019) was held in Beijing recently, and Ni Guangnan, an academician of the Chinese Academy of Engineering, looked forward to the ...[Details]
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introduce
As one of the most promising alternative energy sources, wind power generation is not affected by the financial crisis and economic recession and is expected to continue to grow ...[Details]
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When we are doing product development, we rarely understand these conceptual things. I went to learn more about it later, and today I will share these concepts with friends who have the same problem....[Details]
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This latest Design Idea shows a method for designing a simple high-frequency LC
oscillator
with a small number of passive components
. However, actual hardware design of a stable oscillator req...[Details]
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SensorDynamics, a manufacturer of one-dimensional and multi-dimensional inertial and wireless sensors, is adding a new product to its compact QFN40 package combination sensor series: the new micromec...[Details]
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The magnetic flap level gauge is an instrument that realizes real-time measurement and display of liquid level based on the principle of communicating vessels and magnetic coupling. The magnetism o...[Details]
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The measurement and control system in this paper is an important part of the electronic system of a certain type of unmanned aerial vehicle. In order to verify the improved and optimized design of the...[Details]
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The classic star-delta starting method of the motor is mainly to protect the thermal relay. If the thermal relay is used to protect the large motor, the large wire will have a break point, that is,...[Details]
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Abstract: In order to realize the real-time recording of temperature changes during the refrigerated transportation and distribution of drugs, a software and hardware design method of a low-power c...[Details]
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The U.S. government confirmed on Monday that it would amend its ban on American companies doing business with Huawei to allow it to cooperate in developing next-generation 5G network standards. U.S. ...[Details]
Analog electronics
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