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obono · Dec 8, 2017 · 1efef87 · 1efef87
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 # Arduboy Utility
+This is an android application to upload Flash image data to Arduboy. \
+https://play.google.com/store/apps/details?id=com.obnsoft.arduboyutil \
+![picture](https://obono.github.io/ArduboyUtility/img/picture.jpg)
+
+## Functions
+ - Upload Flash or/and EEPROM to Arduboy.
+ - Backup Flash or/and EEPROM from Arduboy.
+ - Serial monitor.
+ - Decode screen image from memory dump through serial monitor.
+
+## How to use
+ - Assumption: your Android device has the capability of USB host and you have a USB OTG cable.
+ - Connect Arduboy and Android device like following: \
+   ![connection image](https://obono.github.io/ArduboyUtility/img/connection.png)
+ - If confirm dialog is appeared when Arduboy is connected, check "Use by default for this USB device".
 
 ## Acknowledgement
 

diff --git a/docs/img/connection.png b/docs/img/connection.png
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