# Waveshare RP2040-Plus The Waveshare RP2040-Plus Board is based on the Raspberry Pi RP2040 and can be purchased with 4/16 MiB of flash. These boards are available from a number of resellers Waveshare maintain the [Wiki:RP2040-Plus](https://www.waveshare.com/wiki/RP2040-Plus) Wiki containing information on the board. ## Build notes Builds can be configured with the `BOARD_VARIANT` parameter. Valid variants can be displayed with the `query-variant` target. An example: ```bash > cd ports/rp2 > make BOARD=WAVESHARE_RP2040_PLUS query-variants VARIANTS: flash_4mb flash_16mb > make BOARD=WAVESHARE_RP2040_PLUS BOARD_VARIANT=flash_16mb submodules all # Build the 16 MiB variant ``` `flash_4mb` is the default if `BOARD_VARIANT` is not supplied.