Sensors are the eyes and ears of electronics, they monitor external stimuli such as sound, light, pressure, and heat, and convert them into signals for your microcontroller to process.
We've got all kinds of sensors available for your project, so make sure that you pick the correct one for your hardware. If you get stuck, be sure to reach out to us via our forum.
Take a look at some of our sensor tutorials:
- Kits(4)
- Accelerometers(5)
- Audio & Sound(6)
- Barcode & Magstripe(3)
- Biometric(11)
- Camera(7)
- Capacitive(7)
- Current(8)
- Date Time (RTC)(5)
- Distance(16)
- Encoders(5)
- Flex(7)
- Force(9)
- Gas & Smoke(17)
- Gyros(2)
- IMU(3)
- Infrared(10)
- Light & Colour(10)
- Liquid & Flow(4)
- Magnetic(7)
- Money & Coin(3)
- Radiation & Geiger(2)
- Reflectance(6)
- Soft Potentiometers(6)
- Stretch(2)
- Temperature & Weather(28)
- Vibration(6)
- Voice Recognition(1)
Product Categories:
Kits
If you're starting out, or just looking to experiment with new tech, a kit can be the way to go and it allows you to try out heaps of different sensors.
$44.63
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DFRobot sensor set. Made up of light sensor, touch sensor, temperature sensor, magnetic sensor, vibration sensor, tilt sensor..
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$44.63
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delivered by
Jul 24th |
$60.75
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Want to start playing with sensors, but don’t know where to begin? This kit includes a variety of basic sensors for any beg..
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$60.75
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delivered by
Jul 28th |
$121.49
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If you want to start playing with sensors, this kit will be the perfect choice for you to get started.
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$121.49
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delivered by
Jul 28th |
Accelerometers
Accelerometers are the basis of all motion control. They allow you to sense both static and dynamic acceleration and are easy to integrate into your project.
Some important factors to take into account when buying an accelerometer for your project:
- Sensitivity (some have variable options)
- Resolution
- Communication method (eg. I2C or SPI)
$7.50
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If your project is need of an accelerometer, take a look at this module. On-board is an ADXL345 triple axes accelerometer wit..
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$7.50
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delivered by
Jul 24th |
$13.50
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So many accelerometers and so little time! Adafruit have expanded Adafruit's accelerometer selection even more with this high..
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$13.50
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delivered by
Jul 31st |
Audio & Sound
Sound is all around us, and whether you just need a sound trigger, or a miniature microphone, we've got sensors for every project.
$11.95
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Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes..
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$11.95
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delivered by
Jul 31st |
$15.85
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This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is t..
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$15.85
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delivered by
Jul 24th |
Barcode & Magstripe
Perhaps you want to level up your project and integrate magnetic swipe cards or barcodes readers? You're in luck because we've got both!
$117.50
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Decode nearly any kind of 1D (striped) barcode in your project using this adorable compact barcode scanner. Adafruit have loo..
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$117.50
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delivered by
Jul 31st |
$117.50
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Decode nearly any kind of 1D (striped) barcode in your project using this adorable compact barcode scanner. Adafruit have loo..
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$117.50
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delivered by
Jul 31st |
$114.95
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Decode what's hidden on your credit cards, or use it for an access system - this mag-stripe card reader can decode all three ..
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$114.95
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delivered by
Jul 24th |
Biometric
Biometric data is all about capturing information about our bodies and we've got heart rate monitors, fingerprint scanners, muscle sensors, and more.
$44.05
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The MyoWare Muscle Sensor from Advancer Technologies measures, filters, rectifies, and amplifies the electrical activity of a..
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$44.05
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delivered by
Jul 24th |
$7.50
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These electrodes are intended for use with the MyoWare Muscle Sensor from Advancer Technologies. This product is a pack of six electrodes.
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$7.50
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delivered by
Jul 24th |
$8.56
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This is your simple three conductor sensor cable with electrode pad leads. These cables are 24" long and feature a 3.5mm audi..
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$8.56
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delivered by
Jul 24th |
$30.38
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The AD8232 Single Lead Heart Rate Monitor is a cost-effective board used to measure the electrical activity of the heart. Thi..
