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Index 1735

The touch switch circuit composed of the phase inverter (2)

Published:2011/6/20 10:52:00 Author:Seven | Keyword: touch switch circuit, phase inverter

The touch switch circuit composed of the phase inverter (2)
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The STK4152 practical circuit

Published:2011/6/20 0:43:00 Author:Seven | Keyword: practical circuit

The STK4152 practical circuit is shown in the figure. (View)

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The STK4151 application circuit

Published:2011/6/20 22:06:00 Author:Seven | Keyword: application circuit

The STK4151 application circuit is shown in the above figure. (View)

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The ultrasonic wave remote control lamp switch circuit

Published:2011/6/20 22:07:00 Author:Seven | Keyword: ultrasonic wave, remote control

The ultrasonic wave remote control lamp switch circuit is shown in the above figure. (View)

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The STK4142 application circuit

Published:2011/6/20 22:09:00 Author:Seven | Keyword: application circuit

The STK4142 application circuit is shown in the above figure. (View)

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The stable single key electric switch circuit

Published:2011/6/20 0:51:00 Author:Seven | Keyword: single key, switch circuit

The stable single key electric switch circuit
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The lighting lamp ultrasonic wave remote control circuit

Published:2011/6/20 22:09:00 Author:Seven | Keyword: lighting lamp, remote control

The lighting lamp ultrasonic wave remote control circuit is shown as above. (View)

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The STK4141 application circuit

Published:2011/6/20 0:54:00 Author:Seven | Keyword: application circuit

The STK4141 application circuit is shown in the figure. (View)

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The principle diagram of photocoupler application circuit

Published:2011/6/20 0:55:00 Author:Seven | Keyword: principle diagram, application circuit

The principle diagram of photocoupler application circuit is shown in the figure. (View)

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The remote control circuit

Published:2011/6/20 22:10:00 Author:Seven | Keyword: remote control

The remote control circuit is shown in the above figure. (View)

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The STK4131 application circuit

Published:2011/6/20 22:10:00 Author:Seven | Keyword: application circuit

The STK4131 application circuit is shown in theabove figure. (View)

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The STK4122 application circuit

Published:2011/6/20 22:10:00 Author:Seven | Keyword: application circuit

The STK4122 application circuit is shown in theabove figure. (View)

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The moving object detector circuit

Published:2011/6/20 22:11:00 Author:Seven | Keyword: moving object, detector

The moving object detector circuit is shown in the figure:The above figure is the ultrasonic wave reception and process circuit, and its emitting circuit is this. (View)

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The dual-way controllable silicon working principle circuit of the liquid level control

Published:2011/6/20 21:53:00 Author:Seven | Keyword: controllable silicon, working principle, liquid level control

The dual-way controllable silicon working principle circuit of the liquid level control
See as the figured circuit, the controller composed of the water level detector, trigger controller and step-down rectifier circuit, etc. The bias circuit composed of water detecting poles of a, b, c, W1, R1,R2 and R3 is the level detector.When the level is under b, Vp-b≈R3×VDD/（Rw1+R1+R2+R3）<1/3VDD, 555 is offset, SCR is triggered and conducting, the motor runs and draws water.When the level is above a, Vp-a≈R3×VDD/（Rw1十R3）＞2/3VDD, 555 is reset, 3-pin is in a low LEV. SCR is blocked and the motor stops running . (View)