# Supported Hardware Pretty much any nrf52840 that you can load an arduino sketch onto. E.g. * [SEEED XIA0 nrf52840](https://shop.pimoroni.com/products/seeed-xiao-ble-nrf52840-supports-arduino-micropython-bluetooth5-0-with-onboard-antenna). Super small - will take a lipo if you solder onto the back batt pins * [Adafruit nrf52840 express](https://shop.pimoroni.com/products/adafruit-feather-nrf52840-express). A great develeopment board. Has a spare button for you to use as either a pairing button or sending button. * [Adafruit itsybitsy nrf52840](https://shop.pimoroni.com/products/adafruit-itsybitsy-nrf52840-express-bluetooth-le). Same as the feather - but smaller and slight less flashy And for the dongle * This is nice as its all in one piece. [nrf52840 USB key](https://thepihut.com/products/nrf52840-usb-key-with-tinyuf2-bootloader-bluetooth-low-energy-mdbt50q-rx) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.acecentre.org.uk/products/open-wireless-switch-ows/supported-hardware.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.