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With the widespread application of semiconductor materials such as silicon, people have begun to pay attention to more materials in order to make electronic products with higher cost performance and ...[Details]
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On February 12, 2020, Samsung released a new generation of flagship Galaxy S series phones, including S20, S20+, and S20 Ultra. At the same time, it launched the industry's first LPDDR5 memory! A...[Details]
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Introduction : In microprocessor chips, multipliers are the core of digital signal processing and are also the key components of data processing in microprocessors. The period in which the multipl...[Details]
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Supply Voltage Monitor
When the power supply voltage exceeds the set level, the 555 circuit oscillates. The flashing frequency of LED1 is controlled by changing C3. ...[Details]
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GET is usually used to include source files that define constants. For example: GET 2440addr.inc AREA is used to define a segment, ENTRY is used to specify the entry point of the program, and END is ...[Details]
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Previously we talked about outputting data to the microcontroller. Today we will begin to introduce how to input data into the microcontroller, that is, the keyboard.
There are two types of keybo...[Details]
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Pixel Fold is a phone full of Wong Kar-wai style: it is like a bird without feet, it will only land once in its life, and that is when it 'dies'. In the digital circle, there have been endles...[Details]
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A piece of equipment in the workshop broke down. The leader asked the electrician to deal with it. After the electrician arrived at the site to check, he found that the inverter controlling the mot...[Details]
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This design consists of four modules: data display module, temperature acquisition module, time processing module and adjustment setting module. The core of the system uses the STC89C52 single-chip...[Details]
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Handheld electronic products are basically powered by dry batteries as consumables. However, most users will face a lot of old battery selection problems in daily use. Which old batteries can be used...[Details]
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Since the beginning of the 21st century, micro-satellites have gradually become an important development direction in the field of international aerospace technology research due to their high func...[Details]
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With the continuous development of electronic technology, lithium-ion batteries have gradually entered our daily lives. Whether it is smart phones or tablets, lithium-ion batteries can be seen. Gener...[Details]
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//************************************************* // File name: 1602.h // Function: AVR LCD1602 4/8 line driver // Author: seabisuit // Last modified: June 22, 2011 // Description: Use GCC programm...[Details]
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1. Write a subroutine DelayMS to implement the function of delaying x milliseconds, where x is set by the value in register w. ;**************DelayMS************** DelayMS; Delay x milliseconds, x is...[Details]
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introduction
Single-phase motors are widely used in industrial production due to their simple structure, low cost, and easy maintenance. However, the starting and speed regulation pe...[Details]