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| Epomaker HE75 V2 Creamy Jade Magnetic Switches |
Hall Effect magnetic switches technology overview and the optimal rapid trigger configuration guide for fixing keyboard sensitivity errors
Hall Effect (HE) magnetic switches have significantly changed the market for mechanical keyboards. Unlike standard mechanical switches where the circuit is closed by copper leaves bending to make contact, HE switches are made of magnets mounted to the switch stem and a sensor on the keyboard PCB that detects magnetic flux, thus they can have variable, adjustable actuation points via software.
However, the premier feature of this technology (Rapid Trigger) is a widely misunderstood concept, with users maxing out their sensitivity sliders and quickly running into massive double typing issues, micro stutters in FPS games and broken strafe mechanics.
The 0.1mm Trap why max sensitivity fails
When you first pull your premium HE board out of its box, the instinct is to push your actuation point and Rapid Trigger release to the limit at 0.1mm. Mathematically this is as fast as a key can be physically activated. Physics says otherwise.
The force involved in a bottomed out keystroke results in vibration traveling through the board. Even a tiny bit of spring chatter and reverberation will cause the sensor's magnetic flux threshold to be crossed twice in under a millisecond when your reset point is at 0.1mm. The computer sees this as two rapid key presses, and the effect in game is you stutter step, miss passwords.
The optimal configuration profile
To have the speed of magnetic switches without complete reliance on flawless mechanical reliability, you should separate your downstroke activation point and your upward trigger release threshold.
Typist's note: If you're typing long lines of code or dense reports on your gaming keyboard, configure Rapid Trigger profiles only for WASD keys and use a 1.5mm static actuation for alphanumeric keys.
1. The downstroke actuation 0.4mm 0.6mm Anchor point
The global downstroke actuation point should be set between 0.4mm 0.6mm. This provides a hair trigger experience for rapid reactions while still offering just enough resistance for rest strokes so that your fingers do not accidentally press down.
2. The Rapid Trigger Release 0.15mm 0.2mm range
This is the variable. You should set your continuous Rapid Trigger release sensitivity somewhere in the 0.15mm 0.2mm range. This means as soon as your finger leaves the key to counter strafe, it registers instantly, bypassing the static reset and triggering the stop gap while it's large enough to ignore spring chatter.
3. Bottom Deadzones
If supported by your peripheral's software, set a 0.2mm Bottom Deadzone. Smashing a key to the base plate will press it slightly into the casing. The Deadzone tells the sensor to ignore that final bit of travel so you're not triggering a rapid release.
