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Remarks: Focus on IoT application development and share IoT technology experience. Software platform: IAR6.5 TCP/IP protocol stack: LWIP1.4.1 Hardware platform: STM32F103C8T6 wired communication ...[Details]
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This year's Huawei P series flagship P50 was released almost half a year later than in previous years, which also means that the Mate will definitely be delayed. It was revealed that it will def...[Details]
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What problems will occur if the inverter brake resistor is broken?
If the inverter braking resistor is broken, the following problems may occur:
The motor braking time becomes longer: The...[Details]
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Oscilloscopes can visualize electrical signals and are known as the "eyes of electronic engineers". They help engineers measure, capture and analyze electrical signals, which is crucial for circuit d...[Details]
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1. Input rectifier and filter unit
The input voltage of the power supply in this design is 50Hz AC voltage 85~265Vac, which needs to be rectified into DC before conversion. The simplest me...[Details]
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At present, most of the home alarm systems on the market realize the alarm function through telephone lines. When the telephone lines are maliciously cut, the system will lose the alarm function. I...[Details]
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Capacitive
Sensors
The success of scroll wheels in products such as the iPod is prompting other MP3 manufacturers to consider using capacitive sensors to improve the user interface of the...[Details]
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1. Overview of Assembly Language
1. Why use assembly?
Generally we don't use assembly, but there are two cases where we need to use assembly.
1. Startup code. It is used when writing bootloader a...[Details]
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1 Introduction With the continuous development of science and technology, people have higher and higher requirements for the performance indicators of data acquisition, and traditional data acquisit...[Details]
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introduction
RFID
is a non-contact automatic identification technology that uses radio frequency communication. It consists of two main parts: an electronic tag and a reader. The coded tag an...[Details]
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For a long time, the PC version of WeChat has been complained by users because it has never had the function of adding friends. For office workers, if they want to add friends, they have to pic...[Details]
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#Host install gettext libglib2.0-dev sudo apt-get install gettext libglib2.0-dev export PREFIX=/gtkdfb& #install glib2.16 echo ac_cv_type_long_long=yes arm-none-linux-gnueabi.cache& echo glib_cv_st...[Details]
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Since the Uboot transplantation methods are roughly the same, I mainly referred to this blogger's blog to transplant, which is very representative and can indeed complete some basic functions.
...[Details]
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SEMICON China 2020 was held at the Shanghai New International Expo Center from June 27 to 29. Yongsi Electronics, which is dedicated to mid-to-high-end semiconductor packaging and testing, appeared a...[Details]
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Design concept of TpBD-2F film: Elucidation of the synthesis process and the role of fluorinated nanochannels in guiding the fast, uniform, and reversible Zn2+ plating/stripping process. Im...[Details]
ST - Low Power RF
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