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For other uses, see Switch (disambiguation).   Types of
switch[edit]  An example of a single switch A foot switch
Switches come in a variety of shapes and sizes depending on the
action used to activate them (such as sip-puff, pushing,
pulling, pressing, blinking or squeezing). Switches also vary in
their colour and aesthetics. For push or press switches, the
amount of force required to operate them varies or in some cases
can be adjusted. Some switches may only require a touch (not
even a press), some may be designed to be kicked. A switch can
be operated by almost any body part that is able to produce
consistent and voluntary movement.  Connecting a switch[edit]  A
switch cannot be plugged directly into a computer. Instead a
Switch Interface is required to bridge the gap between the
switch and the computer's USB, serial, or PS/2 port.  What can
be accomplished with a switch[edit]  Switches can