Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Model | MQ-5 |
| Detection Target | LPG, Natural Gas, Town Gas |
| Operating Voltage | 5V DC |
| Analog Output | 0-5V Signal |
| Digital Output | TTL Logic Level |
| Heating Voltage | 5V ± 0.2V |
| Operating Temperature | -10°C to 50°C |
| Board Dimensions | 32mm x 20mm x 15mm |
| Interface Type | 3-Pin Header (VCC, GND, OUT) |
| Recommended Preheat | 24-48 Hours |
Anonymous
Apr 07, 2026
Rating: 4/5
Good sensitivity
Detects gas leaks quickly. The potentiometer for sensitivity adjustment is very useful for tuning.
Anonymous
Apr 05, 2026
Rating: 4/5
Good value
For the price, you can't beat it. Just remember it needs a long preheat time for stable readings.
Anonymous
Feb 05, 2026
Rating: 5/5
Great for home automation
Works perfectly with my ESP32 project. Calibration took some time but detection is accurate for monitoring purposes.
Anonymous
Feb 04, 2026
Rating: 5/5
Solid build quality
PCB looks clean. Soldering points are clear. Been running for a week without issues in my workshop.
Anonymous
Jan 24, 2026
Rating: 5/5
Easy to integrate
Plug and play with Arduino. Documentation could be better but standard MQ library works fine.
Q: Can this detect carbon monoxide?
A: No, this MQ-5 model is specific to LPG and natural gas. Please see our MQ-7 for CO.
Q: Does it come with headers?
A: Yes, the module comes with pre-soldered pin headers ready for breadboard use.
Q: How long does calibration take?
A: We recommend allowing the sensor to preheat for 24-48 hours for optimal accuracy.
Q: Is this compatible with 3.3V logic?
A: The module operates at 5V. For 3.3V microcontrollers, a logic level converter is recommended.
Q: What is the detection range?
A: Effective detection concentration is typically 200 to 10000 ppm.
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