12 x 12mm x 7.5mm Push Button available in 5 colors Red, Black, Green, White, Yellow. These are high quality 12mm square momentary buttons. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). These button are great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!
General purpose PCB tactile pushbutton 12x12mm, button height approx 8mm. The button color may differ from the image.
Switches don’t require any fancy equations to evaluate. All they do is select between an open circuit and a short circuit. Simple. But how could we live without buttons and switches!? What good is a blinky circuit with no user input? Or a deadly robot with no kill switch? What would our world be without with big red buttons you should never, ever press.
What is a Switch?
A switch is a component which controls the open-ness or closed-ness of an electric circuit. They allow control over current flow in a circuit (without having to actually get in there and manually cut or splice the wires). Switches are critical components in any circuit which requires user interaction or control.A switch can only exist in one of two states: open or closed. In the off state, a switch looks like an open gap in the circuit. This, in effect, looks like an open circuit, preventing current from flowing.In the on state, a switch acts just like a piece of perfectly-conducting wire. A short. This closes the circuit,
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