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Analog Sound Sensor Microphone Module for ArduinoFeatures-Detectable sound signal sizeBuilt-in filter-rectifier circuit, DC signal outputGood sensitiv..

D204 S 2 Elements Pyroelectric Infrared Analog PIR SensorAnti-interferenceCustom design is availableHigher in cost-performanceLow power consumption

Flame Sensor ModuleFeatures-High Photo SensitivityFast Response TimeSensitivity adjustableDetects a flame or a light source of a wavelength in the ran..

GYML8511 Analog Output Ultra-Violet Light Sensor ModuleFeatures-Photodiode sensitive to UV-A and UV-BEmbedded operational amplifierAnalog voltage outp..

MH-SR602 MINI Motion Sensor Detector Module For ArduinoFeatures:High sensitivityFast responseSmall static power consumptionSmall sizeEasy to install

MQ 135 Air Quality/Gas Detector Sensor Module For ArduinoFeatures-Sensitivity to Ammonia, Sulphide, and Benzene steamWith signal output instructionsTh..

MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector ModuleFeatures-Good sensitivity to Combustible gas in a wide rangeHigh sensitivity to LPG, Propane,..

MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor ModuleFeatures-Signal output indicatorDual Signals output (analog output and TTL output)The TT..

Photosensitive Resistor Sensor Module for ArduinoFeatures-The photosensitive device, its photocurrent increases with the applied voltage.the temperatu..

PIR Motion Sensor Detector Module HC-SR501Features :Infrared Sensor with Control Circuit BoardThe Sensitivity and Holding Time is adjustable.Blockade ..

Tilt Sensor Vibration Alarm Vibration Switch Module for ArduinoFeatures-Ball Rolling type of tilt sensor.This small module is easy to use.A fixed..