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In the engineering practice of long-distance and gathering pipelines in China, orifice flowmeters, especially high-grade orifice valves, have long dominated. However, with the large-scale development ...[Details]
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1. Use P1.0-P1.3 of AT89S51 microcontroller to connect four light-emitting diodes L1-L4 to indicate the current counting data; use P1.4-P1.7 as the input terminal of preset data and connect four dial...[Details]
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Solve the last mile delivery problem.
Retailers are deploying to reduce costs and improve efficiency, which brings new opportunities for businesses, but also a new set of challenges....[Details]
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The main methods for ammonia nitrogen in China are: salicylic acid colorimetry, Nessler's reagent colorimetry and ammonia sensitive electrode method. Simply put, there are two categories: colorimet...[Details]
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Fujitsu's A64FX processor once helped "Fugaku" become the world's number one supercomputer. Now they have begun to develop the next generation processor, codenamed "Monaka". The Monaka processor, lik...[Details]
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element14 offers customers powerful new Murata DC-DC converter range of power products Shanghai, China, March 6, 2024 - element14, Avnet 's global distributor of electronic components products and ...[Details]
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The variable frequency power supply is a power conversion device, which has the advantages of pure output waveform, stable output voltage, adjustable output frequency and output voltage. Its good p...[Details]
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Virtual instrument technology is increasingly being used in detection and control, and network-based virtual instrument technology refers to extending virtual instruments working on the detection si...[Details]
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Network Analyzer Block Diagram Figure 1 shows the internal block diagram of the network analyzer. To complete the transmission/reflection characteristics test of the device under test, the networ...[Details]
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Motorola, a smartphone brand under Lenovo, is about to release a mid-to-low-end mobile phone model. Some relevant information about this mid-to-low-end smartphone has been exposed on the Internet. As...[Details]
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With the development of microelectronics and computer technology, embedded technology has gained a broad space for development. Especially since the 1990s, the development and popularization of embedd...[Details]
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1. AVR MCU fuse bit locked simple and quick decryption method: Many AVR microcontroller beginners may easily make mistakes in the fuse bits when using AVR microcontrollers, causing the microcont...[Details]
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发光二极管(HB- led)在每封装流明输出和光效(efficacy,单位为流明/瓦或lm/W)方面的性能快速提升。商用的1WLED已提供有冷色温LED(色温 5000K)的每封装流明输出超过100流明,光效达100lm/W,而相同功率等级的暖色温白光LED(色温3000至3500K)也超过了70到80 流明。
与两年前相比,这些性能等级提高了30-40%。有了这样的性能,LED如...[Details]
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1. Circuit Principle
Transistor V, N1 and N2 windings of transformer T and capacitor C form a transformer-coupled LC oscillator circuit. Potentiometer RP and resistor R provide bias current fo...[Details]
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0 Introduction
With the advent of the Internet era, the Internet has become an important basic information facility. The technological progress in this area has had a positive impact on all as...[Details]