Industrial Gas Leak Detector Kit with Arduino Mega + Sensor
Industrial Gas Leak Detector Kit — Real-Time Multi-Sensor Monitoring with Arduino Mega, GSM Alerts, and Independent Relay Control
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Seamlessly unify water leak detection, combustible gas, and carbon monoxide monitoring into a single Arduino Mega industrial controller that instantly isolates threats by firing independent relays — and alerts your phone with an SMS. This kit solves the critical safety gap where hazardous environments demand simultaneous multi-zone protection without relying on separate, unsynchronized sensors. It’s built for engineers who need a rugged, failsafe prototype that mirrors real-world industrial logic.
What You'll Build
You will assemble a wall-mountable detector station that reads a water probe, MQ-2 (LPG, methane, smoke), and MQ-7 (CO) precisely every second. If water is detected, the first relay cuts the solenoid valve; if either gas threshold is breached, the second relay shuts off the gas line. Simultaneously, the SIM800L sends an SMS with the exact sensor triggered, and a buzzer plus three distinct LEDs provide local alarm indication. The entire system is powered through the included buck converter for stable 12V-to-5V delivery.
What You'll Learn
- Integrate three heterogeneous sensors — analog gas, digital water probe — on Arduino Mega’s multi-channel inputs without interrupt conflicts
- Drive a 4-channel relay module with flyback diode protection to handle industrial solenoid valves safely
- Program the SIM800L GSM module using AT commands for real-time, event-driven SMS alerts over Indian cellular networks
- Design a failsafe monitoring loop: trigger priority-based actions, debounce water readings, and cross-check gas levels before actuation
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| MQ-2 | 1 |
| MQ-7 | 1 |
| Water Sensor | 1 |
| 4-ch Relay Module | 1 |
| SIM800L GSM | 1 |
| LM2596 Buck Converter | 1 |
| Active Buzzer | 1 |
| 5mm Red LED | 3 |
| 1N4007 Diode | 5 |
| 10kΩ Resistors | 10 |
| 100nF Caps | 10 |
| PCB Prototype Board | 2 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
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
This advanced kit is designed for final-year B.Tech students in ECE, EEE, or Mechatronics who must deliver a functional industrial safety prototype. It’s equally valuable for Smart India Hackathon teams tackling environment monitoring or smart factory themes, and for mentors at ATL and tinkering labs supporting next-level automation projects. Students from IITs, NITs, VIT, or BITS looking to strengthen their embedded systems portfolio will find the real-time multi-relay logic directly applicable to internships and placements.
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 on the box to talk to the AI companion trained specifically for this kit’s wiring and code — it can spot errors and suggest fixes. If you still need help, our WhatsApp team responds within a few hours.
How do I prevent false relay triggering from sensor noise?
The build guide includes pull‑down resistors on the water probe input and software debouncing. You’ll also calibrate MQ‑2 and MQ‑7 thresholds after a 24‑hour burn‑in period, exactly as instructed in the AI companion.
Can this system run 24/7 for actual safety monitoring?
Yes, with a stable 12V DC source connected via the LM2596 buck converter set to 7.5V for the Arduino Mega. The relays are rated for continuous industrial use, and the SIM800L supports always‑on operation when powered through the module’s dedicated capacitor arrangement from the kit contents.
Which Indian mobile network works for SMS alerts?
Any 2G‑compatible SIM works — Airtel, Vodafone Idea, or BSNL are all tested. We recommend a prepaid plan with at least 5 SMS per day. No data plan is needed, only GSM voice/SMS capability.
Industrial Safety — Water probe + MQ-2 + MQ-7 monitored simultaneously. Independent relays shut off water valve and gas valve on detection.
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.
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