“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 further still in terms of economy. The circuit shown in Figure 1 utilizes ...

Or perhaps you just want to use a shiny modern push-button rather than a toggle/rocker ... to deliver power to both the downstream circuitry and Q2, latching both transistors on. Holding the button ...

Every so often, a new car will come out with fancy, seemingly new technology that, in reality, was already attempted in the '30s, '40s, or '50s. Take the push-button door handles from the Lincoln ...