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Addis Ababa, Bole, 23 hours ago
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Mq 2 / Mq 3 / Mq 6/ Mq 7 Sensors
Other
Type
Other
Brand
Brand New
Condition
MQ Gas/Smoke Sensor Modules — MQ-2, MQ-3, MQ-6, MQ-7
Selling a set of MQ-series gas/smoke sensor modules — ideal for Arduino, Raspberry Pi, ESP32, and other microcontroller projects like air quality monitors, gas leak detectors, and breathalyzer builds.
What's available:
MQ-2 — Detects LPG, propane, methane, smoke, and combustible gas
MQ-3 — Detects alcohol vapor/ethanol
MQ-6 — Detects LPG and butane gas leaks
MQ-7 — Detects carbon monoxide (CO) gas
Features (all modules):
Analog (AOUT) and digital (DOUT) output
Onboard adjustable sensitivity potentiometer
Power LED and alarm/trigger indicator
Operating voltage: 5V DC
4-pin header: VCC, GND, DOUT, AOUT
Compatible with Arduino, ESP8266/ESP32, Raspberry Pi, and other MCUs
Safety tips
- Avoid paying in advance, even for delivery
- Meet with the seller at a safe public place
- Inspect the item and ensure it's exactly what you want
- Make sure that the packed item is the one you've inspected
- Only pay if you're satisfied
