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introduction
The pan/tilt controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so th...[Details]
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1 Ways to detect event occurrence: polling and interruption
2 S3C2440 abnormal interrupt system block diagram
An interrupt is a type of exception.
Switching betwe...[Details]
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1. ADC Introduction STM32F103 has at least 2 AD analog-to-digital converters, each ADC has 18 channels, and can measure 16 external and 2 internal analog quantities. The maximum conversion frequency ...[Details]
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In test and measurement work, we will encounter such problems. The power rail voltage (rail voltage) and tolerance are getting smaller and smaller, and it is becoming more and more difficult to accur...[Details]
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1. Working principle of switching power supply
1. A switching power supply is a high-frequency switching energy conversion electronic circuit, often used as a power supply for equipment. Commo...[Details]
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High voltage withstand tester, also known as withstand tester, ultra-high voltage withstand tester, portable AC/DC high voltage withstand tester, AC/DC ultra-high voltage withstand tester, AC/DC high...[Details]
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As a bioengineer at Stanford University in the United States, Bohen and other researchers have formed a small team that is trying to create this ideal computer operating mode by imitating the bra...[Details]
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In various industries in the process of industrial production and scientific and technological research, various data are often collected. Nowadays, the commonly used collection method is to install ...[Details]
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——Interview with Wang Yang, Chief Engineer of Information and Communication Research Institute of China Electric Power Research Institute Co., Ltd.
Text/Reporter Wang Weimin
This year is ...[Details]
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According to foreign media reports, TSMC, which took the lead in mass production of advanced process technologies such as 7nm and 5nm, is also considered to have a higher yield rate. However, they ma...[Details]
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China Energy Storage Network News:
On April 26, it was learned from State Grid Beijing Electric Power Company that this year the company will build a multi-level "site, park, community, and...[Details]
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Working principle of the circuit: The light-controlled street lamp circuit consists of a power supply circuit and a light-controlled circuit, as shown in the figure. The power supply circuit consi...[Details]
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Timing inside the microcontroller
When the microcontroller performs various operations, the CPU completes the related work in strict accordance with the prescribed time sequence. This time seq...[Details]
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For all devices related to "electricity", current is a parameter that is always indispensable. The unit of measurement for current is A (ampere), which is defined as the current size of 1A when the a...[Details]
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introduction
As the power supply voltage decreases, the threshold voltage of the transistor does not decrease, but the common-mode input range of the op amp becomes smaller and smaller...[Details]