7 MHz VFO 5

Published:2012/12/27 0:54:00 Author:muriel | Keyword: 7 MHz, VFO

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7 MHz VFO 4

Published:2012/12/27 0:53:00 Author:muriel | Keyword: 7 MHz, VFO

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7 MHz VFO 3

Published:2012/12/27 0:53:00 Author:muriel | Keyword: 7 MHz, VFO

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7 MHz VFO

Published:2012/12/27 0:53:00 Author:muriel | Keyword: 7 MHz , VFO

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Cell-Phone calling Actuator

Published:2012/12/25 21:15:00 Author:muriel | Keyword: Cell-Phone, calling Actuator

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Temperature-controlled 12V dc Fan

Published:2012/12/25 21:11:00 Author:muriel | Keyword: Temperature-controlled , 12V , dc Fan

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Capacitive Sensor

Published:2012/12/23 20:44:00 Author:muriel | Keyword: Capacitive Sensor

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Pills Reminder

Published:2012/12/21 21:35:00 Author:muriel | Keyword: Pills Reminder

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Muscular Bio-Stimulator(2nd Version)

Published:2012/12/21 21:35:00 Author:muriel | Keyword: Muscular Bio-Stimulator

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Salt-Taster

Published:2012/12/21 21:33:00 Author:muriel | Keyword: Salt-Taster

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Sleeping-Aid

Published:2012/12/21 21:33:00 Author:muriel | Keyword: Sleeping-Aid

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Muscular Bio-Stimulator

Published:2012/12/21 21:32:00 Author:muriel | Keyword: Muscular Bio-Stimulator

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Cranial Electrotherapy Stimulator

Published:2012/12/21 21:31:00 Author:muriel | Keyword: Cranial Electrotherapy Stimulator

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Infrared reflectance automatic hand dryer circuit diagram

Published:2012/12/20 2:39:00 Author:Ecco | Keyword: Infrared , reflectance , automatic hand dryer

Infrared reflectance automatic hand dryer schematic circuit diagram:   (View)

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Electronic imitation sound pest quitter circuit diagram

Published:2012/12/17 2:50:00 Author:Ecco | Keyword: Electronic , imitation sound , pest quitter

R2 is a 10k Ω fine-tuning resistor; R3 is a 130kΩ fine tuning resistor; R3 is a 200Ω resistor; R5 is a 510k Ω fine-tuning resistor; C1 uses 330u/16V electrolytic capacitor; C2, C3 are 0.01u polyester capacitors; C4 is a 680P porcelain capacitor; C5 uses 1u/16V 1 Electrolytic Capacitor; C6, C7 are 10u/16V Electrolytic Capacitors; VD1 and VD2 are IN4148 switching diodes.   (View)

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DEUTZ high pressure common rail engine wiring diagram

Published:2012/12/14 0:25:00 Author:Ecco | Keyword: DEUTZ , high pressure, common rail, engine wiring

DEUTZ high pressure common rail engine wiring diagram is shown as the figure.   (View)

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PVDF heart sound pulse measurement principle circuit

Published:2012/12/13 1:17:00 Author:Ecco | Keyword: PVDF , heart sound , pulse measurement

Measuring circuit is composed of monostable oscillator ( 4538 ), the divider ( 4024), pulse generator ( ICM7555 ), counter ( 4040), latch ( 74HC513 ), memory ( ROM ), seven-segment latch drive ( 7511 ) and seven-segment digital LED tube. Figure (a) is a structural diagram of the PVDF heart sound pulse sensor. In Figure ( a ), PVDF film is dome-shaped and slightly protruding outward to make a good contact with the skin surface. The PVDF material is flexible to close to the skin, the impedance is matching with the skin, subsequently, even under stress, the pressure does not affect the detection pulse pressure variation, and therefore able to detect a slight ripple signal.   (View)

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The intelligent digital voltmeter circuit diagram composed of HI7159A and the 8031 microcontroller

Published:2012/12/11 1:06:00 Author:Ecco | Keyword: intelligent digital voltmeter, microcontroller

The internal circuit adopts the successive incremental integration, digital zero and low noise BIMOS advanced technology. Under 51 / 2 mode, the maximum count value is 199,999, and accuracy is ± 0.005 %.   (View)

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High Quality Intercom

Published:2012/12/3 0:47:00 Author:muriel | Keyword: High Quality, Intercom

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Magnetic Gun

Published:2012/12/3 0:38:00 Author:muriel | Keyword: Magnetic Gun

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