---
product_id: 62501126
title: "HANWEI Alcohol Gas Sensor MQ-3"
brand: "hanwei"
price: "97.87 DT"
currency: TND
in_stock: false
category: "Computers"
url: https://www.desertcart.tn/products/62501126-hanwei-alcohol-gas-sensor-mq-3
store_origin: TN
region: Tunisia
---

# HANWEI Alcohol Gas Sensor MQ-3

**Brand:** hanwei
**Price:** 97.87 DT
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** HANWEI Alcohol Gas Sensor MQ-3 by hanwei
- **How much does it cost?** 97.87 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/62501126-hanwei-alcohol-gas-sensor-mq-3)

## Best For

- hanwei enthusiasts

## Why This Product

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

## Description

Description: This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC. Please review the datasheet for conversions to ppm then Wikipedia.org for BAC. Features: 5V DC or AC circuit Requires heater voltage Operation Temperature: -10 to 70 degrees C Heater consumption: less than 750mW Dimensions: 16.8mm diameter 9.3 mm height without the pins Documents: Datasheet Arduino Tutorial in Portuguese Wiring Example Arduino Breathalyzer Another Breathalyzer bildr Tutorial

## Images

![HANWEI Alcohol Gas Sensor MQ-3 - Image 1](https://images-na.ssl-images-amazon.com/images/I/41U8cNPM3qL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/62501126-hanwei-alcohol-gas-sensor-mq-3](https://www.desertcart.tn/products/62501126-hanwei-alcohol-gas-sensor-mq-3)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-04-26*