diff --git a/README.md b/README.md
index 4af1abe..62f7cdd 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,11 @@ to your WiFi Preshared Key (often just referred to as Passphrase) and the WiFi S
 
 Then, the whole project can be uploaded by pressing on the upload button (arrow pointing to the right)
 
+## Librarys used
+**epdpaint.h**, **epd2in7.h** by Yehui from Waveshare
+**fonts.h** by MCD Application Team; COPYRIGHT(c) 2014 STMicroelectronics
+...and many librarys of the Arduino Project (e.g **Arduino.h**), and others (e.g. **stdint.h**)
+
 # License
 This is free and unencumbered software released into the public domain.