A simple push button circuit that connects the DC rail to the load when pressed once and disconnects it when pressed a second ...

Wow the engineering world with your unique design: Design Ideas Submission Guide Most of these designs have incorporated edge triggered flip/flops (e.g. the CD4013 ... this makes Figure 1’s use of ...

On a breadboard, no less. For a 1 Hz clock, [Easton] and his friend used a 4060 counter paired with a flip flop. This counts off 59 seconds until, with the help of an AND gate, the seconds counter ...