WEBCAM
https://www.youtube.com/watch?v=FTCHnbRt7YE
http://blog.davidsingleton.org/raspberry-pi-timelapse-controller/
http://raspberrypi.stackexchange.com/questions/47708/setup-raspberry-pi-3-as-bluetooth-speaker
http://www.instructables.com/id/Turn-your-Raspberry-Pi-into-a-Portable-Bluetooth-A/