Build an ESP32 Soil Monitor That Alerts You When Your Plant Needs Water

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 knowing exactly when your potted plant needs a drink, without even being in the same room. This ESP32-powered soil monitor does just that: it senses dry soil, lights up a red LED, sounds a buzzer, and pings your phone over WiFi. It’s the perfect first step into the Internet of Things for young innovators.

What You'll Build

A working plant care companion that reads soil moisture levels, gives visual and audible warnings, and sends a notification to any WiFi-connected device. You’ll assemble the circuit on a breadboard, upload the code, and see immediate results — no soldering needed.

What You'll Learn

• How a soil moisture sensor works using resistance measurement
• Wiring an ESP32 to read analog sensor data
• Controlling LEDs and a buzzer based on a threshold value
• Sending simple HTTP requests to trigger phone notifications over WiFi

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This kit fits perfectly into the hands of a Class 5–12 student exploring sensor-based projects for CBSE science exhibitions, a young maker in an ATL Tinkering Lab, or a parent wanting to introduce IoT through a fun, tangible project. Everything plugs into the breadboard — no soldering or special tools required.

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.