diff --git a/cmake/pico_extras_import.cmake b/cmake/pico_extras_import.cmake
new file mode 100644
index 0000000..706add0
--- /dev/null
+++ b/cmake/pico_extras_import.cmake
@@ -0,0 +1,62 @@
+# This is a copy of <PICO_EXTRAS_PATH>/external/pico_extras_import.cmake
+
+# This can be dropped into an external project to help locate pico-extras
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_EXTRAS_PATH} AND (NOT PICO_EXTRAS_PATH))
+    set(PICO_EXTRAS_PATH $ENV{PICO_EXTRAS_PATH})
+    message("Using PICO_EXTRAS_PATH from environment ('${PICO_EXTRAS_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT))
+    set(PICO_EXTRAS_FETCH_FROM_GIT $ENV{PICO_EXTRAS_FETCH_FROM_GIT})
+    message("Using PICO_EXTRAS_FETCH_FROM_GIT from environment ('${PICO_EXTRAS_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT_PATH))
+    set(PICO_EXTRAS_FETCH_FROM_GIT_PATH $ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH})
+    message("Using PICO_EXTRAS_FETCH_FROM_GIT_PATH from environment ('${PICO_EXTRAS_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+if (NOT PICO_EXTRAS_PATH)
+    if (PICO_EXTRAS_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_EXTRAS_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        FetchContent_Declare(
+                PICO_EXTRAS
+                GIT_REPOSITORY https://github.com/raspberrypi/pico-extras
+                GIT_TAG master
+        )
+        if (NOT PICO_EXTRAS)
+            message("Downloading PICO EXTRAS")
+            FetchContent_Populate(PICO_EXTRAS)
+            set(PICO_EXTRAS_PATH ${PICO_EXTRAS_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        if (PICO_SDK_PATH AND EXISTS "${PICO_SDK_PATH}/../pico-extras")
+            set(PICO_EXTRAS_PATH ${PICO_SDK_PATH}/../pico-extras)
+            message("Defaulting PICO_EXTRAS_PATH as sibling of PICO_SDK_PATH: ${PICO_EXTRAS_PATH}")
+        else()
+            message(FATAL_ERROR
+                    "PICO EXTRAS location was not specified. Please set PICO_EXTRAS_PATH or set PICO_EXTRAS_FETCH_FROM_GIT to on to fetch from git."
+                    )
+        endif()
+    endif ()
+endif ()
+
+set(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" CACHE PATH "Path to the PICO EXTRAS")
+set(PICO_EXTRAS_FETCH_FROM_GIT "${PICO_EXTRAS_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO EXTRAS from git if not otherwise locatable")
+set(PICO_EXTRAS_FETCH_FROM_GIT_PATH "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download EXTRAS")
+
+get_filename_component(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_EXTRAS_PATH})
+    message(FATAL_ERROR "Directory '${PICO_EXTRAS_PATH}' not found")
+endif ()
+
+set(PICO_EXTRAS_PATH ${PICO_EXTRAS_PATH} CACHE PATH "Path to the PICO EXTRAS" FORCE)
+
+add_subdirectory(${PICO_EXTRAS_PATH} pico_extras)
\ No newline at end of file