Encoder Hardware Diagnostics
Mouse Scroll Wheel & Encoder Test
Test your mouse scroll wheel for erratic reverse scrolling (a common failure where scrolling down occasionally jumps upward due to dust inside the rotary encoder).
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Scroll Up or Down Here
Hover inside and rotate your mouse scroll wheel
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Scroll Up Steps
0
Positive delta Y
Scroll Down Steps
0
Negative delta Y
Erratic Reverse Jumps
0
Inverted encoder delta events
Recent Wheel Delta Events
Scroll events will appear here...