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Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
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Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[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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Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
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Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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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The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
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Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
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1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[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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Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
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System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
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从制造过程开始,一直到所有的应用领域,极低功耗技术逐渐成为所有设计中必不可少的需求。对能源敏感的应用,特别是必须以单颗电池提供连续数小时运作时间的产品,更需要加入极低功耗设计概念。要满足这些要求,就必须整合微控制器,这不仅要瞭解电池特性,还必须深入瞭解为了达到连续使用10、15甚至20年却无须更换电池的目标,应该如何设计一款装置。
要在极低功耗条件下操作,就必须用全新的方法来看待这...[Details]
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Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]
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1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]