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12 Inch E-tape Liquid Sensor
The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and e..
This tiny triple-axis accelerometer is a basic carrier board for the Freescale MMA7361LC XYZ-axis accelerometer, a great low-g sensor with analog voltage outputs, adjustable sensitivity (±1.5 g or ±6 ..
3D Accelerometer and Gyro Carrier with Voltage Regulator - I2C & SPI InterfaceThe LSM6DS33 combines a digital 3-axis accelerometer and 3-axis gyroscope into a single package. The sensor provides s..
Adafruit 9-DOF Accel/ Mag/ Gyro + Temp Sensor
Add motion, direction and orientation sensing to your Arduino project with this all-in-one 9-DOF sensor. Inside the chip are three sensors, o..
Alcohol Gas Sensor (MQ-3) + Carrier Sensor
Sensitive material of MQ3 gas sensor is SnO2, which with lower conductivity in clean air. When the target alcohol gas exist, The sensor’s conductivi..
Analog Distance Sensor 20 - 150 cm
The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangef..
Analog PH meter Pro
While traditional ORP meters are hard to get or use, this Analog ORP Meter is a highly compact ORP monitoring system that fits into your Arduino. This design configuration allows ..
Analog pH Meter v1.0
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? Here comes an analog pH meter, specially design..
Analog Rotation Sensor V2
This Rotation Sensor V2 is arduino compatible and can be rotated upto 300-degree. It is based on the potentiometer. With the Arduino IO expansion board, in combination, it..
Barometric sensor board, I2C
This pressure sensor from Freescale is a great low-cost sensing solution for measuring barometric pressure. At 1.5 hPa resolution, it's not as precise as our favorite p..
These lightweight aluminum brackets make it easy to mount and integrate the Sharp GP2Y0A02, GP2Y0A21, and GP2Y0A41 Distance Sensors into your project. The brackets are strong enough to hold their posi..
Capacitive Touch 12 Key Breakout (I2C Interface)
Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board, starri..
Capacitive Touch Sensor- 8-way
Add lots of touch sensors to your next microcontroller project with this easy-to-use 8-channel capacitive touch sensor breakout board, starring the CAP1188. This chip..
Carbon Monoxide & Flammable Gas Sensor
This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. T..
Carbon Monoxide Gas Sensor
This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm. The sensor’s simple analog voltage interface requires..
Contactless Infrared Thermopile Sensor -I2C Interface
Unlike all the other temperature sensors we have, this breakout has a really cool IR sensor from TI that can measure the temperature of an obje..
Current Sensor Carrier -12.5 to +12.5A
This board is a simple carrier of Allegro's ±12.5A ACS711 Hall effect-based linear current sensor with overcurrent fault output, which offers a low-resistance..
Current Sensor Carrier -30 to +30A
This board is a simple carrier of Allegro’s +/-30A ACS714 Hall effect-based linear current sensor. This version accepts a bidirectional current input with a magni..
Current Sensor Carrier -5 to +5A
Current Sensor Carrier -75 to +75A
This board is a simple carrier of Allegro’s ±75A ACS709 Hall effect-based linear current sensor with overcurrent fault output, which offers a low-resistance (~1.1..
Current Sensor Carrier 0 to 30A
This board is a simple carrier of Allegro’s 30A ACS715 Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and electrical i..
DC current sensor - 26V @ 3.2 Amp max
This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this ..
DHT22 module - Humidity and Temperature (also named as AM2302)
The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measu..
DHT11 Temperature and Humidity sensor
This DHT11 Temperature and Humidity Sensor features a calibrated digital signal output with the temperature and humidity sensor complex. Its technology ensures..
Digital distance sensor - 5cm
The GP2Y0D805 and GP2Y0D810 are Sharp’s smallest and fastest distance sensors, and our tiny carrier board for these sensors includes all of the external components req..
Digital IR Transmitter module
IR Transmitter Module is designed for IR communication when paired with IR receiver module.
This digital energy meter is great add-on to any energy driven project where the AC Voltage, Current and Active Power needs to be measured and displayed in real time. The meter is DIN rail ready ..
This is an anti-rust, robust and precise SHT1x sensor, which can master enterprise-class and industrial-level applications. It can be applied in various fields: telepoint base stations, electronic con..
Digital tilt sensor
This is a digital tilt switch. It can be used as a simple tilt sensor.Simple plug to our IO/Sensor Expansion board, you can make amazing interactive projects.
Sensor Distance 10cm (Sharp digital GP2Y0D810Z0F)
The Sharp GP2Y0D810Z0F sensor with Pololu breakout is one of the smallest and fastest distance sensors, This tiny carrier board for ..
Electret Microphone Amp MAX9814
Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret micro..
Electronic Brick- 4~20MA Sensor Brick
4~20mA Sensor Brick is an electronic brick module that can be used to test electronic current loop from 4mA to 20mA and support type2,3,4 current output.
Essential Sensor Kit
Want to start playing with sensors, but don’t know where to begin? This kit includes a variety of basic sensors for any beginner or experienced programmer. With everything incl..
Fingerprint Reader - Serial TTL
We have tested a variety of biometric finger print readers. The very entry level biometric readers offers no or very limited on device processing. This reader uses a..
Flame Sensor Module
The Flame Sensor can detect flames in the 760 - 1100 nano meter wavelength range. Small flames like a lighter flame can be detected at roughly 0.8m. Detection angle is roughly ..
Flammable Gas & Smoke Sensor
This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage i..
Flex sensor 2.2"
A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used..
Force sensor Circle - 13mm
This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force ap..
Force sensor Pad - 38x38mm
This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied ..
Hall effect sensor
The A3144 is an Hall effect latched sensor. That's nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presenc..
Hydrogen Gas Sensor
This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100..
Special NoteThis sensor does not give an analog proximity value, only an on or off.SpecificationsSupply Voltage 5V MaxCurrent: 100 mARange: 30mm - 800mmLength: 45mmDiameter: 17mmLead: 450mmConnections..
IR kit + Remote
This IR kit provides a remote control capability to your project.
IR Receiver Module
With this IR (infrared) receiver, the Arduino project is able to receive command from any IR (infrared) remoter controller.
IR reflective sensor - Pack of 5
Line Follower Module - TCRT5000
This Line Following Module use the popular TCRT5000 optical sensor. If you are planning to build a Line following robot this small module will make your life so much..
Line following Sensor Array
If you are looking for very good accuracy the Pololu 8 IR LED/phototransistor pair is the best choise.
This sensor module has 8 IR LED/phototransistor pai..
This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only dig..
LM4040 precision voltage ref 0.1%
How good is your multimeter really? Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's conversion accuracy ..
This wide bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that chang..
Load Sensor - 50kg
This load sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales (you know, the ones you use in January for your New Year’s resolutions, and th..
The SparkFun Load Sensor Combinator is a bare PCB that combines four load sensors into a standard 4-wire wheatstone configuration. If you open up an electronic bathroom scale you’ll find a large rats ..
LPG / Isobutane / Propane Gas Sensor
This semiconductor gas sensor detects the presence of LPG, isobutane, and propane at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage i..
Methane Gas Sensor MQ-4 + Carrier board
This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting ga..
Passive Infrared Sensor (PIR)
IR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, ea..
Ever want your robot to hunt down heat objects or navigated with fire? This is a small form factor IR camera capable of tracking up to four heat/IR sources. The applications are plenty and can go from..
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