Extending Woodward's original "Flip ON Flop OFF" for AC voltages, switching power ON and OFF using a pushbutton or a ...

T4 applies V D across R5 and R6, which puts 10V at A, keeping T2 latched on, and switches T1 on draining C3’s charge through R2 and leaving 0V at the open PB switch ready for the shut off switch ...

You know them, you love them, you take them for granted – they are single push button on/off switches. As [Dino] explains in the most recent episode of his Hack a Week series, they are typica… ...

A common theme in modern consumer electronics is having a power button that can be tapped to turn the device on, but needs to be held down when it’s time to shut it off. [R. Jayapal] had noti… ...

After I proposed: PIC reset and I/O on the same push-button? K Wittingham responded: "Why not use a D-Flip Flop Switch connected to clock and via an RC to the Data input. Release switch quickly data ...