--- product_id: 64712853 title: "AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book!" brand: "azdelivery" price: "€ 0.02" currency: EUR in_stock: false reviews_count: 13 url: https://www.desertcart.pt/products/64712853-azdelivery-mq-135-air-quality-gas-smoke-detection-sensor-module store_origin: PT region: Portugal --- # Low power 350mW heating output Compact 30x20mm size Fast heating in ≤30s AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! **Brand:** azdelivery **Price:** € 0.02 **Availability:** ❌ Out of Stock ## Summary > 🌬️ Breathe smarter, code faster — your air quality guardian awaits! ## Quick Answers - **What is this?** AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! by azdelivery - **How much does it cost?** € 0.02 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/64712853-azdelivery-mq-135-air-quality-gas-smoke-detection-sensor-module) ## Best For - azdelivery enthusiasts ## Why This Product - Trusted azdelivery brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Response Time:** Real-time alerts with ≤1 second detection speed - • **Smart Threshold Control:** Adjustable potentiometer for custom gas alarm triggers - • **Comprehensive Starter Kit:** Includes detailed E-Book for quick setup & project inspiration - • **Plug & Play Compatibility:** Seamlessly integrates with Arduino & Raspberry Pi ecosystems - • **Precision Air Quality Sensing:** Detects NH3, NOx, CO2, smoke & more with ≥3% accuracy ## Overview The AZDelivery MQ-135 sensor module is a compact, highly sensitive air quality detector compatible with Arduino and Raspberry Pi. It measures a wide range of gases including CO2, NH3, NOx, and smoke with fast response times and ≥3% accuracy. Designed for easy integration, it features adjustable thresholds and comes with an informative E-Book to accelerate your project setup and ensure reliable environmental monitoring. ## Description Product Description The AZ-Delivery MQ-135 air quality sensor as a ready to connect module compatible with Raspberry Pi. Easy to use sensor for measuring the concentration of various toxic gases such as benzone, alcohol, smoke and impurities in the air. The MQ-135 measures a gas concentration from 10 to 1000ppm and is ideal for detecting a gas leak, as a gas alarm or for other robotics and microcontroller projects. The MQ series sensors use a small heating element with an electronic-chemical sensor. They are sensitive to a wide range of gases and are suitable for use in rooms. The sensor has a high sensitivity and fast response time, but it takes a few minutes to give accurate readings as the sensor needs to heat up. The measured values of the sensor are output as an analogue value, which can be easily evaluated with a microcontroller. This sensor is ready for connection for a microcontroller, such as a microcontroller board. For use with a Raspberry Pi, an AD converter is also required. Pinout ✔VCC - power supply 5 V ✔GND - ground connection ✔AOUT - Analogue output ✔DOUT - Digital output To set the threshold value, the module has a potentiometer. On the digital pin, the sensor only outputs a 0 or 1, depending on whether the set threshold value is exceeded. Caution: The sensor gets warm during operation Details ✔Resolution: 10 ~ 1000 ppm ✔Sensitive resistance: 2KΩ to 20KΩ in 100ppm CO ✔Accuracy: ≥ 3% ✔Response time: ≤ 1s ✔ Response time after switching on: ≤ 30 seconds ✔Heating current: ≤ 180 mA ✔Heating voltage: 5.0 V ± 0.2 V / 1.5 ± 0.1 V ✔Input voltage: 5 V ✔Heating energy output approx. : 350 mW ✔Dimensions: approx. 30 mm (length) x 20 mm (width) Welcome to the AZDelivery family! Here you will find high quality products for your Raspberry Pi projects. We are pleased to offer you a range of application examples, complete installation instructions, e-books, libraries and personal support. AZ-Delivery: Your microelectronics expert! Review: CO2 gas detector for a co2 scrubber project - I think AZ delivery products rock they just work Review: Grrreat! - These work weii and within spec. ## Features - ✅ AZ-Delivery MQ135 Air Quality Gas Smoke Detection Sensor Modules for Raspberry Pi are used in air quality control equipment for buildings/offices, and are suitable for detecting NH3, NOx, alcohol, Benzene, smoke, CO2 ,etc. - ✅ Resolution: 10~1000ppm // Sensitive resistance: 2KΩ to 20KΩ in 100ppm CO // Accuracy: ≥ 3% // Response time: ≤ 1s // Response time after power on: ≤ 30s // Heating current: ≤ 180mA // Heating voltage: 5.0V±0.2V / 1.5±0.1V // Input voltage: 5V // Heating energy output approx.: 350mW. - ✅ MQ135 Air Quality Gas Smoke Detection Sensor Module sensor is ready for connection to a microcontroller. For use with a Raspberry Pi, an AD converter is required. - ✅ Dimensions MQ135 Air Quality Gas Smoke Detection Sensor Module are approximately: 30 mm (length) x 20 mm (width). - ✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CNR9K8P | | Alarm | Visual | | Best Sellers Rank | 270,720 in DIY & Tools ( See Top 100 in DIY & Tools ) 120 in Gas Detectors | | Brand | AZDelivery | | Colour | Blue | | Customer Reviews | 4.4 out of 5 stars 531 Reviews | | Manufacturer | AZDelivery | | Number of Items | 1 | | Part Number | 1x MQ-135 Capteur | | Power source | Battery Powered | | Product Style | Compact | | Style | Compact | | Unit Count | 1.0 count | | Unit count | 1.0 count | ## Product Details - **Alarm:** Visual - **Brand:** AZDelivery - **Colour:** Blue - **Manufacturer:** AZDelivery - **Number of items:** 1 - **Power source:** Battery Powered - **Style:** Compact ## Images ![AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - Image 1](https://m.media-amazon.com/images/I/81wbh1mXmmL.jpg) ![AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - Image 2](https://m.media-amazon.com/images/I/814LMDbecqL.jpg) ![AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - Image 3](https://m.media-amazon.com/images/I/71nRIs-M1eL.jpg) ![AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - Image 4](https://m.media-amazon.com/images/I/81rJ3MGfcAL.jpg) ![AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - Image 5](https://m.media-amazon.com/images/I/71SOYqY7wbL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ CO2 gas detector for a co2 scrubber project *by P***L on 5 May 2026* I think AZ delivery products rock they just work ### ⭐⭐⭐⭐⭐ Grrreat! *by P***B on 24 November 2025* These work weii and within spec. ### ⭐⭐⭐⭐ Works just fine, soldering might do better *by S***Y on 29 January 2025* The soldering was a tad bit loose & needed constant adjusting to get any output from the sensor itself. But worked fine after a bit of fiddling around ## Frequently Bought Together - AZDelivery MQ-135 Air Quality Gas Smoke Detection Sensor Module compatible with Arduino and Raspberry Pi including E-Book! - AZDelivery KY-015 DHT11 DHT-11 3 Pin Digital Temperature and Relative Humidity Sensor Module 3.3V 5V compatible with Arduino Including E-Book! - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/64712853-azdelivery-mq-135-air-quality-gas-smoke-detection-sensor-module](https://www.desertcart.pt/products/64712853-azdelivery-mq-135-air-quality-gas-smoke-detection-sensor-module) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-10*