doc: add gif blink

README.md

@@ -9,6 +9,7 @@ Accessible from any device via a browser, it makes coding, electronics, and AI h
 
 ![Scratch for Arduion UNO Q](./doc/blink.png)
 
+<img src="./doc/blink.gif" alt="Blink matrix" width="300"/>
 ## Installation
 
 - Open the Arduino App lab and connect to your UNO Q board.
@@ -23,17 +24,6 @@ curl -sSL https://raw.githubusercontent.com/dido18/scratch-arduino-app/main/inst
 
 NOTE: the `https` is needed by the `getUserMedia()` method for security reason.
 
-## Screenshots
-
-Add the extensions for Arduino UNO Q.
-![Scratch UNO Q extensions](./doc/extensions.png)
-
-Use the matrix block to control the LED matrix.
-![Scratch Matrix](./doc/matrix.png)
-
-Uue the Modulino blocks to control the Modulino.
-![Scratch Modulino](./doc/modulino.png)
-
 ## Local development
 
 - `task scratch:init`