diff --git a/wiki/hw-1.0.md b/wiki/hw-1.0.md
index 96b0d8a9..80c19565 100644
--- a/wiki/hw-1.0.md
+++ b/wiki/hw-1.0.md
@@ -19,3 +19,4 @@
 
 after many experiments we found good schematic solution for work with RFID and auxiliary follow iButton level (for non-TTL protocol like Cyphral)
 
+![new RFID + iButton schematic](new-rfid-ibutton-sch.png)
diff --git a/wiki/new-rfid-ibutton-sch.png b/wiki/new-rfid-ibutton-sch.png
new file mode 100644
index 00000000..87f360f6
Binary files /dev/null and b/wiki/new-rfid-ibutton-sch.png differ