6PCS MQ-2 Gas and Smoke Analog Sensor Breakout Board for Arduino Raspberry Pi ESP8266 MQ2 5V DC

6PCS MQ-2 Gas and Smoke Analog Sensor Breakout Board for Arduino Raspberry Pi ESP8266 MQ2 5V DC
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sku: 1005003778589159
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$9.35
Shipping from: China
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