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Mercury Medallion Module for Uno R3Features-    This module consists of a mercury switch, a 680Ω resistor, and a LED that will light up when tilt is detected. The mercury ball will open/close the circuit when the module is rotated    Mercury switch module and ..

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 ..

5A range Current Sensor Module ACS712Features-Low-noise analog signal path.Device bandwidth is set via the new FILTER pin.5 µs output rise time in response to step input current.Small footprint, low-profile SOIC8 package.2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8.5.0 V, single-su..

Current and Voltage Detection Module Arduino CompatibleFeatures-Measure the voltage and current in the circuit.Adopts the MAX471 chip, the module directly uses the detected power supply.The minimum voltage input detected by this module is 3V...

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..

GY-302 BH1750 Light Intensity ModuleFeatures-No ambient light distinctionHigh precision determination accurate to 1 Lu for different lightsROHM original package BH1750FVI chip..

20A Range Current Sensor Module ACS712Features-The low-noise analog signal pathDevice bandwidth is set via the new FILTER pin5 µs output rise time in response to step input currentSmall footprint, low-profile SOIC8 package2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-85.0 V, single-su..

30A range Current Sensor Module ACS712Features-Low-noise analog signal pathDevice bandwidth is set via the new FILTER pin5 µs output rise time in response to step input currentSmall footprint, low-profile SOIC8 package2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-85.0 V, single supply ..

4 Channel Infrared Tracing ModuleFeatures-Detection range: 1mm to 60 CM adjustable, the closer the performance more stable, white reflects the farthest distance.Size: in the control panel:42 x 38 x 12mm (length x width x height).Small forward: 25 x 12 x 12mm (length x width x height).Output interfac..

CJMCU 9930 APDS-9930 Digital Proximity And Ambient Light Sensor For ArduinoFeatures-Optical modules integrated with ALS, infrared LEDs and proximity detectorsAmbient Light Sensing (ALS)– Approximate human visual response– Programmable interrupt capability with upper and lower thresholds– Up to 16-bi..