LM393 Speed Sensor Module For Arduino U shape Subtotal: 41SAR
MQ-2 gas sensor
SKU: QA115#23333SAR inc. Vat.
MQ-2 Gas Sensor
The Analog Smoke/LPG/CO Gas Sensor(MQ2) module utilizes an MQ-2 as the sensitive component and has a protection resistor and an adjustable resistor on board. The MQ-2 gas.
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