Arduino Lawn Irrigation Controller Kit — Hands-Free Soil Moisture & Climate Control for a Perfect Lawn

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Every dry patch on your lawn wastes water and time. With this kit, you build a controller that reads real-time soil moisture, temperature, and humidity through the DHT22 and dual soil sensors, then triggers a servo-operated vent, a relay-driven exhaust fan, and a water pump — all without touching a valve. You get a self-regulating microclimate for your lawn, exactly when and where it’s needed.

What You'll Build

You will assemble and program a complete lawn irrigation system on a breadboard. The 16x2 LCD display shows live sensor readings, while the Arduino Uno runs threshold-based logic to open a vent (servo), run the fan (relay), or start the pump (relay) whenever soil moisture drops or temperature/humidity cross your set limits. The result is a polished bench-top model that works identically to a field-deployable unit.

What You'll Learn

• Interface the DHT22 digital sensor and extract calibrated temperature/humidity data
• Read analog soil moisture sensors and map values to meaningful moisture percentages
• Drive multiple SG90 servo motors for vent positioning and control relay modules for inductive loads
• Implement I2C communication to drive the LCD backpack and display real-time environmental readings

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

B.Tech ECE and EEE students tackling final-year IoT or home automation projects will find this kit immediately relevant. It also suits Smart India Hackathon teams prototyping sustainable agriculture solutions and mentors at ATL Tinkering Labs who need a robust, hands-on demonstration of sensor-actuator logic. Students from IITs, NITs, VIT, and BITS Pilani have used similar Compoden kits to walk into viva sessions with working hardware.

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.