Internet of Things (IoT) is being touted as the next big thing after the WWW. Technologies are being developed rapidly to address this nascent space. This presentation is intended to get your started with IoT. We will cover the basics of what IoT means, see Arduino board in action and demonstrate sharing data on internet. A brief discussion on architectural aspects of IoT will also be covered.

1. Internet of Things (IoT)
for Developers

2. Agenda
•What is IoT, really
•First Look at Arduino
•Adding Sensors to Arduino
•Getting Data to the Cloud

3. Speakers
•Abhishek Kant •Vic Parmar
Abhishek.kant@telerik.com

4. A Telerik Survey
• The term ‘IoT’ is confusing
• It’s an exciting space but it’s hard to prepare for
• What’s working now?
• You can make money with the Internet of Things … in the
future
• Android and Java are particularly popular as a platform
and language
• Security and privacy are top challenges
http://www.telerik.com/blogs/what-developers-think-about-iot

5. What is IoT
•Devices that connect to one another & interact using
the internet

6. The Business of IoT
Idea Breadboarding Manufacturing
• Top Segments:
• Smart Home
• Wearables
• Sports/ Fitness
• Automotive
• Logistics
• Healthcare

7. The Wild West of IoT
•Devices:
• Arduino
• Raspberry Pi
• Intel Galileo/ Edison
• Tessel
• Spark
• Beagleboard
• …………..
• Communication
Protocol:
• HTTP
• Xbee
• MQTT
• BLE
• RFID

8. Arduino
•Simple Microcontroller
•Programmed in C (called
sketches)
•Arduino IDE
• Upload Sketch
• Serial Monitor
•Runs in a loop
Microcontroller ATmega328
Operating Voltage 5V
Input Voltage (limits) 6-20V
Digital I/O Pins
14 (of which 6 provide
PWM output)
Analog Input Pins 6
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin 50 mA
Flash Memory
32 KB (ATmega328) of
which 0.5 KB used by
bootloader
SRAM 2 KB (ATmega328)
EEPROM 1 KB (ATmega328)
Clock Speed 16 MHz

9. Anatomy of Sketch
•setup()
•loop()
•pinMode()
•digitalWrite()
•delay()
•Libraries

10. Blinky

11. Adding a Temperature Sensor
•DHT 11
• Simple Digital Temperature & Humidity
Sensor
•Hardware Fritzing
Diagram

12. My Digital Thermometer
Hardware + Sketch

13. IoT Architecture
Sensors
Arduino
Cloud
Gateway

14. Sending Readings to the CloudSensor
Sensor
Makes
Data
Available
Arduino
Sends data
over USB
serial
Gateway
Node App:
Reads data
from serial
& POSTs
Data to
Cloud

15. My Digital Thermometer – In
Cloud
Hardware + Sketch

16. Monitoring Temperature from Phone
Latest Temperature on Phone

17. Thanks
Abhishek.kant@telerik.com
Phone: +91-124-4300987/996

18. Raspberry Pi
•IoT Gateway
•Host Node
Applications