Interesting build for a smartphone connected door lock

Its using a pretty intense servo.  They have a wooden version of the deadbolt to servo device too.  It uses a raspberry pi for the controller.  I wonder why not a RPi Zero instead.  The comm’s is blynk between the phone and RPi.

https://hackaday.io/project/19478-smartphone-connected-home-door-lock

Oh found the instructables article for it too

http://www.instructables.com/id/Raspberry-Pi-Smart-Phone-Connected-Door-Lock/?ALLSTEPS

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