However once the lock is locked by using your smart phone a small barrier rises to block the door from opening.
How to make your own smart door lock.
You can purchase a smart lock that you control with your phone easily enough but it s much more fun to actually make one yourself.
Make your own smart door lock.
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This tutorial will show you how to use a arduino with a rc522 rfid card reader to make a keyless entry door lock system.
Youtubers hacker house make one with a raspberry pi.
Andrew ong 492 307 views.
Ti offers a smart door lock reference design that enables 5 years battery life on 4x aa batteries.
Here are two reference designs that let you create your own smart door locks that are wireless run off batteries and offer a good battery life.