Published:2013/2/24 20:04:00 Author:muriel | Keyword: FINGER TOUCH, ACTIVATED SWITCH
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Published:2013/2/20 21:00:00 Author:muriel | Keyword: CIRCUIT PROTECTS, BATTERY POLARITY REVERSAL
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Published:2013/2/20 20:46:00 Author:muriel | Keyword: REVERSED BATTERY , POLARITY PROTECTION CIRCUIT
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Published:2013/2/19 20:53:00 Author:muriel | Keyword: Typical Adaptive Gate drive , low-high transition
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Published:2013/2/19 20:52:00 Author:muriel | Keyword: Drive Equivalent Circuit
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Published:2013/2/19 20:48:00 Author:muriel | Keyword: modern semiconductor switch
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Published:2013/2/19 20:47:00 Author:muriel | Keyword: 4 Input Transistor, Control
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Published:2013/2/19 20:04:00 Author:muriel | Keyword: Electronic Lock
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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.
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Published:2013/2/18 21:14:00 Author:muriel | Keyword: Programmable, Digital , Code Lock
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Published:2013/2/18 21:14:00 Author:muriel | Keyword: Simple , Low-Cost, Digital Code Lock
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Published:2013/2/18 21:11:00 Author:muriel | Keyword: iButton , electronic lock Circuit
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Published:2013/2/18 21:10:00 Author:muriel | Keyword: 5 Digit , Alarm Keypad
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Published:2013/2/18 21:09:00 Author:muriel | Keyword: Electronic Locker
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Published:2013/2/18 21:07:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock
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Published:2013/2/18 21:07:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock
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Published:2013/2/18 21:06:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock
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Published:2013/2/18 21:06:00 Author:muriel | Keyword: CodeLock, AVR, electronic combination lock
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Published:2013/2/18 21:05:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock
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Published:2013/2/18 21:05:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock
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