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|Color||Orange + silver|
|Features||Based on MQ2 gas sensor, can sense smoke and methane in air; Can match w/ Arduino specific sensor expansion board, making fire / smoke alarm and methane leaking alarm, etc.|
|Specification||Sensitivity can be adjusted; Input: 5V-GND; S-pin output air density analog voltage semaphore 0~5V; Working voltage: DC 3.0~5.5V; Pin definition: 1-Signal, 2-VCC, 3-GND|
|Application||Arduino teaching, DIY project development, SCM learning and experiment|
|English Manual/Spec||Yes (E-format)|
|Packing List||1 x Sensor module|
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|Quantity||3+ units||5+ units||10+ units|
|Rate||US$3.22 shipped||US$3.21 shipped||US$3.20 shipped|
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