Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/19U1PGD. Romilly Cocking explains how to make Pi interact with the outside world, from flashing LEDs to autonomous robots, with examples of how to connect to lights, motors, and sensors.Filmed at qconlondon.com. Romilly Cocking is a member of the Highgate Guild of Software practitioners. He consults best practices for Agile Development, team dynamics, domain specific languages, code generation, tools to aid thinking and decision making (Mind Maps, Topic Maps etc.), metacognition (Thinking about Thinking) and computer-assisted learning. Twitter: @romillyc