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At present, considering factors such as volume and cost, most AC/DC converter input rectification and filtering adopt capacitor input filtering. The circuit principle is shown in Figure 1. Since t...[Details]
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The car door lock has two states: unlocked and locked. When locked, the door cannot be opened through the inner and outer handles. Central door lock control device: It is an electrical device that co...[Details]
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0 Introduction
国内单片机多机通信方向技术开发应用已有相当长时间,在智能化仪器、工业自动控制、家用电器机电一体化等方面的应用成果尤为显著。本文介绍AT 系列单片机多机通信在程控交换机中应用。
A multi-machine programmable switching system expands 1 to 2 telephone lines into 4 ...[Details]
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Testing instruments are a kind of instrument that is needed in many industries nowadays. Users need to understand the selection methods when purchasing testing instruments. Users understand the corr...[Details]
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The connection line between the insulation resistance meter and the equipment under test or electrical circuit should be a single multi-stranded copper insulated wire, and double-stranded insulated w...[Details]
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introduction
Usually, there are two groups of power supplies for household fixed-frequency air conditioner controllers. One group is 12 volts with a current of less than 600 mA; the other ...[Details]
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Embedded Ethernet can not only be used in industrial sites to realize the automatic Internet access function of field nodes, but also can be used for the Ethernet interface of information appli...[Details]
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Ocean King BFC8100, BPC8730 explosion-proof platform light
Model: BPC8730 Brand: Yueqing Ocean King Name: Explosion-proof Platform Light
Yueqing Ocean King BPC8730: Applicable to petroleu...[Details]
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In electrical engineering, there are two very important concepts: **magnetic field intensity H (A/m)** and magnetic induction intensity B (T).
The magnetic field intensity H was first derived ...[Details]
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introduction
Due to the requirements of emerging end markets, dedicated signal path products are now finding more and more uses in 3G and feature/smartphone applications. These application...[Details]
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Foreign media reported that as early as September last year, Xiaomi launched the Xiaomi 10T/Pro series flagship mobile phones in the global market. Now, Xiaomi seems to be preparing to launch t...[Details]
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Today, let's talk about how to receive indefinite length byte data on the STM32 microcontroller. Since the STM32 microcontroller has an IDLE interrupt, you can use this interrupt to receive indefinit...[Details]
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U.S. District Judge Yvonne Gonzalez Rogers today granted Apple's motion to dismiss a lawsuit filed against Apple by Jay Freeman, the creator of the Cydia app store, better known as Cydia, for "jailbr...[Details]
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As shown in the figure, this is a typical application circuit of the LM4906 audio power amplifier (MSOP package). After the audio signal is input, it is coupled to the inverting input terminal (pin...[Details]
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Noise pollution, gas pollution and solid matter pollution have been called the three major pollutions in the world today. Excessive noise can damage people's health, such as neurasthenia and neuros...[Details]
Microcontroller MCU
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