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Rfid Video 6 prototype locking system putting together a simple NE555 timer to hold the lock

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Uploaded by on May 19, 2009

This is a simple timer circuit so that when the timer has been triggered it will hold the unlock state for a preset time period, instead of locking as soon as the rfid tag is removed...

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Science & Technology

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Standard YouTube License

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  • This may also work with a peak detector circuit. -=]

    /watch?v=ic_yEUV7Y3c

  • good!

  • wha?

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