---
product_id: 475725591
title: "MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs)"
brand: "teyleten robot"
price: "€ 0.18"
currency: EUR
in_stock: false
reviews_count: 2
url: https://www.desertcart.hr/products/475725591-mq-2-mq-3-mq-4-mq-5-mq-6
store_origin: HR
region: Croatia
---

# 5V power input for stable operation Dual digital & analog signal outputs Detects multiple gases incl. methane & smoke MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs)

**Brand:** teyleten robot
**Price:** € 0.18
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Stay Ahead of Danger with Smart Gas Sensing 🚀

## Quick Answers

- **What is this?** MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs) by teyleten robot
- **How much does it cost?** € 0.18 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/475725591-mq-2-mq-3-mq-4-mq-5-mq-6)

## Best For

- teyleten robot enthusiasts

## Why This Product

- Trusted teyleten robot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Arduino-Ready Kit:** Nine sensor modules included to prototype and scale your IoT gas detection projects
- • **Plug & Play Power:** Seamlessly connects to 5V power for instant activation
- • **Multi-Gas Detection:** Covers a broad spectrum from smoke to liquefied methane for comprehensive safety
- • **Compact & Lightweight:** Slim 16x13x5 cm design at just 120g fits effortlessly into any setup
- • **Versatile Signal Modes:** Choose between TTL digital or analog output for flexible integration

## Overview

This 9-piece MQ series sensor kit offers reliable detection of smoke and various gases including liquefied methane, featuring both digital and analog outputs compatible with Arduino. Powered by a stable 5V supply, these compact modules enable rapid prototyping and deployment in DIY and professional gas detection applications.

## Description

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied methane Gas Sensor Module for Arduino (9pcs)

Review: Exelente
Review: Received 2 defective units but I am already using the other sensors so I can't return all of them.

## Features

- VCC: Connect to the positive 5V of the power supply
- GND: connect to the negative pole of the power supply
- DO: TTL switch signal output
- AO: analog signal output

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09LM5DVK6 |
| Alarm | Audible |
| Best Sellers Rank | 707,105 in DIY & Tools ( See Top 100 in DIY & Tools ) 359 in Gas Detectors |
| Brand | Teyleten Robot |
| Colour | Silver |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Item Weight | 0.12 Kilograms |
| Manufacturer | Teyleten Robot |
| Model Number | MQKIT |
| Power source | Corded Electric |

## Product Details

- **Alarm:** Audible
- **Brand:** Teyleten Robot
- **Colour:** Silver
- **Item weight:** 0.12 Kilograms
- **Manufacturer:** Teyleten Robot
- **Number of items:** 9
- **Power source:** Corded Electric

## Images

![MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs) - Image 1](https://m.media-amazon.com/images/I/81gocxHaLEL.jpg)
![MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs) - Image 2](https://m.media-amazon.com/images/I/81WxNOKoM2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***. on 7 April 2025*

Exelente

### ⭐ Review
*by D***N on 20 January 2023*

Received 2 defective units but I am already using the other sensors so I can't return all of them.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hr/products/475725591-mq-2-mq-3-mq-4-mq-5-mq-6](https://www.desertcart.hr/products/475725591-mq-2-mq-3-mq-4-mq-5-mq-6)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-18*