1. Making Arduino talk with
Android using Amarino
Sudar Muthu (@sudarmuthu)
http://sudarmuthu.com
Research Engineer
Yahoo Labs
27-Nov-2010
Bangalore Open Hardware Meetup

2. Agenda
 What is Arduino?
 What is Android?
 What is Amarino?
 Connecting all 3 A’s
 Demo
 Questions

3. What is Arduino
 Open source Electronic prototyping
platform
 Includes both hardware and software
 http://www.arduino.cc/
Photo credit Arduino

4. What is Android
 Software stack for mobile phones
 Includes Operating system and apps
 Phones usually has compass,
accelerometer, GPS, Bluetooth etc
 http://developer.android.com

5. What is Amarino
 An Android app and Arudino library to
interface both
 Uses Bluetooth for interface
 Open source
 http://www.amarino-toolkit.net/

6. Connecting all 3 A’s
 Install Amarino app in Android
 Install library in Arduino
 Establish bluetooth connection
between Android and Arduino
 Your are done 

7. Arduino to Android
 Connect Bluetooth Rx to Tx of Arudino
 Connect Bluetooth Tx to Rx of Arudino
 Connect a LDR to Analog pin 5 of
Arudino using a resistor
 Connect the power and ground from
the Bluetooth shield with the Arudino
board

8. Demo – Sketch

9. Demo – Source Code
 Arduino code –
http://code.google.com/p/amarino/source
/browse/trunk/arduino_library/MeetAndro
id/examples/SensorGraphTutorial/Senso
rGraphTutorial.pde
 Android code -
http://code.google.com/p/amarino/source
/browse/#svn/trunk/amarino_examples/S
ensorGraph

10. Demo – Android

11. Questions?
Thank you