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152 Products Found


Grove - Air Quality Sensor

Detect carbon monoxide, alcohol, acetone, paint thinner, formaldehyde and other gasses with this plug-and-use Grove module.

$10.70 USD


Grove - Infrared Emitter

Convenient plug-in-and-use Infrared emitter module for the Grove system.

$4.20 USD


Grove - I2C Color Sensor

I2C Color Sensor based on the TCS3414CS.

$21.50 USD


Adafruit Assembled Data Logging shield for Arduino

The engineers at Adafruit have come up with a nice little datalogger shield, this time (mostly) assembled!

$15.95 USD


Precision Light Sensor

The Precision Light Sensor measures human perceptible light level in lux.

$7.00 USD


QTR-1A Reflectance Sensor (2-Pack)

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following applications. This sensor is sold in packs of two units.

$4.25 USD


Voltage Divider

The Voltage Divider eliminates the need to connect a resistor to an analog input by putting a high precision potentiometer on the board to allow the adjustment of the 'fixed' resistor.

$7.00 USD


Flex Sensor (2.2")

Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It's so bad!

$7.95 USD


SparkFun Liquid Level Sensor

Need to measure fluid levels? This eTape sensor is a solid state, continuous fluid level sensor ideal for non-nasty environments (but including water).

$39.95 USD


Carbon Monoxide Sensor - MQ-7

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO concentrations anywhere from 20 to 2000ppm.

$7.25 USD


Force Sensitive Resistor - Square

These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale.

$7.95 USD


Force Sensitive Resistor (0.5")

These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale.

$6.95 USD


Humidity Sensor - HIH-4030 Breakout

This SparkFun breakout board houses the Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output voltage.

$16.95 USD


LK162-12-E Extended Temperature option

This unit is used in a variety of industrial applications such as computer server systems and web application control systems.

$59.95 USD


Gas Sensor Breakout Board

Simple breakout board for the SparkFun MQ-3, MQ-4, MQ-6 and MQ-7 gas sensors. 

$0.95 USD


SYSTEM 6-in-1 Universal Remote Control

A remote! Control! For controllify-ing all your remotes! Now this remote could be used as the classic universal type remote but hey what fun it that?!?! Use this remote to control Robots, scorpions, and other! Well maybe not scorpions but snakes for sure!

$5.00 USD


Parallax Wide Angle PIR Sensor

Check out this awesome PIR Motion Sensor, complete with infrared goodness!

$12.99 USD


Electret Microphone

Small electret microphone. Useful in acoustic and audio applications, voice recordings.

$1.25 USD


Sharp Analog Distance Sensor 10-80cm

The GP2Y0A21 Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other project. With a detection range of 4" to 32" and an analog voltage indicating the distance, this sensor is very easy to use.

$9.95 USD


5mm Water-clear Phototransistor

This 5mm Water-clear Phototransistor will pick up visible and infrared light and conduct current. When light reaches this high sensitive/fast response time component it's much like current reaching the base of a transistor which allows current to flow from collector to emitter.

$0.45 USD


Sharp Sensor Cable, 20cm

You'll save tons of time and won't need the soldering iron for these Sharp infrared sensor cables! These cables allow you to easily interface Sharp infrared sensors to your robotics project without the need for soldering.

$1.95 USD


SparkFun VCNL4000 Infrared Emitter Breakout

We've had an eye on this Vishay sensor for a while - smart, tidy, and small. Thanks to SparkFun for breaking it out so you can use this to measure ambient light, and physical proximity in a single sensor!

$6.00 USD


Low Sensitivity Unipolar Magnetic Hall Effect Switch

This Melexis US5881LUA (flat TO-92 package) magnetic sensor features a low sensitivity, unipolar design, meaning that it won't be affected by earth's magnetic field, and only responds to a change in one polarity. This particular model responds only to a South-pole magnetic field.

$2.00 USD


V.Torch Antenna GPS Embedded SMA

This V.Torch VTGPSIA-3 embedded antenna is designed to mate with GPS units with a IPEX/MMCX connector.

$11.95 USD


Coobro Geo Kit

A hand-held GPS that YOU build, and fulfills a different task - no map display, just a pointer for which way to go! Use the Coobro Geo to help you find geocaches, store and navigate between hot fishing spots, or simply find your car after a hike.

