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mq-5

Operating principle: MQ-5 gas sensor applies SnO2 which has a lower conductivity in the clear air as a gas-sensing material. In an atmosphere where there are made up of electrode which is coated with a sensing material, and it is heated to Understanding principle and operations of MQ Gas sensor. FEATURES. * High sensitivity to LPG, natural gas , town gas. * Small sensitivity to alcohol, smoke. * Fast response . * Stable and long life * Simple drive The Grove - Gas Sensor(MQ5) module is useful for gas leakage detecting(in home and industry). It can detect H2, LPG, CH4, CO, Alcohol. Based on its fast MQ5 Sensor. 7. Arduino. 8. GSM Module. 9. LCD. 11. 5. Circuit Diagram. 13. 6. Working Principle. 14. 7. Dual Tone Multiple Frequency.Sensitivity can be adjusted by varying the potentiometer. Please note that the best preheat time for the sensor is above 24 hours.The working principle behind The Grove - Gas Sensor(MQ5) module is useful for gas leakage detection (in home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol.