Gamepad Button & Analog Trigger Actuation Diagnostic Tool
Test face buttons, D-pad, shoulder bumpers, and analog triggers (LT/RT / L2/R2) on any controller. Measure trigger pressure linear response curves.
Controller Visualizer
Analog Sticks
Triggers
Vibration Test
Frequently Asked Questions (Gamepad Button & Analog Trigger Actuation Diagnostic Tool)
10-Item Technical FAQ & W3C Gamepad API Troubleshooting
What is a Gamepad Button & Trigger Test?
A comprehensive diagnostic tool auditing digital button state closures and analog trigger pressure percentages (0% to 100%).
How do analog triggers (LT/RT / L2/R2) work?
Analog triggers use Hall Effect or potentiometer sensors to measure physical travel depth, outputting continuous values from 0.0 to 1.0.
What causes analog triggers to not reach 100% full press?
Worn trigger stops, debris inside housing, or uncalibrated potentiometer springs prevent full 1.0 signal output.
What are digital hair-triggers in competitive gaming?
Hair-triggers convert analog travel into instant digital clicks (0.1mm activation depth) for faster firing in FPS games.
How do I test D-pad diagonal inputs (up-left, down-right)?
Press diagonal directions to verify simultaneous registration of two adjacent D-pad switches.
Can I test L3 and R3 stick click buttons?
Yes, press straight down on left or right analog sticks to test L3 and R3 switch actuation.
Does this button test work with generic USB Arcade Sticks and Racing Wheels?
Yes, any device implementing the W3C Gamepad Standard Mapping is supported.
How do I test controller haptic vibration rumble motors?
Click 'Test Haptic Motor' to trigger dual-rumble vibration effects on supported controllers.
Why does my trigger jump erratically from 0% to 100%?
Erratic jumps indicate dirty trigger potentiometers or broken sensor springs.
How do I export my controller button matrix health report?
Click 'Export Passport' to download a JSON report logging all button actuation states.