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The MCS-51 single-chip microcomputer instruction system includes 111 instructions, which can be divided into the following five categories according to their functions.
Data transfer instructions (...[Details]
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In two-wire LIN applications, the power saving mode is used together with the silent mode of the LIN transceiver to save the most current. In this mode, all generated clocks are turned off, allowing ...[Details]
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Even though the rapid development of new energy and smart cars has led to the gradual elimination of systems powered by internal combustion engines, and many powertrain system sensors around internal...[Details]
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Based on the output voltage and current phase, inverters are classified into two major categories: single-phase inverters and three-phase inverters. These categories are briefly discussed here.
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My roommate always forgets to bring his keys, so I made a simple fingerprint lock. Six people in the dormitory use it. This is the first time I upload it. It's quite crude. I wrote a very detailed co...[Details]
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In an internal memo obtained by MacRumors, Apple recently notified its network of Apple Authorized Service Providers that Mac laptops with anti-reflective coating issues in the United States will now...[Details]
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Abstract: Based on the optical principle of measuring the vertex power (d) of eyeglass lenses by a focal meter, this paper analyzes the source of measurement error and gives a correction method. Sinc...[Details]
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Working principle of carbon sulfur analyzer: after the carrier gas (oxygen) is purified, it is introduced into the combustion furnace (resistance furnace or high frequency furnace). The non-ferrous me...[Details]
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In embedded control systems, it is often necessary to collect data and process real-time physical quantities on site, and the system is required to have good human-computer interaction functions. A...[Details]
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International Energy Network/PV Headlines (PV-2005) learned that on May 7, the State Power Investment Corporation announced the winning candidates for the 17th batch of centralized bidding in 2024 ...[Details]
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Are people still changing their phones frequently this year? On May 16, the China Academy of Information and Communications Technology released data showing that in March 2022, the total shipmen...[Details]
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All instruments that generate test signals are collectively referred to as signal sources. The oscillating circuit of a signal generator is also called a signal generator, which is used to generate...[Details]
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introduction
In recent years, we have studied and proposed the weak-current theory and system of intelligent buildings - IBWP system. The weak-current technology of intelligent buildi...[Details]
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Based on GPS satellite positioning technology, the dynamic position (including longitude and latitude), time, status and other information of the mobile target can be transmitted to the monitoring cen...[Details]
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Both soft starter and step-down starter are devices used to start motors. They each have their own advantages and disadvantages and are suitable for different application scenarios. The following i...[Details]
DIY/Open Source Hardware
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