There’s a small AC-line device that has received a lot of favorable media coverage lately. It’s called Ting from Whisker Labs, Inc. and its purpose is to monitor the home AC line, Figure 1. It then ...

Let’s face it: every engineer with any hands-on experience has at least one tale of a challenging debug battle fought and eventually won (or at least presumed to have been won). This is the scenario ...

LEDs have come a very long way in performance and “comfort factor” in the past few decades for many good reasons. At the same time, the basic ac-line LED “supply” consisting of an ac/dc voltage-output ...