Published:2011/9/19 1:16:00 Author:Ecco | Keyword: Mazda Familia , combination instrument, sound , lighting system
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Published:2011/9/12 21:25:00 Author:Ecco | Keyword: connection, inverter , three-phase motor
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Published:2011/9/12 21:27:00 Author:Ecco | Keyword: Monostable circuit , long-time delay
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Published:2011/9/12 21:28:00 Author:Ecco | Keyword: Easy start-up astable
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Published:2011/9/12 21:29:00 Author:Ecco | Keyword: Three-button interlock, electronic switch
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Published:2011/9/12 20:48:00 Author:Ecco | Keyword: Three-tube astable circuit
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Published:2011/9/12 20:48:00 Author:Ecco | Keyword: Three-tube astable circuit
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Published:2011/9/12 20:52:00 Author:Ecco | Keyword: Three-tube astable, driving three relays
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Published:2011/9/12 20:58:00 Author:Ecco | Keyword: Three-tube astable, triggering TRIAC
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Published:2011/9/12 21:31:00 Author:Ecco | Keyword: Touching switch
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Published:2011/9/12 21:11:00 Author:Ecco | Keyword: phototroller
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Published:2011/9/12 21:24:00 Author:Ecco | Keyword: Optical breaker
When the circuit is in quiescent (dark) state, the electromagnet M flows the current, if there is sufficient light shines on the phototransistor, it is turned on, then the last stage transistor is off, solenoid releases. As the feedback to the base of the phototransistor from the 1MΩ resistor, the photo-transistor still turns on as illumination cancels. Pressing the reset button T will make it return to the initial state. Darlington transistor can be replaced by an amplifier with larger magnification.
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Published:2011/9/12 21:10:00 Author:Ecco | Keyword: pump control , time relay
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Published:2011/9/12 21:08:00 Author:Ecco | Keyword: Ten-road chasing flashing
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Published:2011/9/12 21:07:00 Author:Ecco | Keyword: Ten-channel ALC
The circuit can control ten roads of load (such as lights), and each load receiver controllers are independent, non-interfering, easy to use. The figure (A) shows the remote control transmitter, and figure (b) shows the remote control receiver circuit. Adjustable resistor RPx, parameters are as follow:
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Published:2011/9/12 21:01:00 Author:Ecco | Keyword: Brine pump
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Published:2011/9/12 21:25:00 Author:Ecco | Keyword: Optical solenoid
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Published:2011/9/12 21:36:00 Author:Ecco | Keyword: Emitter-coupled monostable , driving two relays
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Published:2011/9/12 21:35:00 Author:Ecco | Keyword: Emitter-coupled monostable, driving relay
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Published:2011/9/12 21:31:00 Author:Ecco | Keyword: Controllable astable circuit
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