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The ROBODIUM Gas Guard Kit is a complete DIY gas-safety monitoring system designed for students, hobbyists, and makers.
Using two high-accuracy gas sensors (MQ-2 & MQ-5), this kit can detect LPG, methane, smoke, and flammable gases with high sensitivity.
An Arduino Nano processes readings and displays real-time gas levels on a 16×2 I2C LCD, while the onboard buzzer alerts when dangerous levels are detected.
This kit is ideal for home safety projects, school/college exhibitions, IoT learning, and practical embedded system training.
All required components—including power options, sensors, breadboard, wires—are included for easy assembly.
MQ-2 Gas Sensor
Detects: LPG, butane, methane, smoke, hydrogen
Analog output
High sensitivity & fast response
MQ-5 Gas Sensor
Detects: LPG, natural gas, town gas
Wide detection range
Stable and reliable performance
Arduino Nano
ATmega328P microcontroller
14 digital I/O pins, 8 analog inputs
USB mini-B powered
16×2 LCD with I2C
Displays gas concentration levels
Plug-and-play I2C interface
Minimal wiring required
Piezo Buzzer
Loud audible alarm during gas leakage
5V operating voltage
Breadboard
Solderless prototyping
Jumper Wires Set
Male–Male / Male–Female
High-quality flexible wires
220Ω Resistor
For sensor indicator LED limits
Power Options
USB Cable (for Arduino Nano USB power)
9V Battery (for portable demo)
18650 2S battery pack (optional higher capacity)
1 × MQ-2 Gas Sensor
1 × MQ-5 Gas Sensor
1 × Arduino Nano (with USB interface)
1 × 16×2 I2C LCD Display
1 × Buzzer
1 × Solderless Breadboard
1 × Jumper Wires Set (assorted)
1 × 220Ω Resistor
1 × 9V Battery
1 × USB Cable (for Arduino power or programming)
1 × 18650 2S Battery Pack
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Most items sold on ROBODIUM™ can be returned within the return window, including:
To be eligible for a return, items must be:
Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.
We arrange the return pickup for you — hassle-free returns similar to major e-commerce platforms.
All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.
Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
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Take 20% off your first order
Enter the code below at checkout to get 20% off your first order