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Preface
80C51 single-chip microcomputer is widely used due to its comprehensive functions, relatively complete development tools, rich derivative products, and a large number of design resourc...[Details]
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interrupt 0 indicates external interrupt 0;
interrupt 1 indicates timer interrupt 0;
interrupt 2 indicates external interrupt 1;
interrupt 3 indicates timer interrupt 1;
interrupt 4 indicates a seria...[Details]
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1. Overview of the origin of 12-pulse rectifier
There is no power factor problem for DC, because the current and voltage of DC are always in phase. However, this problem occurs for AC. The powe...[Details]
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Mendix, a Siemens business, announced today that AntTail, a Dutch provider of cold chain logistics technology services for medical and perishable products, has developed a new IoT data tracking solut...[Details]
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The 2500 series chips of ISD Company of the United States are divided into ISD2540, 2560 and 25120 varieties according to the recording and playback time of 40 seconds, 60 seconds and 120 seconds. ...[Details]
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Here is another audio amplifier circuit from Phillips with a single power supply IC, TDA1514A. This is a 50W power output high fidelity amplifier circuit. One power supply IC provides 50W single po...[Details]
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Huawei officially held a new product launch conference for the P30 flagship series in Paris, France. In addition to mobile phones, Richard Yu also announced some peripheral products and indus...[Details]
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Many series of STC microcontrollers have integrated EEPROM memory (actually Data Flash) to facilitate user use. It is really thoughtful! I wrote a small program today and tested it. It works normally...[Details]
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introduction Random numbers have been widely used in simulation, sampling, numerical analysis, computer programming, decision-making, aesthetics and entertainment. There are two common types of rando...[Details]
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The loss of goods has undoubtedly increased the burden on enterprises. For this reason, the anti-theft alarm industry was born. Loss prevention has gradually been taken seriously by domestic busine...[Details]
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At present, many universities and research institutes have conducted research on switching power supply EMI (Electromagnetic Interference). Some of them start from the mechanism of EMI generation, an...[Details]
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The intrinsic qualities of light-emitting diodes (LEDs) make them a viable replacement for cold cathode fluorescent lamps (CCFLs) as the backlighting solution for next-generation TVs, desktops, and...[Details]
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1.Brief description This article introduces the STC89C52 microcontroller as the core, using the ACS712-05 chip and the series voltage divider circuit as the current detection and voltage detection ci...[Details]
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The development history of relay protection tester As an indispensable resource for national economic development and people's daily life, the application of electricity has become an important i...[Details]
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On October 21, Tang Chuanle, deputy director of China National Nuclear Corporation Equipment, led a team to visit and exchange with Herui Electric Power. The company's chairman Yang Lin, general ma...[Details]