Design of embedded remote measurement and control system based on sensor network

The Internet of things is considered to be the third wave of information industry after computer, Internet and mobile communication network. The sensor network, which integrates sensor technology, embedded technology, network communication technology and data processing technology, has become one of the key technologies for the construction of “smart earth”. In order to comply with […]

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Reconfigurable circuit PLD based on SRAM

Key words: PLD, SRAM, reconfigurable circuit The appearance of reconfigurable PLD (programmable logic device) of SRAM creates conditions for system designers to dynamically change the logic function of PLD in operating circuit. PLD uses SRAM unit to save word configuration data, which determines the internal interconnection and function of PLD. Changing these data also changes […]

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Inching control circuit of three-phase asynchronous motor

Inching control circuit of three-phase asynchronous motor Source:Site sorting Author:Rank nameDecember 1, 2011 15:32 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]When the circuit works, close the knife switch QK and connect the three-phase power supply. Press the start button sb, the contactor coil km is powered on, the three main contacts […]

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Photoelectric automatic control hand drying circuit

Photoelectric automatic control hand drying circuit Source:Electronic enthusiast network Author:XiaolanDecember 6, 2011 16:12 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]At ordinary times, the pulse light emitted by the transmitting tube in the photoelectric sensor CT is reflected to the receiving head of the CT due to no moving object (hand), the […]

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Why does Xinpeng micro now begin to weaken its dependence on imported power

The highly integrated switching power supply and control circuit improved by Xinpeng micro samples the primary side current on the primary side winding of the transformer to obtain the sampling voltage, and samples the telecommunication signal generated by the voltage dividing resistance as the feedback voltage, so as to control the charge and discharge of […]

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Working principle of sound control circuit (sound control delay door lamp circuit / DIY sound control switch circuit / sound control flash lamp circuit)

Working principle of sound control circuit (sound control delay door lamp circuit / DIY sound control switch circuit / sound control flash lamp circuit) Source: Author:November 2, 2021 16:04 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]The characteristic of voice control circuit is that the operation of control circuit is triggered by […]

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Principle of pneumatic control circuit (automatic control circuit of gas monitoring / simple pneumatic control circuit of ventilator / electrical circuit of drilling machine)

Principle of pneumatic control circuit (automatic control circuit of gas monitoring / simple pneumatic control circuit of ventilator / electrical circuit of drilling machine) Source: Author:November 2, 2021 16:37 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]The electrical control circuit is composed of power supply, control elements, wires and loads. The electrical […]

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Liquid control circuit diagram and working principle (liquid flowmeter circuit / high and low water level control circuit / common circuit of electro-hydraulic control)

Liquid control circuit diagram and working principle (liquid flowmeter circuit / high and low water level control circuit / common circuit of electro-hydraulic control) Source: Author:November 2, 2021 17:03 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]Liquid level control is a common process control in industry, and its influence on production can […]

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Principle of time control circuit (kg316t time control switch circuit / time control circuit / relay control light circuit)

Principle of time control circuit (kg316t time control switch circuit / time control circuit / relay control light circuit) Source: Author:November 2, 2021 17:36 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]Time controlled switch is a microcomputer controlled switch, which can be used for timing opening and closing. With the switch control […]

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Actual diagram of motor control circuit (double interlocking reversible control circuit / DC motor forward and reverse control circuit / three-phase asynchronous motor inching control circuit)

Actual diagram of motor control circuit (double interlocking reversible control circuit / DC motor forward and reverse control circuit / three-phase asynchronous motor inching control circuit) Source: Author:November 4, 2021 16:56 0 share Wechat QQ space Sina Weibo Tencent Weibo Renren [guide]The motor control is composed of electromagnet winding generating magnetic field or distributed stator […]

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