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One of the most important ways to determine the quality of a digital transmission system is to measure its bit error rate (BER). The BER is calculated by comparing the transmitted bit sequence with t...[Details]
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introduction Analog oscilloscopes have been gradually replaced by digital oscilloscopes due to their shortcomings such as inability to efficiently observe experimental results and weak data proce...[Details]
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Sony's Qualia 005 LED backlight module for 40-inch and 46-inch LCDs released in 2004 used 450 3-primary color LEDs, and its power consumption reached over 450W. However, with the improvement of tec...[Details]
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How are voice chips made? Why is it so difficult to make domestic voice chips? To know the answers to these questions, we must start with the working principle of voice chips.
From the a...[Details]
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On January 12, according to media reports, TCL launched the scroll screen at CES2021. It is reported that the screen size of TCL's rollable screen is 6.7 inches, which is suitable for smartpho...[Details]
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Rockwell Automation and Comau collaborate to simplify robotics integration for manufacturers
Win-win cooperation to provide industrial customers with simpler, smarter and more effi...[Details]
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I have an OK6410 board, so I decided to spend some time learning about the classic ARM series ARM11. I also learned about the development process of ARM11 and how to run the system. The development...[Details]
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Application of Smart Antenna Technology
Abstract This paper first introduces the concept of smart antenna and its application value in improving the capabilities of wireless systems (capacity, cove...[Details]
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Introduction
With the continuous development of embedded technology, the ARM microcontroller of 32-bit RISC chip with high performance, low power consumption and low price has shown a strong ...[Details]
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In the field of smartphones, especially in the high-end market, OLED is poised to completely replace LCD and become the new dominant screen panel. Laptops are also increasingly using OLED, and in the...[Details]
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On December 28, the "Zhixinyuan" industrial projects under Shanghai Real Estate Minhong (Group) Co., Ltd. located in the Lingang New Area of Shanghai Free Trade Zone were signed and delivered. The...[Details]
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This application note provides an overview of the R5500's HIF technology and how to use it with the HIF output port. Overview ThinkRF R5500 Real-Time Spectrum Analyzer (RTSA) is equipped with H...[Details]
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Beijing time, October 28, according to foreign media reports, Porsche seems to have set off one climax after another in battery upgrades in recent days. After announcing an upgrade to the battery ...[Details]
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Use stc89c52 microcontroller to control the air pump, with 2 working modes, the port can be modified by yourself
#include reg52.h
sbit a=P1^5; // flashing light
sbit b=P1^4; //air pump
sbit c=P3^7; ...[Details]
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First, the ARM pseudo instructions include:
ARM machine code
Define class directive
Operation directives
ARM machine code:
In fact, any processor ...[Details]
RF/Wirelessly
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