MQ-2 Gas Sensor for Arduino

Description: The  MQ -2 series gas sensor is designed to meet the market demands. This brick..

$7.90

PM2.5 sensor laser dust sensor anti-smog air quality detector for Arduino Programming

Description:Fine particulate matter, also known as fine particles, fine particles, PM2.5.Fine partic..

$28.99

MQ-3 Gas Sensor(ethanol)

Description: This alcohol sensor is suitable for detecting alcohol concentration on your breath, ju..

$7.90

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