When 2,913 exhibitors and around 73,000 visitors from 88 different countries all get together you can be sure there’s lots to talk about and marvel at. From passive components via new types of special connectors and new sensors with pattern-recognition software the range of innovation was exhilarating. Here we present just a tiny selection of some of the intriguing items that caught our eye at the electronica trade show in Munich, Germany, last November.