diff --git a/version.cpp b/version.cpp
new file mode 100644
index 0000000..bd2cde7
--- /dev/null
+++ b/version.cpp
@@ -0,0 +1,4 @@
+#include "version.h"
+
+const char VERSION_STRING_PRIVATE [] PROGMEM = "R1.1.1";
+const char* const VERSION_STRING = VERSION_STRING_PRIVATE;
\ No newline at end of file
diff --git a/version.h b/version.h
new file mode 100644
index 0000000..9ce2cef
--- /dev/null
+++ b/version.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <avr/pgmspace.h>
+
+/*
+ * VERSION_STRING is a PROGMEM string, so extract it before use, e.g.
+ *      strncpy_P(char_buffer_out,VERSION_STRING,size_of_char_buffer_out);
+ */
+extern const char* const VERSION_STRING;
\ No newline at end of file