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hysteresis

Sam ChenFebruary 11, 2017

Hysteresis in mechanical keyswitches occurs when the reset point on the switch is higher than the actuation point. For example, the Cherry MX Blue switch actuates at around 2.5mm from the top, but its reset point is only 1.5mm from the top. This means that the user would have to release the key beyond the actuation point before another keypress can be registered. Hysteresis is one of the main reason why many gamers prefer linear switches since the reset point is almost exactly where the actuation point is.

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Sam Chen
Hardware and Technology Enthusiast. SSD Evangelist. Editor-in-Chief.