It is an empty PCB which can be used for all MQ Series Sensor

Module Features:

• MQ-2 smoke gas sensor
• MQ-3 alcohol sensor
• MQ-4 methane sensor
• MQ-5 LPG 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

Specifications:

• Package: MQ Series pcb Blanking
• Customized: Yes
• Model Number: MQ Series PCB Blanking
• Operating Temperature: MQ Series PCB Blanking
• Dissipation Power: MQ Series PCB Blanking
• Supply Voltage: MQ Series PCB Blanking