diff --git a/README.md b/README.md
index 6f9cfd6..016c506 100644
--- a/README.md
+++ b/README.md
@@ -62,3 +62,5 @@ GPIO to power the HHKB Pro2 daughter board.
 ![connector](./docs/images/connector.jpg)
 
 ![board](./docs/images/board.jpg)
+
+![schematics](./docs/images/hhkb_nicenano_v2_Schematics.png)
diff --git a/docs/images/hhkb_nicenano_v2_Schematics.png b/docs/images/hhkb_nicenano_v2_Schematics.png
new file mode 100644
index 0000000..1d67c81
Binary files /dev/null and b/docs/images/hhkb_nicenano_v2_Schematics.png differ