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$30.38
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delivered by
Jul 24th |
$82.09
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Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they’re u..
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$82.09
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delivered by
Jul 28th |
Camera
Capture the world around you with our range of camera sensors. Whether it's for a Raspberry Pi, or simple surveillance system, we've got you covered.
$36.30
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The Raspberry Pi Camera Module v2 is a high quality 8 megapixel Sony IMX219 image sensor custom designed add-on board for Ras..
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$36.30
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delivered by
Jul 24th |
$6.95
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A stylish, small, and adjustable mount for your Pi Camera.
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$6.95
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delivered by
Jul 24th |
$36.30
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If you thought the standard Raspberry Pi Camera Module was great, then you'll love the NoIR. It features an 8 megapixel Sony ..
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$36.30
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delivered by
Jul 24th |
$19.67
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A VGA Camera Module designed to easily interface with microcontrollers.
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$19.67
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delivered by
Jul 24th |
Capacitive
When a standard switch or resistive touch button doesn't cut it, capacitive touch is the slicker, easier to use option, from a single button to a multichannel array.
$10.00
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This breakout board is the simplest way to create a project with a single "momentary" capacitive touch sensor. No microcontro..
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$10.00
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delivered by
Jul 24th |
$12.95
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This breakout board is the simplest way to create a project with mutiple capacitive touch sensors. No microcontroller is requ..
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$12.95
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delivered by
Jul 31st |
$10.00
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This breakout board is the simplest way to create a project with a single "toggle" capacitive touch sensor. No microcontrolle..
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$10.00
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delivered by
Jul 31st |
$25.00
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This touch-able add on HAT for Raspberry Pi will inspire your next interactive project with 12 capacitive touch sensors. Capa..
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$25.00
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delivered by
Jul 24th |
Current
Finding out how much current your project is drawing can be incredibly important whether it's a wearable, portable project, or just to watch the power consumption.
$16.95
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This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just u..
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$16.95
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delivered by
Jul 24th |
$11.26
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This board is a simple carrier of Allegro’s ±30A ACS714 Hall effect-based linear current sensor, which offers a low-resist..
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$11.26
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delivered by
Jul 24th |
$16.89
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This non-invasive current sensor (also known as a “split core current transformer”) can be clamped around the supply line..
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$16.89
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delivered by
Jul 24th |
Date Time (RTC)
A Real Time Clock (RTC) is used to keep time accurately in a system, even if power is disconnected. Keep your project up-to-date with a quality RTC.
$23.50
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The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, i..
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$23.50
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delivered by
Jul 24th |
$23.50
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A Feather board without ambition is a Feather board without FeatherWings! This is the DS3231 Precision RTC FeatherWing: it ad..
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$23.50
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delivered by
Jul 24th |
Distance
Detecting distances is a foundation of autonomous and guided robotics. It doesn't matter how smart your robot is if he keeps running into things!
We've got two different technologies of distance sensors; Infrared and Ultrasonic. Both have their advantages and we've got options for both.
$5.01
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The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. It offers excellent ran..
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$5.01
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delivered by
Jul 24th |
$79.05
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This ultrasonic (sonar) range finder features real-time automatic calibration and noise rejection resulting in virtually nois..
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$79.05
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delivered by
Jul 31st |
$14.95
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The GP2Y0A21 Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other proj..
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$14.95
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delivered by
Jul 24th |
$13.64
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This is an infrared distance switch. It has an adjustable detection range, 3cm - 80cm. It is small, easy to use/assemble, an..
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$13.64
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delivered by
Jul 28th |
Encoders
Encoders allow you to track rotation speed and measure wheel position using optical or magnetic sensors, and they're easy to use with your project.
$11.26
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Add quadrature encoders to your micro metal gearmotors (extended back shaft version required) with this kit that uses a magne..
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$11.26
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Out of stock |
$11.26
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Add quadrature encoders to your micro metal gearmotors (extended back shaft version required) with this kit consisting of two..
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$11.26
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delivered by
Jul 31st |
Flex
Perhaps you're inspired by flex-sensing wearables? Either way, flex sensors can bring life to your project.
$23.55
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A simple flex sensor 4.5" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology..
