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Yesterday, we discussed and tested the amplifier circuit of Infineon's analog interface silicon microphone, and used LTspice for simulation test. It can be seen that it can meet the needs of silico...[Details]
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I made a simple project. The circuit board is powered by batteries and needs low power consumption when in standby mode. However, there are only 4 buttons on the external interface, which means that ...[Details]
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1. Download A few days ago I redid the changes I made on Linux 4.9 on Linux-4.10.17 and fixed some issues. Here is the download method: git clone https://github.com/pengdonglin137/linux-4.10.17.git...[Details]
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As the world begins to phase out inefficient incandescent lamps, a large incandescent lamp replacement market has emerged, especially in the European and American household markets, because many inca...[Details]
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The wave of automobile intelligence is surging, but before smart driving cars can be truly commercialized, they need to undergo a lot of road tests to meet commercial requirements. As an emerging thi...[Details]
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The following figure shows an ultrasonic chroma delay line circuit. DL in the circuit is an ultrasonic chroma delay line. VT1 is a chroma signal F delay amplifier, VT2 is a red difference signal comp...[Details]
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Why is the star connection 220V?
In a three-phase power system, the voltage of the star connection is related to the line voltage of the power supply (that is, the voltage between the two phas...[Details]
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According to foreign media reports, a team from the Swiss Federal Institute of Technology in Lausanne (EPFL) has brought a new concentrating device. They combined the concentrating device with photoe...[Details]
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introduction
Timed on/off is a common problem in daily, weekly, monthly, etc. timed on/off. For example, in the booster pump room of a residential area, when the water consumption is lo...[Details]
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This article introduces the development process of the integrated DC insulation detection device tester, which can verify the set parameters of the DC insulation detection device of the substation, e...[Details]
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The Chinese team and local ecosystem will further develop and continue to enable the transformation and upgrading of manufacturing automation
Shanghai, China, November 11, 2022
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Based on 51 single chip microcomputer, the sensor uses dht11 and ds18b20. The temperature measurement accuracy of dht11 is limited, and 18b20 can make up for it. The first line shows the humidity and...[Details]
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This article discusses the general methods and principles of the research and development and production of this power supply.
About appearance
Now
LED fluorescent
lamps Power sup...[Details]
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Now, taking the bus cycle of the ARM7TDMI core as an example, the bus signals and bus timing of the ARM processor are introduced.
1. A (address): 32-bit address bus. The relevant control signals...[Details]
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0. Introduction
In today's world where energy is scarce and environmental pollution is becoming increasingly serious, fully developing and utilizing solar energy is one of the energy strategie...[Details]