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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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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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introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[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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0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
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When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[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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1 Power Module Design
The power supply in this study is directly connected to the neutral and live wires, and converted through the lnk306 chip. The 13V voltage required by the control mod...[Details]
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MAXIM's MAX16834 is a current-mode high-brightness LED (HB LED) driver with boost, buck-boost, SEPIC, and high-side buck topologies. In addition to driving the n-channel power MOSFET switch through...[Details]
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1. Introduction
Solar energy is the most important energy source among green energy sources. It is an inexhaustible, widely available natural energy source. Its advantages are that it is extre...[Details]
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Color temperature
Definition: When the color of light emitted by a light source is the same as the color of light radiated by a black body at a certain temperature, the temperature of the bla...[Details]
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There are many adjustable rectifier power supplies on the market that can output 3-12V voltage. However, most of these power supplies have rough workmanship and many problems. This time we will ma...[Details]
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This paper introduces the hardware and software design of embedded CAN intelligent node based on PIC16F874 single chip microcomputer, and uses PCL-841 CAN interface card to realize communication be...[Details]
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Epitaxial wafer technology and equipment are the key to epitaxial wafer manufacturing technology. Metal-Organic Chemical Vapor Deposition (
MOCVD
)
technology
is
the
ma...[Details]
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The current carrying value of the
wire
is directly related to the number of vias and pads of the wire (currently, there is no calculation formula for the influence of pads and vias per sq...[Details]