diff --git a/README.md b/README.md
index 34643f9..563e2b4 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,9 @@ Download library dependencies for Library Manager:
+If you are using Arduino Mega 2560 with Dragino Yun shield:
+* add Dragino Yuno + Mega 2560 board to Arduino IDE
+
### Start coding your own prop
Add `#include "ArduinoProps.h"` on top of your sketch and start coding.
@@ -213,6 +216,8 @@ In escape room 2.0, prop are usually powered by Arduino Yun or Arduino Mega 2560
Arduino Mega 2560 + Dragino Yun shield offers much more memory and many more pins thann an Arduino Yun for same price.
+See Dragino Yun Shield Wiki.
+
## 7. Advantages of the *ArduinoProps library*
You can build escape room 2.0 Arduino-based prop just with Nick O'Leary PubSubClient library for MQTT.