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Smart Electronics Alcohol sensor module MQ3 Alcohol module Ethanol module Gas sensor MQ-3

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Smart Electronics Alcohol sensor module MQ3 Alcohol module Ethanol module Gas sensor MQ-3

Working voltage: DC5V

Working current: approximately 150mA

Comparator chip: LM393

D0 output: TTL digital quantities 0 and 1

A0 output: 0.1-0.3V (relatively pollution-free), high concentration voltage of about 4V

Board size: 32 * 20mm
shared：

Working voltage: DC5V Working current: approximately 150mA Comparator chip: LM393 D0 output: TTL digital quantities 0 and 1 A0 output: 0.1-0.3V (relatively pollution-free), high concentration voltage of about 4V Board size: 32 * 20mm





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