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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 ..

Flame Sensor infrared Receiver Ignition source detection moduleFeatures-Indicator light: a green one for the switch, a red one for power.Built-in a potentiometer for sensitivity control.Onboard signal output indication, output effective signal is high, at the same time the indicator light up, the ou..

Flame Sensor ModuleFeatures-High Photo SensitivityFast Response TimeSensitivity adjustableDetects a flame or a light source of a wavelength in the range of 760nm-1100 nm.Detection range: up to 100 cm.Adjustable detection range.The detection angle about 60 degrees, it is sensitive to the flame spectr..

LM393 Photosensitive Light-Dependent Control Sensor LDR ModuleFeatures-It comes with Mounting Hole Screw.Easy to installSignal output indicator light.LDR module 4 PINAble to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)Output: DO dig..

Normally open vibration sensor moduleFeatures-Using the company’s high-sensitivity vibration switch, the default with SW-18015P vibration sensor.The comparator output, the signal clean, good waveform, driving ability, more than 15mAWith a fixed bolt hole, easy to install.The use of wide voltage LM39..

Infrared Obstacle Avoidance IR Sensor ModuleEasy to assemble and useOnboard detection indicationThe effective distance range of 2cm to 80cmA preset knob to fine-tune distance rangeIf there is an obstacle, the indicator lights on the circuit board...

KY-039 Finger Detection Heartbeat Measuring Sensor ModuleFeatures-Use IR LED and an optical transistor to detect pulsation in fingersSmall and Compact moduleEasy to use...

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm SystemFeatures-Easy to installStrong concealmentMagnetic sensor alarm, control the switch of the circuit via the built-in magnetAlarm when someone intrudes into your placesCan be used in places like apartment, hotel, office, etc.Ideal for res..

Sound Detection Module Sensor for Intelligent Vehicle Compatible With ArduinoFeatures-Uses LM393, Electret condenser microphoneSignal output IndicationSingle channel signal outputThe output effective signal is low level.Can detect the intensity of the sound environmentWith the retaining bolt hole, c..

Water Level Depth Detection Sensor for ArduinoFeatures-Operating voltage: DC3-5VOperating current: less than 20mASensor Type: AnalogDetection Area: 40mmx16mmOperating temperature: 10℃-30℃Humidity: 10% -90% non-condensing..