Office CO2 Tracker Kit
Office CO2 Tracker Kit — Arduino Mega-Powered CO2, LPG & Air Quality Monitor with TFT Display
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Build a compact air quality station that tracks carbon dioxide, LPG, and airborne pollutants in real time, displaying a combined Air Quality Index on a vivid TFT screen. Designed for offices, co-working spaces, and labs, this project gives you the data to improve ventilation and stay safe. No guesswork — just calibrated sensor fusion with onboard data logging.
What You'll Build
You’ll assemble a standalone air quality monitor powered by an Arduino Mega that reads CO2 concentration, combustible gas levels, and general air pollution, then computes a normalized AQI score shown on a 1.8-inch color display. The device timestamps each reading with a real-time clock and logs data to a microSD card for analysis. It’s a ready-to-deploy tool for healthier workspaces.
What You'll Learn
- Calibrate and read MQ-2, MQ-135 gas sensors and the MH-Z19B NDIR CO2 sensor
- Program a 1.8-inch TFT ST7735 display to show dynamic AQI values and gas concentrations
- Fuse multiple sensor readings into a single Air Quality Index using weighted algorithms
- Integrate DS3231 RTC for accurate timestamping and log data to a microSD module
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| MQ-2 Gas Sensor | 1 |
| MQ-135 Gas Sensor | 1 |
| MH-Z19B CO2 Sensor | 1 |
| 1.8in TFT ST7735 | 1 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 10kΩ Resistors | 10 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| M-M Wires | 30 |
| 9V Battery Snap | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Ideal for B.Tech ECE and EEE students working on environmental monitoring capstone projects, as well as participants in Smart India Hackathon challenges focused on workplace safety. Also suitable for ATL Tinkering Labs guiding advanced school students (Class 11-12) and hobbyists who want a reliable indoor air quality station.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Our AI companion, accessible from the QR code on the box, walks you through every wiring step and code upload. If you still need a human, drop us a message on WhatsApp and we’ll guide you.
How is the AQI score calculated?
The Arduino firmware combines readings from MQ-2 (LPG/combustible gases), MQ-135 (general air pollutants like NH3, benzene, smoke), and MH-Z19B (CO2) using a weighted algorithm that follows standard indoor AQI breakpoints, normalized for Indian indoor environments.
Can I log data for office compliance?
Yes, the microSD module writes timestamped CO2, LPG, and AQI values to a CSV file. You can use this data to monitor trends and demonstrate compliance with workplace air quality guidelines.
Is this kit suitable for a college project or hackathon?
Absolutely. The kit includes a complete, pre-tested hardware set and an AI guide that helps you assemble and code quickly — typical build time is 6-8 hours, so you can focus on presenting your data analysis and innovation in your Smart India Hackathon or capstone project.
Workplace Air — MQ-2, MQ-135 and MH-Z19B measure LPG, air quality and CO2 simultaneously. Combined AQI score on TFT display.
What's in this kit
- Arduino Mega 2560
- MQ-2 Gas Sensor
- MQ-135 Gas Sensor
- MH-Z19B CO2 Sensor
- 1.8in TFT ST7735
- DS3231 RTC
- MicroSD Module
- 10kΩ Resistors x10
- 100nF Caps x10
- PCB Prototype Board x2
- M-M Wires x30
- 9V Battery Snap
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items