DIY OpenPuck firmware enables Steam Controller to emulate other gamepads

By PulseAugur Editorial · [1 sources] · 2026-07-14 10:30

An enthusiast has developed an open-source firmware called OpenPuck that allows the Steam Controller to emulate various gamepads without relying on Steam Input. This DIY solution uses a microcontroller to translate controller data on-device, enabling emulation of Nintendo, PlayStation, and Xbox controller layouts. The OpenPuck firmware supports features like gyro and haptics for the Nintendo Switch and offers different modes accessible via a web configurator or button combinations, with claims of only 1ms latency. AI

RANK_REASON This is a third-party modification of an existing product, not a new product release from a major manufacturer.

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DIY OpenPuck firmware enables Steam Controller to emulate other gamepads

COVERAGE [1]

Tom's Hardware TIER_1 English(EN) · Hassam Nasir · 2026-07-14 10:30

Enthusiast reverse-engineers Steam Controller 2 puck, creates DIY 'OpenPuck' that works without Steam Input — custom firmware can emulate Nintendo, PlayStation, and Xbox controllers

OpenPuck is custom, open-source firmware that can turn a microcontroller into a DIY Steam Controller puck in minutes. You can then use your Steam Controller as a native Xbox, PlayStation or Switch controller without even having Steam open in the background.

COVERAGE [1]

Enthusiast reverse-engineers Steam Controller 2 puck, creates DIY 'OpenPuck' that works without Steam Input — custom firmware can emulate Nintendo, PlayStation, and Xbox controllers

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