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Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
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The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
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To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
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introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
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Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[Details]
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With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
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Abstract: This paper introduces the controller, interface, display principle and driving method of the handheld computer LCD display based on the SA1110 microprocessor. Combined with the HPC projec...[Details]
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Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
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Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, as more safety electronic devices, fuel consumption and fuel emission control electronic s...[Details]
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Analysis of automotive sensor testing requirements
At present, the control system used in automobiles can be functionally divided into three parts: sensor unit, control unit and execution ...[Details]
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Prisons are an important part of the national judicial organs, shouldering the important mission of enforcing laws and disciplines and educating and reforming. The safety of prisons is related to t...[Details]
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0 Introduction
With the release of the "Elevator Supervision and Inspection Regulations", new requirements have been put forward for the inspection quality of elevators by inspection agenc...[Details]
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O Introduction
Semiconductor laser (LD) is a solid light source. It has been widely used due to its advantages such as good monochromaticity, small size, light weight, low price and low po...[Details]
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Historically, GPS receiver designers have combined simulation and drive testing to determine receiver performance in complex environments. While GPS signal simulation provides a repeatable signal s...[Details]
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1 Introduction
The research is about a basic human parameter tester that can measure parameters such as body temperature, pulse and breathing interval. These parameters and records are the...[Details]
PCB Design
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