Post : No secret knocks required at [Steve's] house - your subway pass will do
URL : http://hackaday.com/2012/08/22/no-secret-knocks-required-at-steves-house-your-subway-pass-will-do/
Posted : August 22, 2012 at 8:01 am
Author : Mike Nathan
Tags : arduino, door, lock, rfid
Categories : arduino hacks, home hacks

http://hackadaycom.files.wordpress.com/2012/08/rfid-door-lock.jpg

[Steve] is often host to all sorts of guests, and he was looking for an easy way to let his friends come and go as they please. After discovering that his front door came equipped with an electronic strike, he decided that an RFID reader (http://staticfree.info/projects/rfid_front_door/) would be a great means of controlling who was let in, and when.

Giving all your friends RFID cards and actually expecting that they carry them is a bit of a stretch, but lucky for [Steve] he lives near Boston, so the MBTA has him covered. Just about everyone in town has an RFID subway pass, which pretty much guarantees that [Steve's] cohorts will be carrying one when they swing by.

He crafted a stylish set of wooden boxes to contain both the RFID reader and the Arduino that controls the system, matching them to the Victorian styling of his home. A single button can control the setup, allowing him to add and remove cards from access lists without much fuss. For more granular control however, [Steve] can always tweak settings from the Arduino serial console.

The card system is both stylish and useful (http://www.flickr.com/photos/xxv/sets/72157630623535792/) - a combination that’s hard to beat.

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