$29.96 USD


Antenna GPS 3V Magnetic Mount SMA

Magnet mount antenna for GPS modules operating at 3V. Designed for use with automobiles - the magnet will hold the antenna in place at speeds greater than 100mph. 5 meter cable terminated with standard male SMA connector.

$12.95 USD



Looking for a distance sensor that will get you precise readings in the 1mm range? This is a Special Order item. Minimum purchase quantities may apply.

$25.95 USD


OPB704 IR Reflective Object Sensor

The OPB704 IR Reflective Object Sensor is a focused reflect sensor that is used for the detection of changes in a surface. It will save you from ever falling off a cliff! Okay, maybe that's a bit dramatic. It will save your robot from ever falling down the stairs! That's better.

$2.95 USD


Synapse LP201-002 Series Indoor Motion Light Sensor

Synapse modules with built-in light and occupancy sensor. Small, tidy, and battery powered.

$18.01 USD


Prop Shield With Motion Sensors

The Teensy Prop Shield is a wonderfully full-features sensor add-on for Teensy (and other) microcontrollers, featuring 11 sensor inputs, audio amplification and 8MB extra memory.

$21.00 USD


Grove - PIR Motion Sensor

The Grove PIR sensor is specifically tuned to detect the moving heat signatures of human bodies.

$9.60 USD


Grove - Tilt Switch

Super simple - it's a ball in a tube that plugs into the Grove system to detect tilt.

$2.05 USD


Grove - Moisture Sensor

This simple Grove moisture sensor is ideal for measuring soil dampness.

$5.30 USD


Grove - I2C Touch Sensor

This advanced Grove sensor breaks out into 4 touch sensor pads for finger proximity detection.

$16.15 USD


Grove - Light Sensor

Inexpensive and well designed, it's handy for general light intensity measurements.

$3.15 USD


Grove - Water Sensor

A simple but effective Grove water sensor. Expose the electrodes to a drop of water, and the signal drops very low. Can be used with both analog and digital ports.

$3.15 USD


Grove - Temperature and Humidity Sensor

Measure temperature and humidity with the pre-calibrated Grove TempHumi sensor.

$6.40 USD


Grove - Electricity Sensor (AC)

The Grove Electricity sensor is a current transformer able to give your project the ability to measure up to 5A AC current.

$5.30 USD


Grove - HCHO Sensor

The Grove HCHO sensor is a Volatile Organic Compound detector, able to detect down to 1 PPM.

$16.10 USD


Grove - Gas Sensor (MQ3)

The Grove MQ3 sensor specializes in sensing alcohol vapor do 0.04mg/l.

$7.45 USD


IR Reflector sensor with leads

Reflective optical sensor with transistor output.

$1.00 USD


Seeed Grove - Digital Light Sensor

This module is based on the I2C light-to-digital converter TSL2561.

$9.90 USD


Grove - Temperature & Humidity Pro Sensor

For more precise environmental measurements using the Grove system.

$14.90 USD


Seeed Grove - IMU 9DOF V2

The Grove 9 degree-of-freedom (DOF) module features the MPU-9250, and is an easy-to-use all in one module from SeeedStudios.

$13.50 USD


Motor Speed Sensor Module

This is a speed sensor, designed to check the rate of a motor.

$2.95 USD


Adjustable IR Reflection Sensor (3-80cm)

This panel/plate mount IR reflection sensor has a 3-80cm threshold detection range.

$6.90 USD


Seeed One Wire Temperature Sensor

For simple and easy temperature measurement using the 1-wire protocol with a prepared DS18B20 sensor.

$5.90 USD


Force Sensitive Resistor - Small

A small force sensitive resistor with a 0.16" (4 mm) diameter active sensing area.

$5.95 USD


Seeed Grove - GPS

This Grove - GPS module is a cost-efficient GPS with serial interface.

$29.90 USD


Grove - Voltage Divider

Easy way to measure external voltages within 1-43V.

$5.90 USD


Pololu 38 kHz IR Proximity Sensor, Fixed Gain,Low Brightness

Solid, accurate way of determining if something with within range!

$5.95 USD


Heartbeat Sensor

A sensor for measuring pulse oximetry and heart rate in one simple package.

$6.00 USD





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