Yolla gets its energy from Gmail SMTP Server and fswebcam. Yolla is a very very simple security cam alternative written in Python. Open or create a mail address [from address] and allow 3rd party applications can use it. ( https://support.google.com/a/answer/6260879 ) Connect your webcam to your pc or RasPi and run the script. Install fswebcam It will took a photo and send to your [to address] within about 15 seconds. It's a base. You may modify it easily with any commands to do anything. Starting servo motors, opening water pumps, controlling lights, getting information about enviroment... anything. default command is: /./:yolla/./