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A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
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introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
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Communication protocol: The first byte, MSB is 1, which is the first byte mark, the second byte, MSB is 0, which is the non-first byte mark, and so on... The last byte is the XOR checksum of the la...[Details]
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1. Experimental tasks
A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values between 0 and 5V and display four digits, but ...[Details]
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1. Introduction
With the widespread application of automotive electronic ignition technology, the requirements for various components of the electronic ignition system have also increased. As an imp...[Details]
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introduction
In the past, people usually measured pulse by using a stethoscope or electrodes attached to the human body. These methods are undoubtedly inconvenient for outdoor use. This heart ...[Details]
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Commonly used thermometers can be divided into the following types according to their materials and uses: glass mercury thermometers, which are accurate and inexpensive, but must be in direct conta...[Details]
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The power grid is a popular physical network with a user base that is unmatched by any other network, and the main purpose of the power grid is to transmit electric energy. How to utilize the poten...[Details]
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1. Introduction
Resistance furnaces are widely used in chemical, metallurgical and other industries, so temperature control is of great significance in industrial production and scientific res...[Details]
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1 Introduction
The daily routines of government agencies and schools require timing and signal reminders. The author uses AT89C51 single-chip microcomputer and LM386 audio power amplifier ...[Details]
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1 Overview
SST89C54/58 (abbreviated as 89C54/58) is a multi-purpose 51 series microcontroller launched by SST Corporation of the United States. It integrates 20 kB/36 kB SuperFlash E''PRO...[Details]
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Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
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BootLoader is usually called "system boot loader" and is the first program code executed after the system is powered on or reset . The main task of this program is to initialize the hardware device...[Details]
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In the process of single-chip microcomputer development, from hardware design to software design, almost all the work is done by the developer himself according to the characteristics of the system. A...[Details]
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The functions of the minimum system of this single-chip microcomputer are as follows:
(1) It has a 2-digit LED digital tube display function.
(2) It has eight-way light-emitting di...[Details]
DIY/Open Source Hardware
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