Dr Andrew Robinson, creator of the PiFace Control and DisplayPiFace Control and Display is visiting the element14 offices tomorrow and has kindly agreed to answer your questions about the PiFace DigitalPiFace Digital, Control and Display and also the Pi RackPi Rack. Don't miss this chance to ask a question of one of the luminaries of the Raspberry Pi movement. Ask your question in the comments below, tweet them to element14, post on our Facebook page or also on our Google+ page.
We'll post the answers here later this week.
