🔹 MQ-2 Semiconductor Gas Sensor Module – Combustible Gas & Smoke Detector
The MQ-2 is a versatile metal oxide semiconductor (MOS) sensor module designed to detect a wide range of combustible gases, including smoke, LPG, propane, methane, and hydrogen. Its resistance changes when exposed to these gases, providing both digital and analog outputs for easy interfacing with microcontrollers like Arduino for gas concentration monitoring and safety projects.
✅ Specifications:
-
Sensor Type: MQ-2 Metal Oxide Semiconductor (MOS)
-
Operating Voltage: 5V DC
-
Preheat Duration: ~20 seconds
-
Output Signal: Analog (0-5V) & Digital (TTL)
-
Detectable Gases: Combustible Gases, Smoke, LPG, Propane, Methane, Hydrogen
-
Board Dimensions: 36 x 20 x 21 mm (approx.)
-
Interface: 4-pin header (VCC, GND, Digital Out, Analog Out)
-
On-board Components: Sensitivity adjustment potentiometer, Power & TTL output LEDs
📦 Applications:
✔️ DIY Smoke and Gas Leak Detector Alarms
✔️ Indoor Air Quality Monitoring Systems
✔️ Kitchen Safety & Combustible Gas Detection
✔️ Arduino & Raspberry Pi Safety Projects
✔️ Industrial Gas Leak Prototyping
✔️ Educational STEM Projects on Sensor Technology
Reviews
There are no reviews yet.