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Recently, I need to use door magnetic in my project, and I use STM8L051 chip. When using button battery, it is necessary to have low power consumption and energy saving. First, let’s look at the lo...[Details]
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1 High frequency power supply system block diagram
High-frequency switching rectifiers generally first directly rectify and filter AC power into DC power through diodes, and then convert it in...[Details]
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LED multiplexing technology and application (LED pixel decomposition technology)
LED pixel decomposition (also known as virtual pixel) technology uses LED multiplexing technology. The same LED ligh...[Details]
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Using ActiveX to read Excel data in LabVIEW
There are many examples on the Internet about reading Excel, but I have never found a way to read the data of an entire sheet in a file, so here I will in...[Details]
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Research institutions estimate that once the United States starts imposing a 25% tariff on $325 billion worth of goods, the price of laptops sold in the United States may increase by 19%. In this reg...[Details]
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The ability to resist mains voltage disturbance (Line rejection) is also called audio signal attenuation rate or audio ripple attenuation rate (Audio-su-sceptibility), that is, the output-input (gr...[Details]
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"We do have a lot of IGBT orders. We have already reached full production and are now focusing on high-end customers and high-threshold markets." A person from Silan Microelectronics told reporters...[Details]
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The meters commonly used to measure compressed air flow are turbine flowmeter, vortex flowmeter, orifice flowmeter, etc. With the development of science and technology, orifice flowmeter has been rep...[Details]
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When it comes to smart cockpits, various screens in the car have become synonymous. Even with the popularization of the Internet of Vehicles and the blessing of 5G technology, the intelligence of the...[Details]
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At present, public key-based identity authentication mechanisms are widely used on the Internet. Public Key Infrastructure (PKI) is a system that uses public key technology and digital certificates t...[Details]
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1 Introduction
With the massive increase of new loads and nonlinear loads in the power system, the voltage and current waveforms of the power system will be seriously distorted, thu...[Details]
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When SM2..0 is 011, the SLEEP instruction will put the MCU into power saving mode. This mode is different from the power down mode in one respect: If the Timer/Counter 0 is asynchronously driven, t...[Details]
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Google is getting very close to finalizing the next major version of its mobile operating system as it begins rolling out Android Q Beta 5 previews, which are the first "test release candidate" and c...[Details]
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High brightness light emitting diodes (HBLED) combine the advantages of high output, high efficiency and long life. Manufacturers are developing devices that can achieve higher luminous flux, longer ...[Details]
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Contains C language code, AD schematics and PCB board diagrams, proteus simulation diagrams, and music colored lights controlled by sound. The simulation schematic diagram is as follows . The sche...[Details]