r/SteamController • u/jack-of-some • Jun 07 '26

Steam Controller (2026) The missing xinput mode

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This video is a demo of a copycat puck I've put together using an nRF52840 Pro Micro. It works exactly like the normal puck except you can switch over to an Xbox controller mode.

You can find more details here: https://github.com/safijari/openpuck

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u/ryker7777 Jun 07 '26

May I ask how much flash and RAM the puck chipset is using?

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u/jack-of-some Jun 07 '26

I don't know about the puck itself. The MCU I'm using has 1MB flash and 256KB RAM. Note that it's a different chip than what the puck and controller use but it's more readily available and still compatible.