About the Talk
January 28, 2012 9:00 AM
Cal State FullertonCal State Fullerton
There are quite a few 3rd party devices that attach to a smartphone's 3.5 mm headphone jack, Square's Credit Card reader, being just one of them. In this session we will reveal the magic behind this cool innovative trick. Come to learn how it was done and how your mobile app too, could take advantage of the headphone jack.