Last month’s article discussed the state of building automation system (BAS) alarming in many buildings, and it’s not good. Building operators are far too often saturated with alarms, and the intended ...

Sometimes, the most unexpected detours lead to the most interesting discoveries. After a brief break, I found myself revisiting latching relays—not just as components, but as puzzles waiting to be ...

Single-coil latching relays find use in signal-routing, audio, and automotive systems. To maximize their usefulness and cut power consumption, these coil currents must flow in both directions. Current ...