We hacked together an automatic door opening system controllable via smartphone that notifies you on ringing and sends a video, then opens the doors on button p

We hacked together an automatic door opening system controllable via smartphone that notifies you on ringing and sends a video, then opens the doors on button press with a Lego contraption [1]. [1]: https://www.reddit.com/r/raspberry_pi/comments/bwdv36/a_smartphone_door_control_system_hacked_together/ https://www.reddit.com/r/raspberry_pi/comments/bwdv36/a_smar...