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IOT & SMART SYSTEMS

IoT Environment Monitor

Monitor temperature, humidity and air-quality indicators and publish readings to a simple dashboard.

LevelSchool / Intermediate Duration3 Weeks Components₹2,000–₹3,800 CodingMedium
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IoT Environment Monitor

Project overview

Monitor temperature, humidity and air-quality indicators and publish readings to a simple dashboard.

Monitor temperature, humidity and air-quality indicators and publish readings to a simple dashboard.

Components / materials required

✓ESP32
✓DHT22
✓MQ-135 or suitable air-quality sensor
✓OLED display
✓Breadboard
✓USB power

What the project demonstrates

✓Live sensor readings
✓Local OLED display
✓Wi-Fi dashboard
✓Threshold alerts

Suggested build plan

01

Sensor setup

Read temperature, humidity and air-quality values.

02

ESP32 networking

Connect to Wi-Fi.

03

Dashboard

Publish readings to an IoT platform or local web page.

04

Alerts

Add simple threshold-based warnings.

Learning outcomes

✓Read multiple sensors
✓Use ESP32 Wi-Fi
✓Visualise IoT data
✓Understand environmental monitoring
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