The ubiquitous 555 has yet another airing with this bistable using a simple push-button to provide a push-on, push-off action. It uses the same principle of the stored charge in a capacitor taking a ...

Stephen Woodward’s DI, “Flip ON Flop OFF” does a wonderful job for DC voltages. I thought of extending this idea to much-needed AC voltages, as all our gadgets work with AC voltages. Wow the ...