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#include regx51.h void delay(unsigned int i){ while(i--); } void main(){ unsigned char n,i; unsigned char led ={0x01,0x03,0x07,0x0f,0x1f,0x3f,0x7f}; while(1){ for(n=0;n 7;n++){ P1=(~l...[Details]
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1. Gamma spectrometer and construction material radioactivity detection technology
For testing laboratories that implement GB6566 and GB50325, there is generally no need to purchase expensive hig...[Details]
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A frequency meter is an instrument for measuring frequency or time interval information. It has high accuracy, low price and unique design. High-precision measurement can be achieved using only a...[Details]
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Lei Jun shows a full-size humanoid bionic robot: good things are about to happen
On the occasion of Xiaomi's twelfth anniversary, Xiaomi founder and CEO Lei Jun delivered an important annual s...[Details]
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Recently, Shenzhen South Circuit said during a research visit that the company's main raw materials include copper clad laminates, prepregs, copper foils, gold salts, inks, etc., involving a wide ran...[Details]
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1 Introduction DC motors are commonly used driving devices in industrial production, with good starting and braking performance. Early DC motor control was based on analog circuits, using operationa...[Details]
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设计一种能够产生连续电弧的高压开关电源可能是具有挑战性的。这种小巧高效的开关电源在输出功率为 20W 时可输出 1kV电压，并能耐受连续电弧（即短路）（图 1）。它使用标准的市售元件。使用R1将开关稳压控制器LTC1871设定在120kHz的额定工作频率。该电路像间断式回扫电路一样工作，在 C1上产生 333V 电压。二极管/电容器电荷泵倍增器把该电压升高到三倍，在输出端产生1000V 电压...[Details]
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Honor Play series product manager Wei Xiaolong released a picture on Weibo that hints at the selling points of the new Play phone. It is obvious that this new phone will use "40W fast charging", supp...[Details]
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On May 21, Midea Group announced that the company disclosed the "Voluntary Information Disclosure Announcement on the Full Acquisition of KUKA Aktiengesellschaft's Equity and Privatization" on Novemb...[Details]
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1. Introduction
Today's electronic and electrical architecture has undergone significant changes compared to the past. First, compared to the numerous ECUs with limited computing resources in ...[Details]
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On August 14, from General Motors, Ford to Volkswagen to Toyota, automakers are working to phase out fuel vehicles. Although electric vehicles help reduce harmful emissions and curb climate warming, ...[Details]
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SAN DIEGO, June 18, 2024 –
Qualcomm Technologies, Inc. has become a Premium Partner of the Mercedes-AMG F1 Academy Series, supporting elite women’s motorsport and highlighting the S...[Details]
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1. Decrease in optics and storage costs
The core logic of the cost reduction of new energy is the scale development under the background of technological progress. Taking photovoltaic as a...[Details]
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introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional...[Details]
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The EVAL-FLTR-LD-1RZ active filter evaluation board is designed for Analog Devices, Inc., low distortion SOIC pinout op amps, including the following high performance devices : AD8000, AD8099, AD8045...[Details]
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