/challenges-projects/element14-presents/b/blog/posts/how-to-build-an-arduino-love-testerwww.youtube.com/watch I'm a bit of a sucker for retro electronic novelties, and one of the most prolific is the "love tester" device that--in various forms--hearkens back to the early 20th century and the heyday of the penny arcade. Thes...en-USTelligent Community 12