MQ-4 gas sensor Displayed on 4 Digit 7 segment

14.08.2018

sensor gas Displayed on 4 Digit 7 segment

The MQ-4 gas sensor modules are used in gas leakage detecting equipments, they are suitable for the detection of CH4,Natural gas.LNG, avoid alcohol and cooking fumes and cigarette smoke with this sensor.

High sensitivity to CH4 and Natural gas
Slight sensitivity to alcohol, smoke
Fast response
Stable and long life
Simple drive circuit

VCC - 5V
GND - GND
A0 - Analog pin7
D0 - LED

Schema

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Geekcreit® UNO R3 ATmega328P Development Board For Arduino

Gas Sensor Module For Arduino

Code for 4 Digit 7 segment (common anode)

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Code for 4 Digit 7 segment (common cathode)

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