diff --git a/ports/rp2/boards/WAVESHARE_RP2040_PLUS/README.md b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/README.md
new file mode 100644
index 0000000000000..b5716a82a6305
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/README.md
@@ -0,0 +1,22 @@
+# 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.
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_PLUS/board.json b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/board.json
new file mode 100644
index 0000000000000..a8efd6be8c7a0
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+++ b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/board.json
@@ -0,0 +1,25 @@
+{
+ "deploy": [
+ "../deploy.md"
+ ],
+ "docs": "",
+ "features": [
+ "Breadboard Friendly",
+ "Castellated Pads",
+ "SPI Flash",
+ "USB-C"
+ ],
+ "id": "rp2-waveshare-rp2040-plus",
+ "images": [
+ "rp2040-plus-1_5.jpg"
+ ],
+ "mcu": "rp2040",
+ "product": "RP2040 Plus",
+ "thumbnail": "",
+ "url": "https://www.waveshare.com/rp2040-plus.htm",
+ "variants": {
+ "flash_4mb": "4 MiB Flash",
+ "flash_16mb": "16 MiB Flash"
+ },
+ "vendor": "Waveshare"
+}
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.cmake b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.cmake
new file mode 100644
index 0000000000000..66161c0bdbdd0
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.cmake
@@ -0,0 +1,11 @@
+# CMake file for Waveshare RP2040-Plus boards
+
+# Provide different variants for the downloads page
+set(BOARD_VARIANTS "flash_4mb flash_16mb")
+
+# Select the 4MB variant as the default
+set(PICO_BOARD "waveshare_rp2040_plus_4mb")
+
+if("${BOARD_VARIANT}" STREQUAL "flash_16mb")
+set(PICO_BOARD "waveshare_rp2040_plus_16mb")
+endif()
diff --git a/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.h b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.h
new file mode 100644
index 0000000000000..321ff071be6a4
--- /dev/null
+++ b/ports/rp2/boards/WAVESHARE_RP2040_PLUS/mpconfigboard.h
@@ -0,0 +1,4 @@
+#define MICROPY_HW_BOARD_NAME "Waveshare RP2040-Plus"
+
+// Allow 1MB for the firmware image itself, allocate the remainder to the filesystem
+#define MICROPY_HW_FLASH_STORAGE_BYTES (PICO_FLASH_SIZE_BYTES - (640 * 1024))
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