🚰 Smart Wireless Water Meter with Web Dashboard

A Smart IoT-based Water Metering System that enables real-time monitoring of water usage, ensures water quality, and supports automated pump control. Built using the ESP32 and Arduino UNO, and integrated with the ThingSpeak IoT platform, this system enables remote access, live data visualization, and intelligent automation for water conservation.

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🎯 Project Objectives

• Optimize water consumption through smart metering
• Monitor flow rate, pH, TDS, and tank levels
• Enable automated water pump control
• Provide alerts and visualizations via a web dashboard

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📦 Features

• 📡 Wireless Monitoring using ESP32 & Wi-Fi
• 🌐 ThingSpeak Dashboard for real-time IoT analytics
• 🌊 Flow Rate Measurement with flow sensor
• 💧 Water Quality Detection via TDS & pH sensors
• 🔁 Automated Pump Control with Relay Module
• 🖥 LCD Display for local data output
• 🛠 Reliable Dual MCU Setup using ESP32 + Arduino UNO

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🛠️ Tech Stack

Component	Description / Role
ESP32	Main microcontroller with Wi-Fi
Arduino UNO	Secondary controller for sensor interfacing
pH Sensor	Measures water pH level
pH Amplifier	Amplifies pH sensor signal
TDS Module	Monitors total dissolved solids
Flow Rate Sensor	Measures water flow rate
Relay Module	Switches water pump on/off
Water Pump	Controls water supply
LCD 16x2 Display	Displays real-time readings locally
Flyrobo	Supplier of components
Software	Arduino IDE, Embedded C
Cloud Platform	ThingSpeak IoT Platform

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🧰 Prerequisites

• ESP32 Development Board
• Arduino UNO
• Flow Sensor
• TDS Sensor
• pH Sensor with Amplifier
• Relay Module
• Water Pump
• LCD 16x2 Display
• Jumper Wires, Breadboard, Power Supply
• Arduino IDE + ThingSpeak Account

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⚙️ Hardware Setup

1. Connect all sensors to Arduino UNO and ESP32 accordingly.
2. Ensure correct voltage levels and power supply.

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💻 Firmware Installation

1. Install Arduino IDE and add board support for ESP32.
2. Install libraries
3. Upload the respective firmware to:
   • ESP32: for Wi-Fi and ThingSpeak communication
   • Arduino UNO: for reading and preprocessing sensor data
4. Configure:
   • Wi-Fi credentials
   • ThingSpeak channel & API keys

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🌐 ThingSpeak Setup

1. Create a new ThingSpeak Channel
2. Add the following fields:
   • TDS Level
   • pH Level
3. Copy the Write API Key and use it in your ESP32 code.

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🚀 System Workflow

1. The sensors gather real-time data via Arduino UNO and ESP32.
2. Data is sent to ESP32, which uploads it to ThingSpeak.
3. ThingSpeak displays data using dynamic graphs.
4. The Relay triggers the pump based on sensor thresholds.
5. The LCD displays key metrics locally for manual monitoring.

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📂 Repository Setup

1. Clone this repository:

   git clone https://github.com/sandeepku-s/Smart_wireless_water_meter_with_Web_DB.git

2. Navigate to the project directory:

   cd Smart_wireless_water_meter_with_Web_DB

3. Open the project in VS Code.

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Software Requirement:

• Arduino IDE

Arduino IDE used to upload programming in ESP32 Board with required library.

• Thingspeak

ThingSpeak is a cloud-based IoT analytics platform service that lets you collect, view, and examine real-time data streams. Data can be sent from your devices to ThingSpeak, enabling instantaneous live data display.

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📈 Results

💧 Flow Rate

Real-time flow rate monitoring using FS400 sensor.

🌫 TDS (Water Quality)

TDS module captures Total Dissolved Solids in water and sends values to ThingSpeak.

🧪 pH Level

The pH sensor with amplifier circuit helps determine the acidity or alkalinity of water.

🌐 ThingSpeak Dashboard

Live analytics with charts for all monitored parameters.

🧱 Working Prototype

Physical setup of the smart water metering system using ESP32, Arduino UNO, and sensors.

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Under the Guidence:

• Mrs. SWETHA S KULKARNI
• Dr. DEEPTI RAJ

Team members:

• HARSHAN S
• K SANTOSH
• MANOJ KUMAR C S
• SANDEEPKUMAR S

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📁 Folder Structure

Here is an overview of the project structure:

Smart_wireless_water_meter_with_Web_DB/
│
├── Images/
│   └── ...
│
├── Reports/
│   └── ...
│
├── Paper/
│   └── ...
│
├── Arduino_Code/
├── Esp32_Code/ 
└── README.md