1. S MART W ATER LEVEL I NDICATOR Group members : Rabby Zaman - 14301143 Masnoon Nafees -13101173

2. FEATURES Measures water level using sonar sensor Sends data using rf transmitter Data receiving using rf receiver Automatically opens gate when water level is high

3. C OMPONENTS Arduino Uno RF Module Sonar Sensor 9v Battery Led

4. C IRCUIT SETUP Sensor & Transmitter Receiver

5. A CTIVITY -I 1. Sonar sensor detects water level 2. Arduino processes the data 3. RF-transmitter sends different data signals based on level 4. When level riches danger zone it turns on red led 5. Red led means water exit gates are open Sensor & Transmitter

6. A CTIVITY -II 1. RF-receiver receives data from transmitter 2. Indicates current water level 3. Generates messages based on setup 4. Informs whether the gate is open or closed Receiver

7. C HALLENGES Making sonar work inside a pipe Gsm-module did not work Editing Arduino library to let sonar & rf- transmitter work together Tuning the system Troubleshooting

8. W HY THIS DEVICE Got a digital brain Ease of programming and update Advanced communication feature Addition of temperature & humidity sensor gives weather update Can adopt distance controlling feature (gsrm module)

9. U SAGE Remote flood zones Non deep areas of river Tidal area Farm Kaptai or any other dam project

10. THANK YOU