Engineering Blog

Technical deep dives into PlayStation controller hardware and WebHID technology.

Potentiometer
Hardware Science

Stick Drift Physics: Why Software Fixes Fail?

Scientific analysis of Potentiometer internals (Wiper & Carbon Track) and why NVS Calibration is the only permanent solution.

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WebHID
WebHID API

WebHID Tech: How Browsers Talk to USB?

A developer's guide to driverless USB access in Chrome, explaining navigator.hid functions and security sandboxing.

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Circularity
Data Analysis

Detecting Fake Controllers with Data

How to use Circularity Algorithms to spot High Copy controllers? Comparing error rates between Original Sony and Fakes.

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Battery
Electrical Engineering

DualSense Battery: Power Analysis

Technical guide to charge cycles and mAh consumption of Haptics vs Microphone. How to extend your controller lifespan.

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