Each key of a mechanical keyboard has a separate switch to control the closure, similar to the principle of metal contact switch to make the contacts on or off.
Mechanical Keyboard Switch as the core part of the mechanical keyboard, different switches bring different experience of the mechanical keyboard. Common Mechanical Keyboard Switches are categorized into Linear Switch and Tactile Switch.
Hot-swappable switches are switches that can be plugged in and out at any time. In order to meet the needs of players to replace the switch at any time, in the switch and PCB board to increase the hot-swappable switch seat, instead of the original switch and PCB connection, hot-swappable switch seat has its own three-hole or five-hole.
Different switch materials, pressure grams, touch, reaction degree is different, now most users will go DIY according to their favorite switch.