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MQ4 Semiconductor Gas Sensor Module
Easy-to-use, low-cost module with analog and digital output
- Power Supply: 5 Volts
- Interface Type: Analog & Digital
- Sensitivity: High to Methane, small to smoke & alcohol
- Cost: Low
- Life: Stable & Long
- Power Indication: On board
- Pack/Unit: 1 unit
Top Features:
- MQ4 Methane gas sensor
- Analog & Digital output
- On-board potentiometer for threshold setting
- Easy interfacing with Microcontrollers, Arduino, and Raspberry Pi
This module utilizes the MQ4 Methane gas sensor as the sensing element. Simply plug in the Vcc and ground pins without needing external components. The digital output allows easy threshold setting with the on-board potentiometer. Ideal for monitoring Methane, as well as having slight sensitivity to alcohol and smoke. Suitable for applications in home or factory methane gas and natural gas monitoring.
Wiring Instructions:
- VCC: Positive power supply (5V)
- GND: Negative power supply
- DO: TTL switching signal output
- AO: Analog signal output
Images are for illustration only; actual product may vary.