MQ135 Air Quality Gas Sensor moduleFor general detection of presence of hazardous gases like ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas Power Supply: 5VDCOutput: Digital (1bit) and Analog..
This Waterproof Ultrasonic Distance Sensor has watertight sensor that can work in wet environments without the risk of getting damaged.Operating Voltage: 5VFrequency: 40KHzDetection Distance Range: 0.25-4.5MControl I/O: Trig/RX, Echo/TXPackage:1x Sensor unit1x Ultrasonic Distance Sensor Board
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Microphone Sound Sensor ModuleWith Analog and Digital outputAdjustable comparator digital output with LED indicatorWiring :Sample Arduino Sketch
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AC Power Analyzer 20A/4400VA in an acrylic shell.AC Only Power Analyzer utilizing Hall Effect current sensor for greater power handling capacity.This AC Power Analyzer is a true energy monitoring circuit that measures with precision the following AC line parameters for a comprehensive electricity en..