smart irrigation using IOT - arduino , ubidots

1. Presenter: Ronald
Mutezo

2. Background
Project Objectives and Outcomes
Methodology
Design & Implementation
Results
Conclusion
Question and Answer Session

3.  Inspired by non technological advances in agriculture in my village
 Majority of villagers have access to mobile phone
 Internet access is via GSM, 3G and 4G on the roll out
 Internet has converged different industries and technologies
 Internet of Things : Kevin Ashton coined this phrase in 1998

4. Objectives:
 Internet of Things research
 Wireless Sensor Network research
 Develop IoT irrigation system
 Cost of smart irrigation implementing
Outcomes:
 Develop a proof of concept smart irrigation system
 Demonstrate IoT interaction with sensors in physical environment

5. Definition
 This term Internet of Things was first used by Kevin Ashton in 1999 during a
presentation he was giving, when he was describing a network in which objects
will be connected to the internet.
 Internet of Things (IoT) is the network of physical objects or “things” embedded
with electronics, software, sensors, and network connectivity, which enables these
objects to collect and exchange data
 In essence IoT has to do with communication and has three dimension: Any TIME,
any THING, and PLACE communication

6.  Methodology: Using the HYBRID approach
 PPDIOO and Agile
 Hardware for solution or proposal
 Feedback

7. IoT Architecture
 IoT is being a significant driver for growth in technology
 IEEE Standards Association (IEEE-SA) is working on a standard P2413 to
address compatibility issues
Reference Architecture of IoT

8.  To communicate real-time IoT is significate in IoT
 Several protocol for use in compact devices are used
Protocols
 Bluetooth
 ZigBee
 6LowPan
 IEEE 802.15.4
 CoAP
 In this project I used HTTP and MQTT connecting to Ubidots
 MQTT though more for constrained environments was harder to setup due to
compatibility issues
 Rest of testing was conducted on HTTP

9. Definition
 A group of researchers define it as ‘Wireless sensor networks (WSN) behave as a
digital skin, providing a virtual layer where the information about the physical
world can be accessed by any computational system.
Simplified WSN architecture

10. Microcontroller
With built in Wi-Fi
module
Battery pack: power for
microcontroller and
pump
IoT communication
Ubidots – Monitoring
Via internet
Ubidots – SMS gateway
Pump in water tank
Soil moistures
Watering hose

11. Whole system setup connected to Arduino

12. Read analog or digital signals as input from sensors
and converts it to an output
For example:
activating a motor or pump
turning LED lights on and off.
Functions are controlled by sending sets of
instructions to the microcontroller via the Arduino
IDE
More so, connect to the internet and many other
functions.
Arduino Uno R3

13. Soil Moisture Sensor used to detect amount of moisture
in soil.
The ones used are low tech for building prototypes and
small garden projects.
Sensor is compatible with Arduino
Can be used in other materials to measure moisture
content

14. Moisture sensor does not measures moisture but measures
conductivity or resistance in soil.
The two probes to pass current through the soil. It then reads
resistance in the soil.
Less moisture in soil equals higher resistance therefore dry
soil and more moisture less resistance.

15. Testing and implementation was more simultaneous
Testing the code to make sure it did not have errors
The Arduino IDE has a compiler that checks for syntax errors
Testing the pump, sensors and IoT platform

16. Moisture content in soil is less than 70%

17. After watering :
Moisture content reached threshold in soil.

18. Overview Testing View
Testing and Implementation bed
Results are viewed on com port
Results are realtime

19. Internet of Things Platform

22.  Positive outcome in project
 Hard work should be appreciated
 Even starting a commercial product using IoT

23.  Smart irrigation system proves to be effective with a real time feedback.
 Integrate other sensors