Being built on a solid technical foundation of the Zephyr™ RTOS, it's possible to make ZMK support a wide diversity of hardware targets.
That being said, there are currently only a few specific [boards](/docs/faq#what-is-a-board)/[shields](/docs/faq#what-is-a-shield) that have been written and tested by the ZMK contributors.
Until detailed documentation is available, feel free to ask questions about how these are supported in the [Discord server](https://zmkfirmware.dev/community/discord/invite).