Connecting Arduino and Android

Feb 28, 20141 like2,836 views

This document provides an overview of connecting Arduino devices to Android via USB, NFC, and WiFi. It begins with an introduction to Arduino and its open source hardware platform. It then covers Google's Open Accessory Protocol for USB communication between Android and third party devices. Next, it discusses using NFC for two-way communication between devices via tag reading/writing, Android Beam, and card emulation. Finally, it presents using the Arduino Yun and its OpenWrt component to enable WiFi connectivity. Demos are provided for various connectivity methods.

Arduino & Android
Michał Tuszyński, iOS/Android Developer
twitter, github: @srgtuszy

Roadmap
1. Arduino primer
2. USB
3. NFC
4. WIFI

Arduino Primer

Arduino is an open source hardware
prototyping platform

Arduino Primer
What makes it special?
•

Easiness to use

•

Modularity

•

Awesome community support

Open Accessory Protocol

Google’s protocol for usb communication with
third party devices

Open Accessory Protocol

How does USB work?

Open Accessory Protocol
How does USB work?

•
•

Host
Slave

Open Accessory Protocol
How does USB work?
•

Host

- Is the power source
- Keeps track of connected devices
- Initiates the data transfer

•

Slave

- Communicates with host via
endpoints
- Can draw power from host
- Describes it’s protocols &
capabilities to the host

Open Accessory Protocol

Using your app with accessory

Open Accessory Protocol

Accessory Permissions

Open Accessory Protocol
The easy way

Raspberry Pi + powered usb hub + adb

Open Accessory Protocol
The easy way

adb shell
am start -a pl.myapp.action.DO_SOMETHING

NFC

Builds upon RFID system by allowing
two-way communication between endpoints

NFC
How does RFID work?

Energy

Reader

Data

Tag

NFC

1. Tag reader/writer
2. P2P (Android Beam)
3. Card Emulation

NFC
Android Beam

•
•

Uses Bluetooth for ﬁle processing
On Samsung, it’s called S Beam

NFC
Card Emulation

- With Secure Element
- Without Secure Element

Thank You!
Michał Tuszyński, iOS/Android Developer
Twitter, Github: @srgtuszy

This document discusses various projects that combine Arduino and Android capabilities. It provides examples of using Arduino for tasks like receiving SMS messages and displaying them on an LCD screen, building robots controlled by an Android phone via Bluetooth, and creating a Bluetooth-enabled alcohol meter for an Android phone. It also lists some other possibilities like an emergency call system triggered by a car crash or using an Android phone to control TV channels via infrared signals sent from an Arduino.

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Connecting Arduino and Android

1. Arduino & Android Michał Tuszyński, iOS/Android Developer twitter, github: @srgtuszy

2. Roadmap 1. Arduino primer 2. USB 3. NFC 4. WIFI

3. Arduino Primer Arduino is an open source hardware prototyping platform

4. Arduino Primer What makes it special? • Easiness to use • Modularity • Awesome community support

5. Open Accessory Protocol Google’s protocol for usb communication with third party devices

6. Open Accessory Protocol How does USB work?

7. Open Accessory Protocol How does USB work? • • Host Slave

8. Open Accessory Protocol How does USB work? • Host - Is the power source - Keeps track of connected devices - Initiates the data transfer • Slave - Communicates with host via endpoints - Can draw power from host - Describes it’s protocols & capabilities to the host

9. Open Accessory Protocol How does USB work?

10. Open Accessory Protocol Using your app with accessory

11. Open Accessory Protocol

12. Open Accessory Protocol

13. Open Accessory Protocol Accessory Permissions

14. Open Accessory Protocol Accessory Permissions

15. Open Accessory Protocol The easy way Raspberry Pi + powered usb hub + adb

16. Open Accessory Protocol The easy way adb shell am start -a pl.myapp.action.DO_SOMETHING

17. Accessory Demo

18. NFC

19. NFC Builds upon RFID system by allowing two-way communication between endpoints

20. NFC How does RFID work? Energy Reader Data Tag