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Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
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1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
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Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
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1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
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Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
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0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
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Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
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Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
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Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
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With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
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As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
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Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
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After the development of the single-chip microcomputer application system is completed, the system often freezes at the work site due to noise interference, electromagnetic interference, overvoltag...[Details]
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Tags: Intelligent Video Video Surveillance HD Video
Currently, intelligent video analysis technology is gaining more and more attention in the security industry, and many projects have...[Details]
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