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As for the functions of 8255 that we usually use, I think it is very simple! !
Why do I say so?
Actually, I just regard 8255 as a 139 decoder (2-4), CS is chip select, A0, A1 respective...[Details]
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Currently in the general LED lighting market, there are non-isolated designs and isolated drivers. Non-isolated designs are limited to double-insulated products, such as light bulb replacements, wher...[Details]
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1. Never mix signal cables and power cables in a multi-core cable! 2. When maintaining oxygen pipeline instruments, do not allow them to stick to oil. Do not mix oil-free transmitters and pressure ga...[Details]
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Regarding the PCB circuit board short circuit inspection method, engineers from Shenzhen Jieduobang Technology Co., Ltd. give the following suggestions: 1. If you are doing manual soldering, you shou...[Details]
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Although high-power LEDs cannot replace traditional lighting fixtures on a large scale, they are increasingly widely used in indoor and outdoor decoration and special lighting. Therefore, masteri...[Details]
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An oscilloscope is a tool used to detect various circuit states and display them in the form of waveforms. It can also be used to check circuit board faults. In many cases, it is more useful than a m...[Details]
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This article mainly talks about the clock configuration of STM32 M0. Let's first look at the clock tree of the M0 core (stm32f072) As can be seen from the figure, the M0 chip has 4 clock sources, a...[Details]
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Choosing development tools In embedded system design, the selection of development tools is an important consideration, which is usually related to the needs and application background of the developm...[Details]
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On March 7, Shandong Minsheng Group and Jiangsu Beiren Company held a grand ceremony for the grid connection and commissioning of the "Liandong U Valley 1.5MW/3MWh Industrial and Commercial Ene...[Details]
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When it comes to future interactions, the most popular example is Iron Man. He basically does not need to type when conducting various scientific experiments. He uses voice to control Jarvis a...[Details]
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Xiaomi will release the new Redmi Note 9 series in India on March 12, and recently there have been reports that the Redmi Note 9 series will also include a Redmi Note 9 Pro Max. According to wel...[Details]
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The ring initial adhesion tester LT-3000 is suitable for testing the initial adhesion value of adhesives such as self-adhesives, labels, tapes, and protective films. Different from the steel ball ini...[Details]
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Intel's Song Jiqiang: Moore's Law is a banner, and heterogeneous integration is an important way to promote its development Caption: Song Jiqiang, Director of Intel China Research Institute On ...[Details]
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/*Include header file: This header file is located in D:\Program Files\Microchip\mplabc18\v3.40\h. Below are the header file definitions for different types of microcontrollers. When using, just incl...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]