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STC89C51 and 52 all have 2K bytes of EEPROM inside, and 54, 55 and 58 all have 16K bytes of EEPROM. The STC microcontroller is an EEPROM implemented using IAP technology. The internal Flash can be er...[Details]
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The microcoulomb titrator is based on the microcoulomb principle. Various forms of sulfur (chlorine) in the sample are converted into sulfur dioxide (all converted into HCl) in nitrogen and oxygen at...[Details]
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Gear transmission refers to a device that transmits motion and power through a gear pair. It is the most widely used mechanical transmission method in various modern equipment. It has relatively ac...[Details]
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LED lamps are now a staple in retail stores as plug-in replacements for standard incandescent bulbs. Fitting the protection chips and constant current (CC) drive electronics required for LEDs into ...[Details]
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Kyocera Crystal Devices Co., Ltd., a wholly owned subsidiary of Kyocera Corporation ("Kyocera") and a developer and manufacturer of crystal devices, has successfully developed an industry-first "zero...[Details]
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Recently, the Hainan Provincial Development and Reform Commission issued a letter on the planning and arrangement of the charging infrastructure construction, operation and management tasks in Hain...[Details]
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1 Introduction
LED display is a new type of information display media that has developed rapidly in the world in the late 1980s and is increasingly widely used. The ATMEGA16L microcontroll...[Details]
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In this system, the single-chip microcomputer AT89C51 is responsible for keyboard processing, serial display of various working states, and coordination with ∏GA measurement and control and freque...[Details]
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0. Introduction The μC/OS-Ⅱ kernel is a preemptive priority scheduling system that can manage 63 tasks and supports flags, semaphores, mutually exclusive semaphores, queues and message mailb...[Details]
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/* Name: 8 digital tubes scroll to display a single number
Note: The digital tube scrolls from left to right.
0~7, the program selects only one digital number each time through the cycl...[Details]
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This program does not display normally after powering on, but becomes normal after a while. The buttons do not seem to work. I hope you can understand what is going on.
The frequency is 12mhz, star...[Details]
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Whether judging from the installed capacity data or the new vehicle models declared by enterprises, lithium iron phosphate batteries are invading the battery market at a visible rate. The latest da...[Details]
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The waveform signal generator that can be flexibly controlled has a structure of an oscillator composed of a double D-type flip-flop as shown in Figure 1. The start and stop of the oscillator can b...[Details]
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1 Analysis of the causes of transformer oil leakage Most of China's power transformers are oil-immersed transformers. Over the years, transformer oil leakage has occurred from time to time. Severe l...[Details]
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In recent years, countries around the world have developed smart grids, and smart meters play a key role in this application. They can enable interaction between users and the power system. For ex...[Details]
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