The venerable Stephen Woodward recently published the design idea (DI) “Flip ON flop OFF” that converts a momentary push button to a classic push-on, push-off switch. Figure 1 is an attempt to go ...

When I was a kid, nearly everything had a clear and simple way to turn it off. Switches flipped down to cut the power, and knobs clicked off when turned all the way to the left. You always knew if ...