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In recent years, the network video surveillance industry has continued to heat up, and video surveillance management applications have begun to enter the networking era. From front-end video acqu...[Details]
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The Ministry of Industry and Information Technology held a national "number portability" service launch ceremony in Beijing, announcing that the technology, system, and service rules for number porta...[Details]
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Abstract: To reduce the instantaneous current demand on the DC inverter, the DS3984/DS3988 cold cathode fluorescent lamp controller uses a sequential start burst dimming method to control each chan...[Details]
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According to the charging head website, there was news that Apple iPhone 12 will no longer come with a charger, and Apple's original 20W charger may be sold separately. Recently, domestic manu...[Details]
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O Introduction
Over the past 40 years, the continuous reduction in the size of MOS devices has been the driving force behind the development of the semiconductor industry. People can imple...[Details]
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In 2017, the installed capacity of distributed photovoltaic power generation in China exceeded 19GW, accounting for more than 36%, and household photovoltaic power generation also hit a new high of 50...[Details]
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IIC interface pin assignment Interface assignment of SSD1306 in I2C bus mode The IIC communication interface consists of the bus data signal SDA (SDA_OUT and SDA_IN) and the bus clock signal SCL....[Details]
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According to the Central News Agency, TSMC's American depositary receipts rose and then retreated, but its total market value still reached US$312.7 billion, surpassing Samsung's US$292.6 billion, ra...[Details]
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1 Background
In the previous two articles, we introduced the waveform extraction mode and interpolation mode of the oscilloscope. Users can increase or decrease the waveform sampling rate as needed t...[Details]
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Excellent manufacturing means producing high-quality products at a very competitive price to meet the needs of the market. Modern manufacturing companies operate in a just-in-time production environm...[Details]
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When batteries need to power a product for years or even decades, continuous improvement of MCU integration products and slight modification of basic processor architectures cannot meet the rap...[Details]
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1. Basic Concepts
The ARM Coetex-M3 core supports a total of 256 interrupts, including 16 internal interrupts, 240 external interrupts and programmable 256-level interrupt priority settings. STM32...[Details]
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Tokyo Electron, the world's third largest and Japan's largest supplier of semiconductor manufacturing equipment, released its performance forecast for fiscal year 2022 (April 2021-March 2022) on the ...[Details]
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This article takes an incorrect design scheme as an example, deeply analyzes the charging and discharging, polarization and dynamic changes of polarization voltage of lead-acid batteries, deduce th...[Details]
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0 Introduction
PEMFC hydrogen generator has the characteristics of no pollution, high efficiency, no noise, continuous operation and modularization. In particular, it is not limited by the...[Details]