# Gas Sensor Breakout Board

**Type:** Product page · **SKU:** BOB-08891 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/gas-sensor-breakout-board.html ([markdown](https://core-electronics.com.au/gas-sensor-breakout-board.html.md))

Simple breakout board for the MQ - 3, MQ - 4, MQ - 6, MQ -8, and MQ -137 gas sensors. All you need is VCC at 5V, GND, and a resistor to an ADC, that is it.

## Pricing

- **Price:** $2.55 (inc GST) — $2.32 AUD, exc GST
- **Quantity discounts:** 5+ $2.25 (exc GST) · 25+ $2.20 (exc GST) · 100+ $2.11 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 24.

## Description

Simple breakout board for the MQ - 3, MQ - 4, MQ - 6, MQ - 8, and MQ - 137 gas sensors. All you need is VCC at 5V, GND, and a resistor to an ADC, that is it.

**Note:** This is the PCB only. Sensors are listed in the recommended essentials.

**Dimensions:** 16.8mm diameter

**Documents:**

- [Schematic](https://core-electronics.com.au/attachments/localcontent/Gas_Sensor_Breakout-v12_6665f56473.pdf)
- [Eagle Files](https://core-electronics.com.au/attachments/localcontent/Gas_Sensor_Breakout-v12_210888f7261.zip)
- Wiring Example

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/g/a/gas_sensor_breakout_board__bob-08891__01.jpg)