MQ2 Smoke Sensor Module for learning kit for Arduino and BBC micro:bit – OSOYOO.Store
Arabtronics Center - GAS SENSOR MODULE MQ-2 Arduino MQ2 Gas Module Sensitive gas : Liquefied gas, propane and hydrogen Operating principle: MQ-2 gas sensor applies SnO2 which has a lower conductivity in
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MQ2 Gas Sensor, Size: 32 Mm X22mm X27mm
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MQ2 Gas Sensor Pinout, Features, Equivalents & Datasheet