RAK12004 WisBlock MQ2 Gas Sensor Module

Thank you for choosing RAK12004 WisBlock MQ2 Gas Sensor Module in your awesome IoT Project! 🎉 To help you get started, we have provided you with all the necessary documentation for your product.

• RAK12004 Quick Start Guide
• Datasheet
• WisBlock Quick Start Guide
• WisBlock Source Code Repository
• RAK12004 3D Model
• 40-Pin Male Connector 3D File
• WisBlock IO Tutorial

Examples

• Sample Code: MQ2 read sensor data
• Sample Code: MQ2 detect smoke and RAK1801 buzzer alarm
• Sample Code: MQ2 read sensor data and display on OLED

Product Description

The RAK12004 is a gas sensor module, part of the RAKWireless WisBlock Sensor series. The sensor used is the MQ2 from Zhengzhou Winsen Electronics.

Product Features

• Sensor specifications
  • MQ2 gas sensor
  • Sensitivity to LPG, butane, propane, methane, alcohol, hydrogen, smoke, and other flammable steam
  • I2C Interface
  • Alert function
  • Detection range: 300～10000 ppm (flammable gas)
  • 3.3 V Power Supply
  • Chipset: Winsen MQ-2
• Module Size
  • 25 x 35 mm

Prerequisites

To use a RAK12004, you need at least a WisBlock Base and a Li-Ion/LiPo Battery to plug the module in. The WisBlock Base provides power supply to the RAK12004 module. Furthermore, you need a WisBlock Core module to use the sensor.

warning

Make sure to fix the module with the screws to ensure a proper function.