GAS SENSOR MODULE KIT 9 IN 1
This gas sensor module kit 9-in-1 is perfect to test for the presence of a large variety of gasses. All the modules are compatible with Arduino.
MQ-2 smoke gas sensors
MQ-3 alcohol sensor
MQ-4 methane sensor
MQ-5 liquefied gas natural gas city gas sensor
MQ-6 isobutane propane sensor
MQ-7 carbon monoxide sensor module
MQ-8 hydrogen sensor
MQ-9 carbon monoxide combustible gas sensor
MQ-135 air quality detection sensor
PRODUCT DETAILS
- VCC: positive power supply (5V)
- GND: power supply is negative
- DO: TTL switching signal output
- AO: analog signal output
