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Working principle of 51 single chip microcomputer parallel I/O port In the 51 MCU external pins and bus interface chapter, we have introduced 4 groups of 8 general registers. P1: Only used as a bid...[Details]
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1 Introduction
GPS attracts many users around the world with its high precision, all-weather, global coverage, convenience, flexibility, high quality and low price. The widespread application of...[Details]
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Goal: Light up a lamp using a dot matrix 1. Introduction to 8x8LED dot matrix LED dot matrix is a display device composed of light-emitting diodes. It can be seen everywhere in the electrical app...[Details]
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On April 10, Zhongjing Electronics released its 2019 annual report. The company's revenue was 2.099 billion yuan, a year-on-year increase of 19.16%; the net profit attributable to shareholders of the...[Details]
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The structure and motion process of a four-axis linkage simple manipulator
The structure of the manipulator is shown in Figure 1 below, which consists of a pneumatic manipulator (1), an XY axis sc...[Details]
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On December 12, Japan's Yomiuri Shimbun quoted several government officials as saying that the Japanese government will set up a Cabinet Office department to focus on issues related to supply chain s...[Details]
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1 Experimental Phenomenon
2 Experimental Principle
The working process of ADC0809: First input the 3-bit address and make ALE=1, and input the address into the address lat...[Details]
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Conventional Eye Diagram Measurements
Eye diagram test is an important item in the physical layer test of high-speed serial signals. The eye diagram is a graph formed by the superposition of waveform...[Details]
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EMI / Anti-interference Design
EMI 是当今许多设计人员所面临的一项重大挑战。如果不能顺利通过 EMI 测试，则将导致项目成本显著增加和进度迟缓，因此高水平的工程师会在设计的早期寻求减低 EMI 的方法。因为开关稳压器具有高能量效率，所以越来越多人采用，对EMI 的影响也在加重。一种能有助于抑制与开关电源相关之 EMI 的简单方式是采用一个多...[Details]
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Step 1: Cut out the LCD driver that comes with the board
Cut out an LCD. Different from the previous drivers like LED and buzzer, you can directly comment it in make menuconfig and compile to ...[Details]
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With the development of measuring instruments, various types of level gauges have emerged, including glass plate level gauges made by the principle of communicating vessels, magnetic flap level gauges...[Details]
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Tesla's Full Self-Driving (FSD) is the top product in its intelligent driving technology, which aims to gradually achieve comprehensive autonomous driving capabilities. This technology stack is...[Details]
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; Data block copy
;
AREA cpData, DATA, READWRITE
align 4 ; Four-byte alignment
buf1 space 12345
align 4 ; Four-byte alignment
buf2 space 12345
AREA cpCode, CODE, READON...[Details]
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Microsoft's dual-screen Surface Duo is launching in the US tomorrow, and the company's first Android device has been years in the making. In a lengthy interview with The Verge, Surface invent...[Details]
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12864 is a serial connection. AD0~AD4 is connected to 5V power supply. AD5~AD7 is connected to GND. STC15W408AS comes with 8 channels of 10-bit AD . The program only uses the upper eight bits. The...[Details]
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