Smart Irrigation with Rain Skip
Smart Irrigation with Rain Skip Kit – Arduino-Based Automatic Plant Watering System
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine a garden that waters itself only when the soil is dry, yet stays silent during a downpour. This kit lets you build exactly that: a smart irrigation controller powered by an Arduino Uno. Combining two soil moisture sensors, a rain detector, and a real-time clock, the system schedules watering and automatically skips cycles when rain is sensed. It is a perfect project for students exploring smart home & living applications, from CBSE Class 12 computer science practicals to B.Tech mini-projects.
What You'll Build
You will assemble a fully functional prototype on a breadboard. The 16x2 LCD displays moisture levels, next watering time, and rain status. The DS3231 RTC triggers watering at user-defined intervals. If the soil is dry, the 5V relay activates a pump; if the rain sensor detects moisture during the window, the relay stays off. Diodes and capacitors protect the circuit, and the whole setup runs from a 9V battery. You’ll end up with a deployable smart irrigation brain that saves water and reduces manual effort.
What You'll Learn
- Interface analog soil moisture sensors and a digital rain sensor with Arduino
- Program the DS3231 real-time clock to schedule events
- Drive a 16x2 LCD using an I2C backpack to show sensor data
- Implement conditional logic that overrides watering based on rain detection
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| Soil Moisture Sensor | 2 |
| Rain Sensor | 1 |
| 5V Relay Module | 1 |
| DS3231 RTC | 1 |
| 16x2 LCD | 1 |
| I2C Backpack | 1 |
| 1N4007 Diode | 3 |
| 10kΩ Resistors | 5 |
| 100nF Caps | 5 |
| 400-pt Breadboard | 1 |
| M-M Wires | 25 |
| 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
This intermediate-level kit is ideal for CBSE Class 11-12 students deepening their embedded systems knowledge, first-year B.Tech ECE/EEE learners tackling automation mini-projects, and ATL Tinkering Lab participants. It also suits Smart India Hackathon teams prototyping sustainable solutions and hobbyists who want a reliable, rain-aware garden controller without hunting for individual parts.
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?
The AI companion walks you through each connection and code line; you can also send us a photo on WhatsApp for live troubleshooting.
Can I connect this to a real water pump?
Yes. The 5V relay can switch a small 12V DC pump or a solenoid valve directly. For mains-powered pumps, use the relay as a pilot signal — the schematics and code are included.
Does the kit include a water pump or pipes?
No, it contains all electronic components to build the controller. You can add your own pump, tubing, or sprinkler as you wish.
How does the rain skip feature work?
The rain sensor monitors moisture continuously. If it detects rain during a scheduled watering window, the Arduino logic cancels the relay trigger, skipping that cycle entirely to avoid overwatering.
Soil moisture and rain sensor together control watering. Skips schedule if rain is detected.
What's in this kit
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