In this case, [Tod] wanted to use a momentary tactile switch to turn something on and off. Instead of going with a microcontroller he built the circuit around a 555 timer.

K. Whittingham’s cunning push button circuit After I proposed: PIC reset and I/O on the same push-button? K. Wittingham responded: “Why not use a D-Flip Flop with the switch connected to clock, and ...

I am trying to design a little circuit to control a light. It is supposed to be a one-push-button affair, with a long push for something and a short push for something else. One crucial thing is, that ...

With an unlikely GFCI in the fan’s circuit main, this use of the ground wire could cause false tripping. Figure 2 This is the PCB layout for the circuit. Figure 3 Here is the completed board for this ...

[Victor] sends in this quick project on turning an Emergency Stop Push button into a ‘Build’ button. From the looks of it, this project uses a Teensy 2.0, which sports an ATMEGA32U4.

The push-button ignition is one of those buttons that doesn’t really add any new functionality over the thing it’s replacing (in this case, the ignition system that has you insert and turn a key).

The id.PUSH keyless ignition system is as easy as it gets: just push the button and go! This basic push-button system features a mechanical push-button start with LED halo lighting.