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Nowadays, "anti-radiation" has become a buzzword and a "selling point" for the added value of goods. Myopia lenses that protect against computer radiation cost at least dozens of yuan more than o...[Details]
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The hardware circuit design of a single-chip microcomputer hardware system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, such a...[Details]
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I recently used the FriendlyArm Micro2440 in a project where the system used Embedded Linux. I encountered a problem: the program ran very slowly.
At first I thought it was a problem with read...[Details]
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On August 14, Fortnite developer Epic Games officially challenged Apple and Google by introducing a new payment option for Fortnite to circumvent Apple and Google's in-app purchase commission rules. ...[Details]
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Function: connect the PC keyboard (P/S2 interface) to the 8-bit microcontroller Principle: The keyboard clock is connected to port p3.2, which is the external interrupt int0 of 8051, and the ke...[Details]
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A Simplified Method for Simulating Single Phase PWM Rectifier by Using Matlab
YE Qi-feng, JIN Xin-min
Abstract:A simulation model for a single phase PWM rectifier using Matlab is introduce...[Details]
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The calculation formula for the small-scale delay of the 1T series microcontroller (us): (4*t + 10) * 1/f void delay(u8 t) { while(--t); } Let's look at another nop related /* 1T series MCU...[Details]
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Preface Google's Protobuf URL: https://developers.google.com/protocol-buffers/?csw=1 According to the domestic situation, it is best to go outside and take a look. Currently, Protobuf mainly support...[Details]
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A new type of visual electronic stethoscope is based on AT89S52 single-chip microcomputer, uses electret sound sensor to realize heart sound data acquisition system, and uses graphic LCD module to ...[Details]
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Introduction With the continuous advancement and deepening of the national rural power grid transformation work, the power network conditions and distribution equipment in rural areas of China have ...[Details]
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SK Hynix announced its second quarter financial report on the 25th. According to Korean media "edaily", after the meeting, Chief Financial Officer (CFO) Cha Chenxi answered questions from investors. ...[Details]
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According to the technology blog 9to5Google, Xiaomi is developing a smartwatch that runs Google's Wear OS operating system. In the Wear OS app version 2.28 launched by Google recently, a companion a...[Details]
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The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
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In the past year of 2017, many parts of my country were “scarce with snow”. Except for the friends in some areas of Northeast and Northwest China who had fun in the snow, the friends in most othe...[Details]
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A soft starter is an electrical device used to start a motor. It can effectively reduce the current impact when the motor starts and reduce the impact on the power grid and the motor. However, in p...[Details]
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