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1. Chillax 1.Lim Ree Ken 2.Hoe Ding Yang Presented by: SDG 11- Sustainable Cities and Communities SDG 13- Climate Action

2. Electric Solar panel and 12 V battery is added into Chiltax Mechanical Technology application we used: Electronic 1 2 3 Chiltax is added with Bluetooth motor Driver, Temperature and humanity sensor, switch ,LCD board and Arduino Nano Board DC Submersible Water Pump , PVC hose is used to pump water into the sprinkler

3. Problem Statement Hot Weather 01 Malaysia experiences a hot and humid equatorial climate throughout the year and El Niño. 02 This type of climate is known from the 0° to 10° N and 0° to 10° S latitude of the equator, including Malaysia. 03 According to the 2019 Meteorological Department Annual Report, the average temperature in 2019 was 27.63°C, 0.69°C higher than normal. What’re the effects? What're the effects? 01 Could not even have a great relaxing break at home during the hot afternoon. 02 Have a stifling uncomfortable sensation of the body and get a body sweat. Existing Solutions 01 Air conditioners - Expensive (initial purchase price & operating costs) high energy requirements. - Release of an excess of chlorofluorocarbons (CFCs) which causes global warming 02 Fans - Only speeds up the air movement in a room, sometimes makes us crazy

4. SOLUTION INTRODUCTION - A complete house cooling sprinkler system - Eco-friendly (relies on rainwater and solar energy) - Saves a lot of energy - Reduces devastating effects on the environment - An alternative cooling system for people who are unable to afford air-con

5. Project Operation Rain water is collected and stored in a container which is positioned at the end of the gutter. When ambient temperature is > 30°C, the temperature sensor detects it. Users can observe the ambient temperature via application. Continuously sprinkle the water until the room temperature < 30°C A reminder notification will be received when the water content in the container is < 100 ml. The relay lights up. Pump starts to pump water and triggering the sprinkler on the roof. The sprinkled water (not evaporated) flows through the gutter and return to the container, ready to be sprinkled. Users can shut down the whole system via application when it’s not be used. 1 2 3 4 5 6 7 8

6. - Employs the concept of evaporation cooling. - A concept whereby water molecules absorb heat at the surface and evaporate - The heat on the surface will be gradually removed and the surface temperature reduced. - By sprinkling the water on the roof, the water will absorb the heat on the roof and cool it. Solution Project Concept

7. DEMO

8. DESIGN & FEATURE Sprinkle water Connect to Kodular App Take a low-current control signal and then turn it into a higher- current signal that can drive a motor Used to absorb the sun’s rays and convert them into electricity Sprinkler HC 06 Bluetooth Module L298N Motor Driver Solar Panel

9. DESIGN & FEATURE Open-source microcontroller board that can be integrated into a variety of electronic projects Connect the sprinkler and water pump as a medium The prototyping donut board offers more solid/rugged prototyping where the components are going to be soldered onto the board. Arduino NANO Board PVC Hose Donut Board

10. DESIGN & FEATURE Pump water for the sprinkler Sense temperature and humidity Display the ambient room temperature Supplies electricity for the sprinkler to function DC Submersible Water Pump Temperature and Humidity Sensor LCD Display 12V Battery

11. COSTING Component Price Per Piece Pcs Total Price (RM) Sprinkler 9.50 1 9.50 HC 06 Bluetooth Module 8.50 1 8.50 L298N Motor Driver 4.90 1 4.90 Solar Panel 35.00 1 35.00 DC Submersible Water Pump 4.50 1 4.50 Temperature and Humidity Sensor 2.90 1 2.90 LCD Display 4.90 1 4.90

12. Component Price Per Piece Pcs Total Price (RM) 12V Battery 15.90 1 15.90 Arduino NANO Board 14.00 1 14.00 Donut Board 1.00 1 1.00 PVC Hose 1.00 1 1.00 Total Price (RM) 105.10 COSTING

13. Alternative Cooling System - Chiltax acts as an alternative cooling system for people who are unable to afford air-con Project Background Save Energy and Money - Chiltax requires only one payment of RM105 which is seven times cheaper than the purchase of an air-con without mentioning maintenance. - Relies on solar power Eco-friendly - Chiltax absolutely depends on natural resources we depend entirely on rainwater as a source of water and solar energy as a source of electrical power

14. Cools down body when hot weather Need to change batteries when power runs out Light and easy to bring wherever you like Do not harm the environment Advantages Disadvantages If the building is 2 floors and above , you have to use more than 1 Chiltax Advantages Disadvantages Cools down body when hot weather If there is no sunlight for many days, will cause Chilltax can’t operate as the lack of electricity. Light and easy to bring wherever you like Chillax is not suitable for flats and condominiums. Besides, if the house has a double floor it is needed to install two Chilltax . Do not harm the environment Pros and Cons

15. Future Improvement(Penambahbaikan) 1) Wifi Connection Change the Bluetooth connection between the hardware and the app to wifi connection so that the user can control and receive data when they are out of the house 2) Install a switch Install a switch in the system to allow users can use Chiltax without using a phone control 3) Mosquito and insect repeller Hot Endless absolutely depends on natural resources we depend entirely on rainwater as a source of water and solar energy as a source of electrical power

16. FINISHED PRODUCT

17. Pictures Goofy aha

18. CONCLUSION With Chiltax … 01 People feel more comfortable during hot weather without paying a lot of money (exp. Using Aircon) 02 Saving energy and reducing pollution

19. Thank You!