The resources that come to mind are actually all videos of Defcon talks by the same person (Major Malfunction aka Adam Laurie). They are pretty old now, but still interesting.
Infrared Hacking: https://www.youtube.com/watch?v=61Fo-zg-DqI
Magstripe Hacking: https://www.youtube.com/watch?v=ITihB1c3dHw
Satellite Hacking: https://www.youtube.com/watch?v=PyXZX63etog
These all hit the sweet spot for me of technologies we use all the time but don't really consider the security implications.