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$23.55
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delivered by
Jul 24th |
$36.39
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This is a piezoresistive force sensor from Tekscan. The harder you press, the lower the sensor’s resistance. Pressing light..
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$36.39
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delivered by
Jul 28th |
$16.95
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Measuring stretch forces isn't easy - unless you have some conductive rubber cord! This cord is 2mm diameter, and 1 meter lon..
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$16.95
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delivered by
Jul 24th |
$6.95
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This conductive material (also known as "Velostat" or "Linqstat") is a nice addition for your wearable/sensor hacking toolkit..
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$6.95
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delivered by
Jul 24th |
$11.73
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This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical..
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$11.73
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delivered by
Jul 24th |
$12.48
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The SparkFun Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to meas..
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$12.48
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delivered by
Jul 24th |
Gas & Smoke
Whether it's detecting flammable gas, alcohol, or just small particles such as dust or smoke, our gas & smoke sensors are easy to get started with.
We've got pre-soldered modules, or sensors by themselves with a breakout board for easy integration with your project.
$1.66
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This carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 3 pins—gr..
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$1.66
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delivered by
Jul 24th |
$5.96
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This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The..
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$5.96
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delivered by
Jul 24th |
$6.76
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This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitabl..
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$6.76
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delivered by
Jul 31st |
$17.11
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This is a simple-to-use hydrogen gas sensor.They are used in gas leakage detecting equipments in home and industry applications.
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$17.11
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delivered by
Jul 28th |
$20.27
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Sharp’s GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a p..
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$20.27
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delivered by
Jul 24th |
Gyros
Gyroscopic sensors are handy little devices as they allow you to measure angular rotation with selectable resolutions using a standard microcontroller.
We've got two different boards which use the same chip, however, the Adafruit one has a nicer silkscreen guide and pin labelling if that's what your after. Alternatively, the Pololu board is just as good, but in a different form factor, without the fancy silkscreen.
$20.95
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A gyroscope is a type of sensor that can sense twisting and turning motions. Often paired with an accelerometer, you can use ..
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$20.95
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delivered by
Jul 31st |
$11.26
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This sensor is a carrier/breakout board for the ST L3GD20H three-axis gyroscope, which measures the angular rates of rotation..
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$11.26
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delivered by
Jul 24th |
IMU
IMUs (Inertial Measurement Unit) combine multiple sensors such as an accelerometer, gyroscope, and compass sensor to provide multi-axis motion tracking.
$16.63
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The SparkFun MPU-9250 IMU Breakout features the latest 9-axis MEMS sensor from InvenSense. Each of these 9DoF breakouts featu..
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$16.63
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delivered by
Jul 24th |
Infrared
It's light that you can't see, but is all around you! Infrared technology is used in thermometers, distance sensors, remote controls, and heaps more.
$2.70
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Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use p..
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$2.70
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delivered by
Jul 28th |
$2.02
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Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems i..
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$2.02
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delivered by
Jul 24th |
$3.32
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This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a be..
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$3.32
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delivered by
Jul 28th |
$16.95
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PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed)..
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$16.95
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delivered by
Jul 24th |
Light & Colour
Light sensors can be used for all kinds of applications from ambient levels and colour sensing, to proximity control and basic make/break circuits.
$10.00
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The TSL2561 luminosity sensor is an advanced digital light sensor, ideal for use in a wide range of light situations. Compare..
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$10.00
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delivered by
Jul 24th |
$13.50
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Your electronics can now see in dazzling color with this lovely color light sensor. Adafruit found the best color sensor on t..
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$13.50
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delivered by
Jul 24th |
$9.67
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This UV Sensor with GUVA-S12SD chip is suitable for detecting the UV raditation in sunlight. It can be used in UV Index Monit..
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$9.67
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delivered by
Jul 24th |
$2.04
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This is a very small light sensor. A photocell changes (also called a photodetector, photo resistor, CdS or photoconductive c..
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$2.04
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delivered by
Jul 24th |
Liquid & Flow
For projects such as aquariums, hydroponics, fountains, and more, being able to measure the water level, or flow rate can be incredibly valuable.
$76.95
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The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It doe..
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$76.95
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delivered by
Jul 24th |
Magnetic
Magnetic fields are equal parts fun and useful. We've got compass sensors, hall-effect sensors, and reed switches to integrate with your next project.
