With LM393 MQ135 Sensor Air Quality Sensor Hazardous Gas Detection Module for Arduino

Description

For use with devices controls for air quality indoors bedroom office, ideal for capturing NH3, Nox, alcohol, benzene, smoke, carbon dioxide, etc.<br/>Fast response and high sensitivity. The card has a built in LM393.<br/>It has two output ports: Analogue and Digital (TTL).<br/>Operating Voltage: DC 5 VOLTS.<br/>Dimensions: 32 mm x 22 mm x 30 mm (Length x Width x Height).<br/>Gas Sensor.<br/>Use wth equipment controller for air quality buildings/offices, ideal for detecting NH3, Nox, alcohol, benzene, smoke, carbon dioxide, etc.<br/>Quick response and high sensitivity. The card has an integrated LM393.<br/>It has two output terminals: Analogue and Digital (TTL).<br/>Operating Voltage: 5VDC.<br/>Dimensions: 32 mm x 22 mm x 30 mm (Length, Width, Height).