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==Hardware== There are 3 components to a doorlock system: # A code entry box (physical hardware) # Security controller (computer) (we already have minotaur which controls the doorlatch) # Electronic doorlatch (i.e. buzzer [may be silent]) Commercial door control systems usually have a central controller which is physically located inside the building and cannot be accessed from the entry box. The code entry box is connected to the controller via hard wires (usually serial). The controller can activate the doorlatch via the existing [[Getting In | Noisegate]] relay. ===Potential Products=== *Jake has volunteered to design and make serially-accessed codepads, one for the gate and one for inside. *[https://web.archive.org/web/20150912061659/https://www.noisebridge.net/pipermail/noisebridge-discuss/2012-February/028485.html The fucking doorkeypad is finished] *[http://www.hidglobal.com/prod_detail.php?prod_id=8 HID prox reader] - Supports RS422 and Wiegand *[http://www.hidglobal.com/prod_detail.php?prod_id=347 HID keypad with 125KHz (prox) + 13.56MHz (iClass)] - Only supports Wiegand *Will may need a Wiegand interface: ** http://en.wikipedia.org/wiki/Wiegand_interface ** Cost is about $100-150 *Talked to [http://www.sanfordpc.com/ Terry] tonight who says he has a friend who has a bunch of access system gear that we could get donated. linuxman2001@gmail -- [[User:Hurtstotouchfire]] ===Implementation Considerations=== *Should we buy or build the controller? *Shannon wants to replace the current keypad system with something fancy *Jake thinks we should just add the keypad onto the gate with U-bolts **we would need to talk to the landlord to do this (unless we can do it without drilling?) **at present, we plan to just add an additional keypad and only replace the button system if the keypad is successful
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