Liquefied Electronic Detector Module MQ5 Smoke Flammable Methane Gas Sensor MQ-5

Input voltage: DC5V

Power consumption (current): 150mA

DO output: TTL digital quantities 0 and 1 (0.1 and 5V)

AO output: 0.1-0.3V (relatively pollution-free) high concentration voltage of around 4V

MQ-4 Natural Gas Methane Sensor Module MQ Gas Module MQ Sensor MQ-4 Module

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

Methane liquefied gas combustible gas MQ-2 smoke gas sensor module

Input voltage: DC5V

Power consumption (current): 150mA

DO output: TTL digital quantities 0 and 1 (0.1 and 5V)

AO output: 0.1-0.3V (relatively pollution-free) high concentration voltage of around 4V