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A3144 Hall Effect Sensor ModuleFeatures-Digital Output Hall-effect sensor.Operating voltage: typically 5V.Output Current: 25mA.It can be used to detect both the poles of a magnet.The output voltage is equal to the operating voltage.Operating temperature: -40°C to 85°C.Turn on and Turn off time is 2 ..

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

S9001 Plastic Fresnel Lens for Smart Home System Pack of 5Features:Easy to installHigh qualityFactory priceDetectable distance: 5mViewing angle: 120°..

Soil Moisture Meter, Soil Humidity Sensor, Water Sensor, Soil Hygrometer for ArdunioFeatures-Dual output mode, analog output more accurateA fixed bolt hole for easy installationWith power indicator (red) and digital switching output indicator (green)Having LM393 comparator chip, stable...

Nextech Sync and Charge Data Cable WhiteNo return no refund..

RCWL-0516 Microwave Radar SensorFeatures-Transmission signal processing control chip RCWL-9196Wide operating voltage range 4.0V to 28.0VPenetrating detection capability, compared with the traditional infrared feeling PIRAdjustable Block time and distance3.3V output power supply..