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CodeLock AVR electronic combination lock 5

Published:2013/2/18 21:04:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock

CodeLock AVR electronic combination lock 5
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CodeLock AVR electronic combination lock 4

Published:2013/2/18 21:04:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock

CodeLock AVR electronic combination lock 4
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CodeLock AVR electronic combination lock 3

Published:2013/2/18 21:03:00 Author:muriel | Keyword: CodeLock , AVR , electronic combination lock

CodeLock AVR electronic combination lock 3
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CodeLock AVR electronic combination lock 2

Published:2013/2/18 21:03:00 Author:muriel | Keyword: CodeLock, AVR , electronic combination lock

CodeLock AVR electronic combination lock 2
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CodeLock AVR electronic combination lock 1

Published:2013/2/18 21:02:00 Author:muriel | Keyword: CodeLock , AVR, electronic combination lock

CodeLock AVR electronic combination lock 1
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Simple electronic combination lock

Published:2013/2/18 21:01:00 Author:muriel | Keyword: Simple electronic , combination lock

Simple electronic combination lock
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Electronic Combination Lock 1

Published:2013/2/18 21:00:00 Author:muriel | Keyword: Electronic Combination Lock

Electronic Combination Lock 1
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Electronic Card-Lock System

Published:2013/2/18 20:59:00 Author:muriel | Keyword: Electronic Card-Lock System

Electronic Card-Lock System
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Digital Electronic Lock circuit

Published:2013/2/18 20:58:00 Author:muriel | Keyword: Digital Electronic , Lock circuit

Digital Electronic Lock circuit
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Electronic combination lock based on PIC 2

Published:2013/2/18 20:55:00 Author:muriel | Keyword: Electronic combination lock, PIC

Electronic combination lock based on PIC 2
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Electronic combination lock based on PIC

Published:2013/2/18 20:54:00 Author:muriel | Keyword: Electronic combination lock, PIC

Electronic combination lock based on PIC
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Digital Combination Lock circuit

Published:2013/2/18 20:53:00 Author:muriel | Keyword: Digital Combination, Lock circuit

Digital Combination Lock circuit
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Door lock opener

Published:2013/2/18 20:52:00 Author:muriel | Keyword: Door lock, opener

Door lock opener
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Multi-channel laser burglar alarm circuit

Published:2013/2/17 21:00:00 Author:Ecco | Keyword: Multi-channel laser, burglar alarm

Multi-channel laser burglar alarm circuit
VT1, VT2, RL1, RP1, R1, K and VD6 constitute light control switch, in the daytime, photoresistor RL1 is in a low resistance state, VT1 gets saturated conduction, VT2 is turned off, K relay is not energized, normally open contact J is in a disconnected state, the alarm circuit does not work; at night, RL1 becomes high impedance, VT1 is deadline, VT2 gets saturated conduction, K gets electrical to make J pull in, then the circuit supplies for the whole machine, red light-emitting diode is lit. (View)