Published:2011/6/1 2:08:00 Author:chopper | Keyword: Fast integrator, low input current
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Published:2011/5/29 21:43:00 Author:chopper | Keyword: fast summing amplifier, low input current
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Published:2011/5/11 21:40:00 Author:Nicole | Keyword: stepping motor, PWM, constant current drive
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Published:2011/5/11 0:01:00 Author:chopper | Keyword: High Voltage Seven Segments Decoder, Cathode drive
As shown in figure is ahexadecimal SN75480 drive gas discharge display circuit.
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Published:2011/4/1 4:01:00 Author:may | Keyword: Automatic, Hand Drying Controller
The operational principle of this circuit is shown in the diagram. Usually, the infrared rays emitted by the infrared emitting tube VD1 are exposed to the infrared receiver VD2, which leads the impedance of VD2 to decrease. At the same time, the fourth part of the LSE is outputing high electrical level, and the triode VT is at its deadline position. The electric relay J is in release condition with its normally open contact j 1-1 and j 1-2 disconnecting. The cold and warm air heating radiator can not work with no power supply. After people washing their hands, they will put their hands on the place between VD1 and VD2 where blocking out the infrared released from VD1, so the impedance of VD2 increases and the fourth part of LSE starts to output low electrical level, and the triode VT gets breakover, The electric relay J sucks close with its contacts power off. The cold and warm air heating radiator should be connected to power in advance and push the warm air button on the device.
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Published:2011/4/27 6:43:00 Author:Robert | Keyword: Office Electric Heating Plate, Automatic Switch
Office Electric Heating Plate Automatic Switch Circuit is shown as below. Based on the normal office desk electric plate heter, it equips the infrared reflection automatical switches composed of the TX50D module, can achieve the goal that automatical power up and heating whenpeople are workingon the plate, and automatic power down and stop heating when nobody there. This circuit could not only save the power, avoid the fash brought by the frequent plugs, but also can extend the life of the office electric heating plate and prevent the occurrence of accidents, it could be connected directly to the normal office electric heating plate, and is easy to produce, stable to work.
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Published:2011/4/26 5:16:00 Author:Robert | Keyword: Ventilator, Auto Exhauster
Ventilator Auto Exhauster Circuit (1) is shown below:
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Published:2011/4/26 5:18:00 Author:Robert | Keyword: Squirrel Cage, Wound-Rotor, Asynchronous Motor
Squirrel Cage Wound-Rotor Asynchronous Motor Circuit is shown above. (View)
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Published:2011/4/26 5:54:00 Author:Robert | Keyword: Infrared Control Faucet
Infrared Control Faucet Circuit Using CX20106 is shown below:
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Published:2011/4/25 7:26:00 Author:Robert | Keyword: Wind Turbine
Wind Turbine SchematicCircuit is shown above. (View)
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Published:2011/4/23 3:09:00 Author:Robert | Keyword: Electric Fan, Multi-Function, Sound Control, Speed Governing
Electric Fan Multi-Function Sound Control Speed Governing Circuit is shown below:
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Published:2011/4/23 9:06:00 Author:Robert | Keyword: All-Zero Triggering, Natural Wind Controller
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Published:2011/4/23 9:13:00 Author:Robert | Keyword: Optical Isolation, Automatic Telephone Recording, Interfaces
Optical Isolation Automatic Telephone Recording Interfaces Circuit is shown below:
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Published:2011/4/23 9:49:00 Author:Robert | Keyword: Two-Stage Breeze File, Five-Speed, Electric Fan
Two-Stage Breeze File Five-Speed Electric Fan Circuit is shown below:
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Published:2011/4/23 1:48:00 Author:Robert | Keyword: Ventilator, Automatic Exhaust Control
Ventilator Automatic Exhaust Control Circuit (2) is shown below:
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Published:2011/4/23 1:45:00 Author:Robert | Keyword: Ventilator, Automatic Exhaustsmoke
Ventilator Automatic Exhaustsmoke Circuit is shown below:
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Published:2011/4/23 1:40:00 Author:Robert | Keyword: Ventilator, Automatic Gas Control
Ventilator Automatic Gas Control Circuit is shown below:
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Published:2011/4/23 0:56:00 Author:Robert | Keyword: A/C, Compressor Control
A/C Compressor Control Circuit is shown below:
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Published:2011/4/23 0:03:00 Author:Robert | Keyword: Semi-Automatic Freight Elevator Control
JH0-751 Semi-Automatic Freight Elevator Control Circuit (1) is shown below:
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Published:2011/4/20 6:34:00 Author:May | Keyword: Automatic opening/closing, Rph, photoresistance
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