diff --git a/README.md b/README.md
new file mode 100644
index 0000000..142c1bd
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+NOTE: Not actively maintained.  Reference the 'ubitx-iop' and 'ubitx-v5d' repositories.  As best I can recall, this repository was intended to merge those two projects together, since they are really not separable from each other.