Soil Carbon Flux Monitor Kit with Arduino Mega + LED
Soil Carbon Flux Monitor Kit with Arduino Mega & OLED: Track Carbon Dioxide Flux from Soil Decomposition
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 field-ready soil respiration monitor that captures carbon dioxide flux from microbial decomposition. This advanced STEM kit equips you with dual NDIR CO2 sensors, four precision temperature probes, and an Arduino Mega 2560 to measure how organic matter releases carbon belowground—a vital parameter for climate research, precision agriculture, and soil health studies. Log every reading to microSD with real-time timestamps and visualise the invisible carbon cycle on a crisp OLED display.
What You'll Build
A portable, waterproof soil probe system that samples CO2 concentration at two depths and soil temperature at four points simultaneously. The Arduino Mega reads MH-Z19B sensors and DS18B20 probes, displays live flux estimates on the 0.96-inch OLED, and records all data to a microSD card via the DS3231 RTC for accurate date-time stamps. The entire assembly fits into a rugged enclosure, ready for outdoor deployment in agricultural fields or campus research plots.
What You'll Learn
- Calibrate NDIR CO2 sensors (MH-Z19B) for continuous, high-stability soil gas monitoring
- Interface multiple DS18B20 probes on a single 1-Wire bus and compensate for thermal gradients
- Integrate DS3231 real-time clock and microSD module to build a standalone data logger with time-stamped CSV output
- Assemble a weather-resistant prototype using soldering, PCB boards, and proper enclosure sealing techniques
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | x1 |
| MH-Z19B CO2 Sensor | x2 |
| DS18B20 Temperature Probe | x4 |
| DS3231 Real-Time Clock Module | x1 |
| MicroSD Card Module | x1 |
| 0.96-inch OLED Display | x1 |
| 4.7kΩ Resistor | x10 |
| 100nF Ceramic Capacitor | x10 |
| PCB Prototype Board | x2 |
| Waterproof Enclosure | x1 |
| 9V Battery Snap Connector | x1 |
| Soldering Iron | x1 |
| Solder Wire | x1 |
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
Designed for B.Tech ECE/EEE undergraduates, M.Sc. Soil Science researchers, and participants of Smart India Hackathon or institutional climate projects. It fits directly into CBSE Class 12 extended investigations, ATL Tinkering Lab advanced modules, and capstone projects at IITs, NITs, VIT, or BITS Pilani. If your work involves terrestrial carbon accounting or precision agriculture prototyping, this kit gives you a plug-and-measure head start.
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?
Scan the QR code to launch the AI companion, which provides wiring diagrams, calibration steps, and sample code verified for this kit. For personalised help, message our WhatsApp support—we typically respond within 4 hours.
Can I modify the system for other gas sensors or wireless data upload?
Yes. The Arduino Mega has ample I/O and UART ports. You can add an ESP8266 or GSM shield for remote data transmission, or swap the MH-Z19B with other NDIR sensors (like Senseair S8) by adapting the code. The AI companion includes notes on common enhancements.
What is the battery life for field measurements?
With the included 9V battery, the kit runs for approximately 6-8 hours of continuous logging. For multi-day deployments, we recommend connecting a high-capacity 12V lead-acid or Li-ion pack via the enclosure's cable gland—this is a typical upgrade for dissertation fieldwork.
Is this kit suitable for my Smart India Hackathon prototype?
Absolutely. The kit delivers immediate, calibrated CO2 flux data that you can integrate into larger IoT or AI-based agriculture solutions. Many teams use it as the environmental sensing backbone for their hackathon demos, saving days of sourcing and integration.
CO2 and temperature sensors in soil core measure carbon dioxide flux from decomposition activity.
What's in this kit
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.
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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