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GY-273 HMC5883L 3 Axis Module Magnetic Field SensorFeatures-1-2 degree heading accuracy.A range of -8 to +8 Gauss.Communication: IIC communication protocol...

GY-51 LSM303DLH 3-Axis Magnetic Field Acceleration ModuleFeatures-Integrated three-axis magnetometer and a tri-axial accelerometer with a digital interface.Comes with automatic detection.Also incorporates high-performance accelerometers.Accelerometers can run on LOW power mode...

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..

Waterproof Ultrasonic Sensor Module without ProbeFeatures-Small size and easy to use.Low voltage and low power consumption.High measurement accuracy.Strong anti-interference.Integrated enclosed waterproof line probe for wet and harsh measurement applications...

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)..