$7.88
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A development board that provides a simple interface for the HMC5883L (three-axis magnetic field module).
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$7.88
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delivered by
Jul 24th |
$3.61
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Unlike other Hall-effect switches, either a north or south pole of sufficient strength will turn the output on; in the absenc..
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$3.61
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delivered by
Jul 24th |
$16.95
AUD, inc GST
Out of stock |
He told you "Go West, young maker!" - but you don't know which way is West! Ah, if only you had this triple-axis magnetometer..
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$16.95
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Out of stock |
Money & Coin
Build your own coin-based machines using coin acceptor units. They can read different coins and accept or reject them based on programmable profiles.
$75.55
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Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take up to 6 diffe..
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$75.55
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delivered by
Jul 28th |
$34.55
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Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take three differe..
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$34.55
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delivered by
Jul 28th |
$76.95
AUD, inc GST
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Your project may be free-as-in-speech, but that doesn't mean it has to be free-as-in-beer. This handy coin validator/acceptor..
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$76.95
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delivered by
Jul 31st |
Radiation & Geiger
Whilst strictly for educational use only, Geiger counters can used to measure the radiation from simple household items, such as a smoke detector.
$278.27
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You talked, we listened, and we’ve revised our Geiger Counter board to address some of the most pressing concerns. This ver..
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$278.27
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delivered by
Jul 28th |
$169.12
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Need to test for nuclear fallout? Geiger tubes are the sensing elements of Geiger counters, which are used to measure ionizin..
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$169.12
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delivered by
Jul 28th |
$12.51
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This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-follow..
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$12.51
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delivered by
Jul 24th |
$5.75
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The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" modu..
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$5.75
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delivered by
Jul 24th |
$12.51
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This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-follow..
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$12.51
AUD, inc GST
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delivered by
Jul 24th |
$6.76
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The QTR-L-1RC reflectance sensor incorporates a right-angle infrared LED and a right-angle phototransistor in an inexpensive,..
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$6.76
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delivered by
Jul 31st |
$13.50
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Manufactured by Spectra Symbol, these are nice little ribbon controllers (also known as 'soft potentiometers') with an adhesi..
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$13.50
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delivered by
Jul 31st |
$8.56
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These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes ..
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$8.56
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delivered by
Jul 24th |
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$16.95
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Measuring stretch forces isn't easy - unless you have some conductive rubber cord! This cord is 2mm diameter, and 1 meter lon..
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$16.95
AUD, inc GST
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delivered by
Jul 24th |
$42.24
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This EeonTex fabric is a bidirectionally stretchy nylon/spandex, elastic fabric coated with a long-lasting conductive formula..
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$42.24
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delivered by
Jul 24th |
Temperature & Weather
How's the weather? Well, you may never know without some sensors for your next project, and we've got both analog and digital options covered.
$13.18
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The DHT22 is a step up from the older DHT11 and has some improved features.
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$13.18
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delivered by
Jul 24th |
$10.54
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This is a waterproofed version of the DS18B20 Temperature sensor. Handy for when you need to measure something far away, or in wet conditions.
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$10.54
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delivered by
Jul 24th |
$2.40
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This is the same temperature sensor that is included in our SparkFun Inventor’s Kit. The TMP36 is a low voltage, precision ..
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$2.40
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delivered by
Jul 24th |
$9.50
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The BMP180 is the BMP085's successor and brings to the table more accuracy, better energy consumption and smaller form size. ..
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$9.50
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delivered by
Jul 24th |
$7.93
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The new soil moisture sensor uses Immersion Gold which protects the nickel from oxidation. Electroless nickel immersion gold ..
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$7.93
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delivered by
Jul 24th |
$121.92
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Out of stock |
Whether you’re an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station ca..
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$121.92
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Out of stock |
$6.20
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This vibration sensor is just as its name which is able to detect weak vibration signals.
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$6.20
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delivered by
Jul 24th |
$86.37
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Do you make time to talk to your Arduino? Maybe you should! The EasyVR Shield 3.0 is a voice recognition shield for Arduino b..
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$86.37
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delivered by
Jul 28th |
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