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Sensors

These sensors are the eyes and ears of your electronics projects. Just add one to give your project sensing abilities!

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30A Hall-Effect Current Sensor...
Measure how much current is flowing through your projects up to 30A with this Hall Effect Current Sensor. Arduino Compatible.

$7.95
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9x7mm Electret Microphone -...
This omni-directional microphone is breadboard and perfboard mountable with a 9mm diameter so you can pick up on fainter sounds. Arduino & Raspberry Pi compatible.

$1.39
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MQ135 Air Quality Sensor...
Use this MQ135 sensor to measure air quality by detecting levels of Benzene, Alcohol and smoke in the air.

$8.40
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Fingerprint Scanner Sensor...
Use this fingerprint scanner to recognize fingerprints in your Arduino projects! Register up to 162 fingerprints and recognize them using this Fingerprint scanner sensor via Serial! Easy to use with just 2 Pins for Tx and Rx! Includes a BONUS integrated proximity capacitive sensor on the blue and yellow wires for low power applications.

$49.90
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Light Sensor Module
Use this Light Sensor Module to make an adjustable light activated switch. Turn the potentiometer to set the threshold. Digital output. Arduino and Raspberry Pi Compatible.

$3.99
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Ambient Light and Proximity...
This device has visible spectrum ambient light detection as well as close range infrared proximity detection all in one neat I2C package. Get the best of both worlds with ambient light detection when something is far away and infrared proximity detection when the object is so close that it blocks most of the light.

$14.99
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Conductive Foam: 3" x 4" x 1/4"
Make your own DIY force sensor with this conductive foam! When compressed, the resistance decreases. Sandwich between 2 copper clad boards for a DIY force sensor.

$4.49
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27mm Piezo Element (Vibration /...
Use this Medium 27mm Piezo Element to sense vibration such as a knock or jump or to produce sound.

$1.95
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On sale now!
Carbon Dioxide CO2 Sensor...
Use this Carbon Dioxide Sensor to detect carbon dioxide levels in the air. Digital & Analog output pins. Arduino & Raspberry Pi Compatible.

$49.97

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Optical Dust Sensor with Cable -...
Use this sensor to measure air quality by detecting the fine particles in the air like dust and cigarette smoke.

$14.99
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MQ-7 Carbon Monoxide Sensor
Use this sensor to detect Carbon Monoxide (CO) concentrations.

$8.99
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FSR: Force Sensor (Arduino...
Measure the amount of force applied on the sensor from 0 to 22lbs. Resistance across the pins decreases as the pressure applied on the sensor increases! Arduino Compatible.

$7.99
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