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switch [2006/03/21 20:43] 5meo-geo created |
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+ | ====== Switch ====== | ||
+ | ===== Introduction ===== | ||
+ | |||
+ | A switch is a small lever or button. It's an electrical device having at least **two states**, ON (the closed state) or OFF (the open state). | ||
+ | |||
+ | Ideally, a switch device has zero impedance when closed and infinite impedance when open. The switches on the back of printers and on expansion boards are called DIP switches. | ||
+ | |||
+ | A switch that has just two positions is called a toggle switch.A "click switch" is called SPST switch. | ||
+ | |||
+ | {{ ::neonking:switches.jpg?direct |}} | ||
+ | |||
+ | ===== Some Refs? ===== | ||
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+ | There is thousands of switches, describing them here would be impossible. | ||
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+ | You should have a look to <wrap info>[[parts_faq#what_kind_of_switches_do_i_need|Switch Choosing Guide]]</wrap> | ||
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+ | ===== Connection ===== | ||
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+ | {{ :neonking:encoder-switch-din.jpg?direct&600 |}} | ||
+ | \\ | ||
+ | \\ | ||
+ | ==== Matrix Design ==== | ||
+ | \\ | ||
+ | {{ :neonking:switchmatrix.jpg?direct&800 |}} |