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CJMCU-GUVA-S12SD Sunlight Ultraviolet Ray Intensity UV SensorFeatures-Low power consumptionPower supply voltage of 2.5 V ~ 5 Vworking current is microamps.High sensitivityHigh stabilityWide detection range: 240 nm to 370 nmWide Angle: 130 degreesSchottky type photosensitive diodeSize: 11 mm x 27 mm..

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

DHT22/AM2302 Digital Temperature & Humidity SensorFeatures-Type: AM2302.Ultra-Low Power.No Additional Components.Long-Distance Signal Transmission.All Calibration, Digital Output & Completely Interchangeable.Relative Humidity & Temperature Measurement.Humidity Measurement Precision: ±2-5..

DHT22 Digital Temperature and Humidity Sensor Module AM2302Features-High precisionCapacitive typeFull range temperature compensatedRelative humidity and temperature measurementCalibrated digital signalOutstanding long-term stabilityExtra components not neededLong transmission distanceLow power consu..

XH-M452 Temperature and Humidity Controller ModuleFeatures-Power supply: DC 12VTemperature measurement range:-40~120℃Humidity range：0~100%RHControl precision：0.1℃  0.1%RHTest probe：Integrated sensor..

Analog PH Sensor KitFeatures-    The Analog pH Sensor Kit is specially designed for Arduino controllers and has a built-in simple, convenient, and practical connection and features. It has an LED that works as the Power Indicator, a BNC connector, and a PH2.0 sensor interface. To..

MG811 Module, Air Carbon Dioxide/CO2 SensorFeatures-Wide detecting scope.High sensitivity & stability.Simple drive circuit.Digital output: Active low (When it outputs a low-level signal, the indicator LED will be on)Analog output: Two Range Options: 0 to 2V or 0V to 4V. The default is 0V to 2V D..

GYML8511 Analog Output Ultra-Violet Light Sensor ModuleFeatures-Photodiode sensitive to UV-A and UV-BEmbedded operational amplifierAnalog voltage outputLow supply current (300uA type) and low standby current (0.1uA type)..

MH-Z19 Infrared CO2 Sensor Module for CO2 monitorFeatures-High sensitivity, high resolution.Low energy consumption.Output mode: UART and PWM wave.Temperature compensation, excellent linear output.Good stability...

APC NetBotz Rack Monitor 450Supports up to 2 external camera pods, 2 sensor pods and up to 18 Universal Sensors...