diff --git a/Readme.md b/Readme.md
index c0d492a..f3afe06 100644
--- a/Readme.md
+++ b/Readme.md
@@ -55,4 +55,6 @@ The following pins are used:
 * some wire
 
 # Sources
-* [https://github.com/amkuipers/witty Witty pinout]
\ No newline at end of file
+For the Witty board
+* [https://github.com/amkuipers/witty Witty pinout]
+* [https://arduino.ua/products_pictures/large_AOC361-5.jpg Schematics]