MQ3 Gas Sensor – Information, Pin Diagram and Projects

MQ3 Gas Sensor is used to detect Alcohol, Ethanol and Smoke. The MQ3 gas sensor pin diagram shows detailed information of pins, their name and functions. We have also given a helpful datasheet down below.

MQ3 Gas Sensor Pin Diagram:

MQ-2 Gas Sensor Pin Diagram
MQ3 Gas Sensor Pin Diagram


Download Diagram in HD | Size: 650 KB | PNG Image


Here are some projects related to MQ3 Gas Sensor:

1. Alcohol Detector using Arduino, MQ3 Gas Sensor and 0.96” OLED Display Module