MQ-4 gas sensor module MQ4 Methane, CNG Gas sensor for Arduino MQ 4 analog output

MQ-4 gas sensor module
sensor is sensitive to Methane, and CNG Gas
FEATURES
* High sensitivity to CH4Natural gas.
* Small sensitivity to alcohol, smoke.
* Fast response . * Stable and long life * Simple drive circuit
Good for hobby/Arduino projects
Example Applications:
– gas leakage alarm
– flammable gas detection

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