MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs)

Retail Value: $14.99

$5.00

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Condition: Open Box

Description

VCC: Connect to the positive 5V of the power supply
GND: connect to the negative pole of the power supply
DO: TTL switch signal output
AO: analog signal output

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Location: DFW, TX

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