Smart Garden Watering Kit with Arduino Nano + Sensor
Smart Garden Watering Kit – Arduino Nano Soil Monitoring with Solar Charging
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Create a garden companion that glows red when your plants are thirsty and green when they are happy. This Arduino Nano-powered kit places a capacitive soil moisture sensor inside a waterproof tube, allowing it to sit directly in the soil while the electronics stay dry. A small solar panel tops up an 18650 battery so the monitor can run for days without a power outlet, teaching renewable energy concepts alongside basic electronics.
What You'll Build
You will assemble a standalone moisture alert system that can be inserted into any pot or raised bed. As the soil dries, the red LED comes alive—your signal to water. Once the ground is damp again, the light switches to green. The whole circuit fits inside a compact enclosure, and the solar panel maintains the battery charge, so you can leave it outdoors for continuous monitoring. This is a practical, hands-on way to connect electronics with everyday gardening.
What You'll Learn
- Reading analog sensor data and controlling LEDs with an Arduino Nano
- Soldering through-hole components on a prototype PCB
- Assembling a lithium-ion charging circuit using the TP4056 module and solar panel
- Building and sealing a weather-resistant enclosure for outdoor electronics
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Nano | x1 |
| Soil Moisture Sensor | x1 |
| 5mm Red LED | x2 |
| 5mm Green LED | x2 |
| Solar Panel 6V 1W | x1 |
| TP4056 Module | x1 |
| 18650 Cell | x1 |
| 18650 Holder | x1 |
| PCB Prototype Board | x2 |
| Waterproof Enclosure | x1 |
| Soldering Iron | x1 |
| Solder Wire | x1 |
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
Designed for young makers aged 5 and up (adult supervision recommended for soldering), this kit introduces sensor-based automation in a garden setting that feels real and immediate. It fits perfectly into school science exhibitions, CBSE Class 10-12 STEM workshops, and ATL Tinkering Lab activities. B.Tech ECE students selecting a mini-project or Smart India Hackathon prototypes will also find the solar-charged soil monitor a reliable starting block for precision agriculture ideas.
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?
Open the AI companion from the QR code; it recognises your exact step and offers a fix. If you prefer, message us on WhatsApp and a real engineer will respond within hours.
Can the sensor be left in the soil permanently?
Yes. The capacitive sensor sits inside a waterproof tube, so the electronics remain dry. The tube can stay buried as long as you like.
How do I recharge the battery?
Place the solar panel in sunlight and the TP4056 module will charge the 18650 cell automatically. On a sunny day, a few hours of direct light is enough for days of operation.
Do I need to write code for the Arduino Nano?
We provide a ready-to-upload sketch. The AI companion walks you through installing the Arduino IDE and transferring the code in minutes—no coding experience required.
Garden — Nano and capacitive soil sensor in a waterproof tube. LED indicates dry or wet. Solar charged battery.
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