Build a Solar-Powered Automatic Lawn Irrigation System with Arduino Nano

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 lawn that waters itself only when the soil is dry, powered entirely by sunlight, with zero manual intervention. This intermediate kit lets you build a real-world smart irrigation controller using Arduino Nano, soil moisture sensors, and a submersible pump—ideal for school gardens, balcony lawns, or agricultural prototypes. You’ll learn how to integrate solar charging, sensor logic, and deep sleep power management into one cohesive system.

What You'll Build

You'll create a fully functional automatic lawn watering system. Two soil moisture sensors detect dryness across your garden; the Arduino reads them, decides if watering is needed, and activates a relay to run the pump. The system powers itself from a solar-charged 18650 battery bank and goes into deep sleep between checks to save energy, so it can run for days without manual charging.

What You'll Learn

• Interfacing analog soil moisture sensors with Arduino Nano and calibrating moisture thresholds for your lawn
• Controlling a 5V relay module to safely switch the mini submersible pump
• Designing a solar charging circuit with TP4056 charge controller and 1N5819 protection diodes
• Implementing Arduino deep sleep modes to maximize battery life between sensor readings

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for intermediate learners—perfect for CBSE Class 11-12 students building science exhibition projects, B.Tech ECE/EEE undergraduates prototyping for Smart India Hackathon, and ATL Tinkering Labs looking for a real-world automation challenge. If you've completed beginner Arduino projects and want to explore solar power and energy-efficient sensing, this kit bridges classroom theory and practical farming tech.

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.