diff --git a/README.md b/README.md
index e6f5e9d..df81f9c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 # HCTL2022_Arduino
 Class used to communicate with the quadrature decoder/ counter interface HCTL
 
+![schematic](https://user-images.githubusercontent.com/37436664/44233017-032fb700-a1a3-11e8-9709-fade4c963d3a.PNG)
+
 repository in construction ...