Automated Fertigation Scheduler Variant 23 Kit with Arduino Mega + Relay
Build a Precision Fertigation Scheduler with Arduino Mega – Automate Nutrient Dosing Using EC, pH, and Real‑Time Clock
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Designed for agricultural engineering students, hydroponics enthusiasts, and smart farming innovators, this kit lets you build a fertigation controller that monitors electrical conductivity (EC) and pH in real time. The Arduino Mega reads TDS and pH data, synchronizes with an RTC for daily watering schedules, and triggers a pump via relay exactly when nutrient concentration hits your target—eliminating manual guesswork and fertilizer waste.
What You'll Build
A fully functional automated fertigation system that can be integrated into any drip irrigation setup. You'll have a compact control unit with an OLED display showing EC, pH, time, and pump status, while all sensor data logs to an SD card for long-term crop cycle analysis and trend monitoring.
What You'll Learn
- Interfacing multiple sensors (EC, pH, RTC) with Arduino Mega over I2C and analog
- Programming real-time scheduling logic using DS3231 RTC alarms and time‑based triggers
- Controlling high-voltage peripherals safely with a relay module and flyback diodes
- Logging sensor data to MicroSD for CSV export, visualization, or IoT dashboard integration
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | x1 |
| TDS EC Meter | x1 |
| Analog pH Module | x1 |
| DS3231 RTC | x1 |
| 4-ch Relay Module | x1 |
| MicroSD Module | x1 |
| 0.96in OLED | x1 |
| 1N4007 Diode | x10 |
| 10kΩ Resistors | x10 |
| 100nF Caps | x10 |
| PCB Prototype Board | x2 |
| 12V 2A Adapter | 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
Ideal for B.Tech ECE, EEE, and agricultural engineering students working on Smart India Hackathon projects, final‑year capstone, or precision agriculture research. Also suitable for hydroponics startups, polyhouse operators, and ATL Tinkering Labs with advanced‑level mentors wanting a turn‑key sensor‑to‑actuator demo.
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?
Scan the QR code to chat with our AI companion trained specifically on this kit; it provides wiring checks, code debugging, and sensor calibration steps. If you prefer, WhatsApp us directly for human support from our Bengaluru lab.
Can I adjust the EC threshold remotely?
The pre‑loaded code lets you change the EC target via serial monitor. For true remote control over Wi‑Fi, you can connect an ESP8266 module; our AI companion offers integration guidance and sample code for MQTT‑based updates.
Is the pump included?
The kit includes a 4‑channel relay module rated for up to 250V AC / 10A to switch an external pump. The pump itself is not included, as sizing depends on your irrigation layout. We provide wiring diagrams for common 12V submersible and AC motor pumps.
How do I calibrate the pH sensor?
The analog pH module ships with dry electrodes. Our AI companion walks you through a two‑point calibration using buffer solutions (powder packets not included). The code uses the DS3231’s temperature reading for automatic temp compensation, ensuring ±0.1 pH accuracy.
TDS EC meter + pH sensor + RTC trigger fertigation pump at precise EC target during scheduled watering.
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.
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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