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MQ-2 Smoke LPG CO Gas Sensor Module Sandbox

MQ-2 Smoke LPG CO Gas Sensor Module Sandbox

Nov 22, 2016Hi all. I am using this code example from Sandbox Electronics to read from the MQ2 gas sensor. However, all my readings are 0. If I use a simple analog reading on the specific pin, I get the expected analog values - from 0 to 1023, usual values around 250, and if I expose it to gas for example goes up to 1000.

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