Greenhouse Climate Monitor Kit: Arduino Temp-Humidity Scatter Plot & Correlation
Greenhouse Climate Monitor Kit: Live Scatter Plotting of Temperature & Humidity with Arduino Uno
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Step into the world of precision agriculture with a live climate monitor for your greenhouse. This kit transforms an Arduino Uno into a real-time data station, plotting temperature against humidity on a vivid 1.8-inch TFT screen and computing the Pearson correlation coefficient to reveal how these variables interact in an enclosed plant environment.
What You'll Build
A portable greenhouse climate monitor that displays live temperature and humidity readings from a DHT22 and BMP280 sensor pair. The 1.8-inch TFT shows a scatter plot of the two readings, updated every few seconds, with the Pearson correlation coefficient displayed in the corner - a clear indicator of how strongly temperature and humidity influence one another inside a greenhouse. The DS3231 real-time clock stamps each data point, allowing you to track diurnal patterns.
What You'll Learn
- Interfacing multiple I2C and 1-Wire sensors simultaneously with Arduino Uno
- Driving an ST7735 TFT display to render dynamic XY scatter plots from live data
- Real-time computation of the Pearson correlation coefficient using a rolling buffer of sensor readings
- Time-stamping environmental data with a DS3231 RTC for long-term greenhouse observation
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| DHT22 | 1 |
| BMP280 | 1 |
| DS3231 RTC | 1 |
| 1.8in TFT ST7735 | 1 |
| 4.7k? Resistors | 5 |
| 100nF Capacitors | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 20 |
| 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
Designed for CBSE Class 11-12 students exploring data science as a skill subject, B.Tech ECE or Agricultural Engineering undergraduates, and Smart India Hackathon participants building agritech prototypes. It also serves as a practical demonstration tool in ATL Tinkering Labs, connecting sensor technology with statistical analysis in a hands-on format.
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 on the box to access the AI companion trained on this exact project; it can walk you through wiring, code debugging, and calibration. If you prefer human help, reach out on WhatsApp - we reply within hours.
Does this kit require soldering?
No soldering is needed. All connections are made on the included 400-point breadboard using the provided male-to-male jumper wires. You can assemble the circuit in under an hour and focus on the code and data analysis.
Can I export the temperature and humidity data for further analysis?
The kit displays live data and correlation on the TFT screen. If you wish to log data to a computer, the Arduino's serial monitor can output timestamped CSV data that you can capture with any terminal program. The AI companion includes instructions for enabling serial logging.
Is the Pearson coefficient computed on the Arduino itself?
Yes, the provided sketch calculates the Pearson correlation coefficient continuously from the most recent buffer of readings stored in memory. No external computer or internet connection is required; the entire analysis happens on the Arduino Uno.
Greenhouse - Two sensor values plotted as XY scatter on TFT. Pearson correlation coefficient calculated live.
What's in this kit
- Arduino Uno R3
- DHT22
- BMP280
- DS3231 RTC
- 1.8in TFT ST7735
- 4.7k? Resistors x5
- 100nF Caps x5
- 400-pt Breadboard
- M-M Wires x20
- 9V Battery Snap
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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