Making Arduino talk with Android using Amarino

Sudar Muthu (@sudarmuthu)http://sudarmuthu.com

Research EngineerYahoo Labs27-Nov-2010Bangalore Open Hardware Meetup

AgendaWhat is Arduino?What is Android?What is Amarino?Connecting all 3 A’sDemoQuestions

What is ArduinoOpen source Electronic

prototyping platformIncludes both hardware and

softwarehttp://www.arduino.cc/

Photo credit Arduino team

What is AndroidSoftware stack for mobile phonesIncludes Operating system and

appsPhones usually has compass,

accelerometer, GPS, Bluetooth etc

http://developer.android.com

What is AmarinoAn Android app and Arudino

library to interface bothUses Bluetooth for interfaceOpen sourcehttp://www.amarino-toolkit.net/

Connecting all 3 A’sInstall Amarino app in AndroidInstall library in ArduinoEstablish bluetooth connection

between Android and ArduinoYour are done

Arduino to AndroidConnect Bluetooth Rx to Tx of

ArudinoConnect Bluetooth Tx to Rx of

ArudinoConnect a LDR to Analog pin 5 of

Arudino using a resistorConnect the power and ground

from the Bluetooth shield with the Arudino board

Demo – Sketch

Demo – Source CodeArduino code –

http://code.google.com/p/amarino/source/browse/trunk/arduino_library/MeetAndroid/examples/SensorGraphTutorial/SensorGraphTutorial.pde

Android code - http://code.google.com/p/amarino/source/browse/#svn/trunk/amarino_examples/SensorGraph

Demo – Android

Questions?

Thank you