IoT Weather Station
Build an IoT-based weather station that monitors temperature, humidity, pressure, and rainfall and uploads real-time data to the cloud.
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₹2991.00
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Components
8 items
Difficulty
Advanced
Build Time
5 – 8 Hours
Project Details
How It Works
How It WorksThe ESP32 reads data from environmental sensors (DHT22 for temperature/humidity, BMP280 for pressure, rain sensor for rainfall). The data is processed and formatted, then transmitted via WiFi to a cloud server. Users can view the data through web dashboards, mobile apps, or MQTT servers. The system supports multiple cloud platforms including Firebase and ThingSpeak for data storage and visualization.
Prerequisites
Basic knowledge of electronics and microcontrollers, familiarity with Arduino IDE and C++ programming, understanding of WiFi and IoT concepts, and experience with sensor interfacing.
What You'll Learn
What You'll LearnLearn to connect devices to cloud platforms like Firebase and ThingSpeak
Understand how to interface and read data from various environmental sensors
Learn methods for logging sensor data locally and to the cloud
Create web interfaces for monitoring real-time data
Apply IoT concepts to agricultural monitoring systems
Key Features
Continuous monitoring of temperature, humidity, pressure, and optional rainfall/wind speed
Automatic data transmission to cloud platforms via WiFi
Access live data through a web interface
Store and retrieve past weather data for analysis
View data remotely via mobile applications
System can be extended with additional sensors
What's Included in the Kit
| Component | Qty | Price |
|---|---|---|
 | 1 | ₹1682.00 |
 | 1 | ₹0.00 |
 | 1 | ₹0.00 |
 | 1 | ₹75.00 |
Anemometer (optional) | 1 | ₹0.00 |
 | 1 | ₹171.00 |
 | 1 | ₹0.00 |
 | 1 | ₹2.00 |
Operating Instructions
Applications & Use Cases
- Greenhouse Monitoring - Ensure optimal conditions for your indoor garden.
- Room Comfort - Monitor humidity levels to prevent mold or dry air issues.
- Local Climate Data - Compare your local micro-climate with official city forecasts.
Pin Connections
Pin Connections| MCU Pin | Connected To | Purpose | Notes |
|---|---|---|---|
| GPIO4 | DHT22 DATA | Digital signal for temperature/humidity data | Requires 10kΩ pull-up resistor |
| 3.3V | DHT22 VCC | Power supply for DHT22 | - |
| GND | DHT22 GND | Ground connection | - |
| GPIO21 | BMP280 SDA | I2C data line for pressure sensor | - |
| GPIO22 | BMP280 SCL | I2C clock line for pressure sensor | - |
| 3.3V | BMP280 VCC | Power supply for BMP280 | - |
| GND | BMP280 GND | Ground connection | - |
| GPIO34 | Rain Sensor AO | Analog output for rainfall detection | - |
| 5V | Rain Sensor VCC | Power supply for rain sensor | - |
| GND | Rain Sensor GND | Ground connection | - |
Tools Required
Tools RequiredSafety Precautions
Handling
- ⚠Protect sensors from water exposure
- ⚠Use weatherproof enclosure for outdoor installation
Electrical
- ⚠Ensure stable WiFi coverage for reliable data transmission
- ⚠Avoid direct short circuits in the circuit
Operating
- ⚠Ensure proper power supply voltage (5V for rain sensor, 3.3V for ESP32 and other sensors)
Frequently Asked Questions
Frequently Asked QuestionsQ:Can I power it using solar panel?
Q:How accurate is the system?
Q:Can it work offline?
Q:Can I access it globally?
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