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TSMC, Samsung and Intel together account for more than half of the total semiconductor industry capital expenditures. Gartner in July forecast industry capital expenditures of $141.9 billion in 2021,...[Details]
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On July 13, State Grid Gansu Electric Power Company completed the deployment of the State Grid blockchain node, becoming the second provincial power company to successfully connect to the "State Gr...[Details]
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After the epidemic, the time spent enjoying an audio-visual feast in the cinema is particularly precious. Is it possible to move the cinema into the home and enjoy the shocking cinema audio-visual en...[Details]
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S3C2410x provides 3 independent asynchronous serial I/O interfaces, each of which can work in interrupt or DMA mode. UART can support up to 230. 4K bps baud rate, by using the system clock. If an e...[Details]
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Test temperature and display the temperature on 1602 display //1. The first line displays: Temperature //2. The second line displays: the measured temperature value //********** //*******************...[Details]
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In the previous article, we introduced four current regeneration methods for brushed DC motors under PWM drive. This article will introduce the precautions when PWM driving a brushed DC motor: loss...[Details]
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R-type medium frequency transformer is a new type of medium frequency transformer, suitable for aircraft ground DC power supply and starting, including input 140-220 volts, 400Hz three-phase medium...[Details]
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Electrical Control and PLC
What is the difference between PLC control system and electrical control? There are many similarities between these two control systems, which makes many beginners a...[Details]
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TI's star products for new energy electric drive application scenarios include the UCC21750-Q1 series of smart drivers without SPI interface and the UCC5880-Q1 series of ASILD functional safety dri...[Details]
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The first part is to get interrupts (enable hardware interrupts)
1. Cancellation of interrupted applications:
1) Interrupted applications
int request_irq(unsigned int irq, irq_handler_t handler,...[Details]
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1. What is armhf
In Ubuntu 12.04 and Debian, in addition to arm and armel, there is also a version called armhf. What is this?
As we all know, armel is the main ARM ABI at present. armhf is a...[Details]
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1 前言
随着电子产品的发展,特别是在我国加入WTO后与世界经济接轨的宏观环境下,人们对各类电子产品的电磁兼容性与可靠性、安全性提出了更高的要求。这就极大地促进了EMI对策电子元件与电路保护电子元件的飞速发展,成为电子元件领域中的1个热点,引起人们的极大关注。这类电子元件品种繁多 ,虽然近两年没有出现什么特别令人注目的新发明、新品种,但是这类电子元件型号规格的增多、参数范围的扩大以及抑...[Details]
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German Economy Minister Peter Altmaier met with Huawei founder Ren Zhengfei in Shanghai, hoping to get a more accurate understanding of Huawei through the meeting so that Germany can make the right d...[Details]
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The 8th International Intelligent Connected Vehicle Technology Conference (CICV 2021) was grandly opened at the Beijing YiChuang International Convention and Exhibition Center on May 25, 2021. Li Keq...[Details]
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1 Introduction Fingerprint recognition technology analyzes the local features of fingerprints and extracts detailed feature points from them, thereby reliably confirming personal identity. Fingerpri...[Details]