MQ2 Smoke Gas Sensor

3.00 $

Description

The MQ-2 Gas Sensor Module is ideal for detecting a wide range of combustible gases such as LPG, butane, propane, methane, hydrogen, and smoke. It features both analog and digital (TTL) outputs, making it easy to integrate into any microcontroller-based system like Arduino or Raspberry Pi.

This module uses the reliable ZYMQ-2 sensor and LM393 comparator, delivering high sensitivity and fast response. It’s suitable for home safety devices, gas leak detection systems, and fire safety alarms.

Features:

  • Dimensions: 32mm × 22mm × 27mm

  • Main Components: ZYMQ-2 gas sensor, LM393 comparator

  • Operating Voltage: DC 5V

  • Signal Output:
     – Digital (TTL): LOW when gas is detected
     – Analog (AO): 0–5V, voltage increases with gas concentration

  • Gas Detection Range: Smoke, LPG, butane, methane, propane, hydrogen, etc.

  • Indicator LED: Shows signal output status

  • High sensitivity to combustible gases and smoke

  • Fast response and recovery time

  • Stable performance and long life

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