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MQ sensor series is not a single sensor but a list of different gas sensors. The MQ sensor series has different sensors estimating different gases; An MQ sensor observes gas, according to their different fixed numbers, such as MQ-2, MQ-3, MQ-4, MQ-135 etc. Their detailed information is given further.
Operating Voltage: 5 Volt |
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Output: Both digital and analog |
The Sensitivity of Digital pin can be varied using the potentiometer |
Preheat Duration:20 s |
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