SWALVE - SMART WATER VALVE APP

Each of us can save water at our homes. To do so on daily basis, there is an app controlling a water valve. Also, the app inhabits a chatbot giving user tips for saving water and prevent water crisis.

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Inspiration

This has happened to all of us. One day you went to work (or worse you went for a one week vacation), and suddenly realized that you forgot to turn OFF the tap of your kitchen! So let's see how much water will be wasted. In a country like US, average water flow rate from kitchen faucet is 2 - 3 gallon per minute! So you can imagine how much water will be wasted ! World is already facing a water crisis and leaving taps on like this will neither be good for the world, nor for your pocket ! Thus we came up with a solution for this problem...The SWALVE!

What it does

SWALVE - Smart Water Valve is an IOT based water valve which can be operated remotely via a mobile app! If you leave a tap open for more than 10 minutes, you will get a notification in your phone and you can switch OFF the water flow from your tap just by pressing a button! It also contains a chatbot called Poseidon whom you can chat with regarding what you can do to save water.

How we built it

SWALVE has 3 parts, hardware, software and non technical. For hardware we used nodemcu, relay module and solenoid valve. We coded them in arduino ide. We built mock UI for the app using Figma. We built the app using flutter in the frontend and Node.js in the backend. We used Dialog-flow api for training the chatbot. We conducted a survey for finding out how much people are aware of water crisis and how many times they forget to turn off their water tap using google forms and also prepared a business model

Challenges we ran into

While connecting hardware, we faced a lot of challenges. We planned on using firebase as our backend but it didn't work properly so we had to find alternate routes.

Accomplishments that we're proud of

For this project we didn't completely focus on the technical side nor completely on the non technical side. We worked on both and on diverse fields. We are really proud of the fact that we worked outside our comfort zones

What we learned

We learned time management, how to turn up a lot of work in a short period of time. We learnt how to incorporate both technical and non technical aspects in a project.

What's next for Smart Water Valve App

We will complete the app by adding sign-in features so that users can have their own account. We will test with different types of solenoid valve to find the most cost affective one. Also, we will continue our survey and work on our chatbot

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