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The problem is solved. PC13-PC15 can be used as GPIO and can be used as output. The manual says that only one can be used as output because the total output current of the three pins cannot exceed 4m...[Details]
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LED full-color display screens have been widely used in various fields, such as shopping malls, airports and railway stations. The market penetration rate is also increasing year by year. Pixel is ...[Details]
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Capacitor step-down DC regulated auxiliary power supply
A novel capacitor step-down DC voltage regulator circuit, which does not contain a transformer and is composed of only a few simple electroni...[Details]
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I bought an ESP8266 module on Taobao some time ago, which is used to communicate with the 51 microcontroller. Now I will share the general process, hoping to help those who want to learn. Three parts...[Details]
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Introduction
With the development of petroleum, chemical and energy industries, the circulation and storage of flammable and explosive dangerous goods used as raw materials, energy and consumer...[Details]
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PIC18F series d: Destination register selection bit 0 means the result is saved to the W register, 1 means it is saved to the file register f. a: Fast access RAM bit 0 means the RAM location in the f...[Details]
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According to data released by South Korean market research institution SNE Research, in the first quarter of 2023, the global installed capacity of electric vehicle (EV, PHEV and HEV) batteries was 1...[Details]
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The microcontroller source program is as follows: #include reg51.h #include string.h #define uchar unsigned char #define uint unsigned int sbit RS=P3^0; sbit RW=P3^1; sbit EN=P3^3; sbit...[Details]
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This paper mainly introduces an Ethernet interface circuit design scheme based on Samsung ARM9 chip S3C2440 embedded system, and successfully realizes the network data exchange of embedded system...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It controls mechanical equipment through programming to achieve automated produ...[Details]
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1 Introduction In order to ensure the stable and reliable operation of communication equipment, the role of power supply in modern communication systems is becoming more and more important. To this e...[Details]
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【Abstract】 Combining the experience of developing Chinese character LED display screen and teaching single-chip computer courses, this paper introduces a method of using the parallel expansion port of...[Details]
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Product features of gas turbine flowmeter
1. High accuracy, generally up to ±1%R, ±0.5%R, high-precision type up to ±0.2%R;
2. Wide range, medium and large diameter up to 1:20, small diameter ...[Details]
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On March 14, technology media GSMArena published an article pointing out that the two flagships, realme GT2 and GT2 Pro, were launched and sold globally. Most consumers' attention was focused on the ...[Details]
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According to foreign media reports, the U.S. Department of Energy's Argonne National Laboratory has developed a new design that can significantly improve the performance of lithium-ion batteries an...[Details]
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