diff --git a/README.md b/README.md
index 2a63ef4..34f581f 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,4 @@ The signal out from the analog internal CB SMeter end enter into first OPAmp (LM
 ## Notes
 The analog signal are not linear! Into the scketch find the **ranlg[]** and **rsign[]** array variables to set the relative values (Linear interpolation).
 
+![alt text](https://github.com/StarNiell/ESP32_SMeter/blob/main/Skecth_Notes.jpg?raw=true)