Precision Drip Irrigation Controller Kit with Arduino Mega + Sensor
Precision Drip Irrigation Controller Kit — Automate 4-Zone Farming with Arduino Mega & Sensors
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Water four separate crop zones independently — each with its own soil moisture sensor, solenoid valve, and user-defined threshold — while a real-time clock overrides sensor decisions to prevent watering during heat, rain, or night. This kit turns an Arduino Mega into a farm-grade controller that reads soil conditions live and operates exactly like a commercial precision irrigation system, only you build it from the ground up.
What You'll Build
You’ll assemble a four-channel drip irrigation brain that continuously monitors moisture in four soil beds, compares readings to programmed thresholds, and opens or closes individual 12V solenoid valves through a relay module. A 16x2 LCD shows zone status and current RTC time, while scheduled overrides ensure your crops get water only at the right moments — even if a sensor fails.
What You'll Learn
- Interfacing multiple analog soil moisture sensors with Arduino Mega and mapping threshold logic for four independent zones
- Driving 12V solenoid valves safely using a 4-channel relay module, flyback diodes, and proper power isolation
- Implementing a DS3231 real-time clock to schedule irrigation windows that override sensor-based decisions
- Designing a modular embedded system with user calibration, zone status display on an LCD, and debounced decision-making
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| Soil Moisture Sensor | 4 |
| 4-ch Relay Module | 1 |
| DS3231 RTC | 1 |
| 16x2 LCD | 1 |
| I2C Backpack | 1 |
| 1N4007 Diode | 10 |
| 10kΩ Resistors | 10 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| 12V Solenoid Valve | 4 |
| M-M Wires | 30 |
| 12V Adapter | 1 |
| Soldering Iron | 1 |
| Solder Wire | 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
This kit targets B.Tech ECE/EEE and agricultural engineering students building capstone projects or Smart India Hackathon prototypes. It’s equally suited for agritech researchers at IITs, NITs, and state agricultural universities who need a hands-on, customizable irrigation controller to study sensor-based water management and actuator control under field-like conditions.
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 start a chat with the AI companion trained on this project; it offers step-by-step debugging and wiring checks. If you need human help, our WhatsApp support team responds within hours.
Can I power the valves and Arduino separately?
Yes. The 12V adapter drives the solenoid valves through the relay module’s high-power side. The Arduino Mega can be powered via USB or an external supply. Use the provided diodes and ensure the relay module’s JD-VCC jumper is set correctly to isolate the logic side.
How do I set individual moisture thresholds for each zone?
The AI companion provides pre-written Arduino code where you define a threshold variable per zone. You can adjust these values after observing real-time sensor readings displayed on the 16x2 LCD, tailoring watering to each crop’s needs.
Can I integrate weather data or IoT later?
Absolutely. The Arduino Mega has multiple hardware serial ports and spare digital pins. The AI companion outlines how to add a GSM, Wi-Fi, or LoRa module to push soil data to the cloud or pull weather forecasts, turning this standalone kit into an IoT-enabled farm station.
Four soil zones each with moisture sensor, solenoid valve relay, and individualised threshold. RTC schedule override.
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.
Other projects you can build
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