The author took a Raspberry Pi and basically added the camera module, display, etc to the doorbell to keep an eye on things. I like how it calls your phone when enabled.
http://hackaday.com/2015/02/22/raspberry-pi-doorbell-is-fully-featured/
The author took a Raspberry Pi and basically added the camera module, display, etc to the doorbell to keep an eye on things. I like how it calls your phone when enabled.
http://hackaday.com/2015/02/22/raspberry-pi-doorbell-is-fully-featured/