sensor gas 4 Digit 7 segment Arduino Nano

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® ATmega328P Nano V3 Controller Board Compatible Arduino Improved Version 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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