FINGER TOUCH ACTIVATED SWITCH

Published:2013/2/24 20:04:00 Author:muriel | Keyword: FINGER TOUCH, ACTIVATED SWITCH

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CIRCUIT PROTECTS FROM BATTERY POLARITY REVERSAL 2

Published:2013/2/20 21:00:00 Author:muriel | Keyword: CIRCUIT PROTECTS, BATTERY POLARITY REVERSAL

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REVERSED BATTERY POLARITY PROTECTION CIRCUIT

Published:2013/2/20 20:46:00 Author:muriel | Keyword: REVERSED BATTERY , POLARITY PROTECTION CIRCUIT

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Typical Adaptive Gate drive (low-high transition)

Published:2013/2/19 20:53:00 Author:muriel | Keyword: Typical Adaptive Gate drive , low-high transition

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Drive Equivalent Circuit

Published:2013/2/19 20:52:00 Author:muriel | Keyword: Drive Equivalent Circuit

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modern semiconductor switch

Published:2013/2/19 20:48:00 Author:muriel | Keyword: modern semiconductor switch

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4 Input Transistor Control

Published:2013/2/19 20:47:00 Author:muriel | Keyword: 4 Input Transistor, Control

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Simple Electronic Lock Project

Published:2013/2/19 20:04:00 Author:muriel | Keyword: Electronic Lock

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The detection and alarm device circuit with laser rod

Published:2013/2/19 1:00:00 Author:Ecco | Keyword: detection , alarm device, laser rod

Analog sound ICs form a receiving circuit, usually the laser emitted by laser rod is irradiated on photoresistor RG, RG shows low resistance, the transistor VT1 is cut-off because of base's low potential, then IC does not work, speaker Y does not emit sound. Once a person or object comes into the alert zone, RG resistance increases due to the less than light, VT1 base potential rises to get saturated conduction, then IC is energized.   (View)

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Programmable Digital Code Lock

Published:2013/2/18 21:14:00 Author:muriel | Keyword: Programmable, Digital , Code Lock

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Simple Low-Cost Digital Code Lock

Published:2013/2/18 21:14:00 Author:muriel | Keyword: Simple , Low-Cost, Digital Code Lock

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iButton electronic lock Circuit

Published:2013/2/18 21:11:00 Author:muriel | Keyword: iButton , electronic lock Circuit

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5 Digit Alarm Keypad circuit

Published:2013/2/18 21:10:00 Author:muriel | Keyword: 5 Digit , Alarm Keypad

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Electronic Locker

Published:2013/2/18 21:09:00 Author:muriel | Keyword: Electronic Locker

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CodeLock AVR electronic combination lock 11

Published:2013/2/18 21:07:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock

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CodeLock AVR electronic combination lock 10

Published:2013/2/18 21:07:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock

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CodeLock AVR electronic combination lock 9

Published:2013/2/18 21:06:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock

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CodeLock AVR electronic combination lock 8

Published:2013/2/18 21:06:00 Author:muriel | Keyword: CodeLock, AVR, electronic combination lock

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CodeLock AVR electronic combination lock 7

Published:2013/2/18 21:05:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock

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CodeLock AVR electronic combination lock 6

Published:2013/2/18 21:05:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock

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