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B2X2 4 Elements Infrared Motion Analog PIR sensor for LightingQuad ElementsSame horizontal and vertical detection anglesSlight movement can be detecta..

DHT22 Digital Temperature and Humidity Sensor Module AM2302Features-High precisionCapacitive typeFull range temperature compensatedRelative humidity a..

DSM501A PM2.5 Dust Sensor Module for Arduino, Air-ConditionersFeatures-PWM output modeCompact, lightweightEasy to installA single power supply

HR 202 Humidity Detection Sensor ModuleFeatures-Adjustable Sensitivity, External GND.Detect Ambient Humidity.Provided with Fixed Bolt Hole, Convenient..

MB7389 HRXL-MaxSonar-WRMT Outdoor Ultrasonic Sensors from MaxBotixFeatures-Internal temperature compensationRead from all 3 sensor outputs: Analog Vol..

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm SystemFeatures-Easy to installStrong concealmentMagnetic sensor alarm, control the switch of..

MG811 Module, Air Carbon Dioxide/CO2 SensorFeatures-Wide detecting scope.High sensitivity & stability.Simple drive circuit.Digital output: Active ..

MH-Z19 Infrared CO2 Sensor Module for CO2 monitorFeatures-High sensitivity, high resolution.Low energy consumption.Output mode: UART and PWM wave.Temp..

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

PM2.5 GP2Y1010AU0F Dust Smoke Particle SensorFeatures-Compliant with RoHS directive (2002/95/EC)Compact, thin package (46.0 × 30.0 × 17.6 mm)Low consu..

SeeedStudio Grove Air quality sensor v1.3Features-Responsive to a wide scope of target gasesCost-efficientDurableCompatible with 5V and 3.3V

Wind Speed Sensor Voltage Type(0-5V) Anemometer Kit (Waterproof & Industrial)Features-High hardnessCorrosion protectionWaterproofnessHigh precisio..