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Line Follower Sensor (Adjustable)
$1.99  
Out-of-stock
The Line Follower sensor gives your robot the ability to detect lines or nearby objects. The sensor works by detecting reflected light coming from its own infrared LED. It can detect transitions from light to dark (lines) or even objects directly in front of it. The sensor has an...
Out-of-stock
Liquid Flow Meter - Plastic 1/2" NPS Threaded - Clear
$15.90  
Out-of-stock
Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter. This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a little magnet attached, and there's...
Out-of-stock
-20%
Load Cell - 10kg, Straight Bar
$7.90 $9.90  
1 pc(s)
This straight 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 changes in response to, and proportional of, the strain (e.g. pressure or force) applied to...
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-20%
Load Cell - 1kg, Straight Bar
$7.90 $9.90  
5 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 1kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the...
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-20%
Load Cell - 20kg, Straight Bar
$7.90 $9.90  
4 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 20kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to...
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-20%
Load Cell - 2kg, Straight Bar
$7.90 $9.90  
20 pc(s)
This straight bar load cell (sometimes called a strain gauge) can translate up to 2kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the...
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-20%
Load Cell - 5kg, Straight Bar
$7.90 $9.90  
Out-of-stock
This straight bar load cell (sometimes called a strain gauge) can translate up to 5kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the...
Out-of-stock
Load Cell Amplifier - HX711
$14.20  
3 pc(s)
This Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell and with some calibration you'll be able...
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Load Sensor - 50kg
$7.90 $9.90  
12 pc(s)
This load cell / sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales. Each straight bar load cell is made from an aluminum-alloy and is capable of measure up to about 50kg. Documents : Specifications Load Sensor Tutorial (NerdKits)
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LPG Gas Sensor - MQ-6
$5.95 $7.50  
1 pc(s)
This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing  LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response...
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LV-MaxSonar-EZ0 - High-Performance Ultrasonic Range Finder
$48.00  
5 pc(s)
The LV-MaxSonar-EZ0 from Maxbotix offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The LV-MaxSonar-EZ0 detects objects from 0-inches to 254-inches (645 cm) and provides sonar range information from 6-inches(15.24cm)...
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LV-MaxSonar-EZ4 - High-Performance Ultrasonic Range Finder
$48.00  
1 pc(s)
The LV-MaxSonar-EZ4 from Maxbotix offers very short to long-range detection and ranging, in an incredibly small package with ultra low power consumption. The LV-MaxSonar-EZ4 detects objects from 0-inches to 254-inches (6.45-meters) and provides sonar range information from...
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M5Stack Module - Mini GPS
$16.50  
1 pc(s)
M5Stack is a robust, Arduino compatible, open source development kit with stackable modules, enabling rapid and high-quality IoT prototyping. This M5Stack Mini GPS Module is built around the AT6558 GNSS module. The 56-channel 6 positioning engine boasts a Time-To-First-Fix (TTFF) of...
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M5Stack Module - Environmental
$6.95  
Out-of-stock
M5Stack is a robust, Arduino compatible, open source development kit with stackable modules, enabling rapid and high-quality IoT prototyping. This M5Stack Environmental Module is designed for sensing temperature, humidity and barometric pressure. It features two sensors - BMP280 for...
Out-of-stock
M5Stack Module - Light
$3.50  
9 pc(s)
M5Stack is a robust, Arduino compatible, open source development kit with stackable modules, enabling rapid and high-quality IoT prototyping. This M5Stack Light Module uses photo cell to measure light intensity. The resistance of the photo cell depending on the amount of light it is...
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MAX6675 Temperature Sensor Kit with K-Type Thermocouple
$9.99  
3 pc(s)
Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. This MAX6675 breakout board does everything for you, and can be easily interfaced with Arduino, micro:bit, Raspberry Pi and any other microcontroller via 12-bit resolution SPI bus. A...
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Mechanical Kit For Digital Scale
$19.90  
Out-of-stock
This Mechanical Kit For Digital Scale is designed for our 1kg, 2kg and 5kg Straight Bar Load Cell. It contains two 5mm thick acrylic plats and mounting kit to secure the load cell and HX711 amplifier. Though the mounting holes match all our Straight Bar Load Cell, it is not recommend for 10kg...
Out-of-stock
-20%
MEMS Microphone Breakout - INMP401 (ADMP401)
$12.80 $16.00  
1 pc(s)
This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone's input can fit flush against the enclosure of your project. Plus you will not have to deal with trying to solder the...
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Mini Photocell (LDR - Light Dependent Resistor)
$1.00  
68 pc(s)
This is a very small photocell. A photocell changes (also called a photodetector , CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make great ambient light triggers (when light in the room turns on, do something)....
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Miniature Capacitive Fingerprint Sensor
$39.95  
1 pc(s)
Secure your project with biometrics - this all-in-one Capacitive Fingerprint Sensor will make adding fingerprint detection and verification super simple. Similar to the capacitive touchscreen, this captive fingerprint sensor measures your finger by using human conductivity, creating an...
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Miniature PIR Motion Sensor
$4.50  
6 pc(s)
This miniature PIR sensor is designed for motion detection. It uses pyroelectric sensor to detect motion by measuring changes in the infrared levels emitted by surrounding objects. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that...
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MLX90614 Non-Contact IR Temperature Sensor
$19.50  
Out-of-stock
The MLX90614 is a Contactless Infrared (IR) Digital Temperature Sensor that can be used to measure the surface temperature of a human body or other object. Unlike most temperature sensors, this sensor measures infrared light bouncing off of remote objects so it can sense temperature...
Out-of-stock
MQ-135 Gas Sensor For Indoor Air Quality Monitor
$4.50  
2 pc(s)
This is a simple-to-use gas sensor for indoor air quality monitor, suitable for sensing NH3, NOx, alcohol, Benzene, smoke and CO2 in the air. The MQ-135 can detect NH3 and Alcohol gas concentrations anywhere from 10-300ppm and Benzene from 10-1000ppm. This sensor has a high sensitivity and...
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MQ-2 Gas Sensor (LPG, Propane, Hydrogen, Methane)
$4.20  
2 pc(s)
This MQ2 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI LPG, Propane, Hydrogen, Methane and other combustible steam. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to wide range of combustible gas...
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MQ-3 Gas Sensor (Alcohol)
$4.50  
3 pc(s)
This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to alcohol gas...
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MQ-4 Gas Sensor (Natural Gas)
$4.20  
5 pc(s)
This MQ4 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI Methane, Propane, Butane, and other combustible gas. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to wide range of combustible gas High...
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MQ-5 Gas Sensor (LPG, Natural Gas)
$4.20  
3 pc(s)
This MQ5 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI Methane, Propane, Butane, and other combustible gas. The sensitivity of the sensor can be adjusted by potentiometer. Features High sensitivity to LPG, natural gas Low sensitivity...
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MQ-6 Gas Sensor (Propane, Butane and LPG)
$4.20  
3 pc(s)
This MQ6 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI Propane, Butane and LPG, and other combustible gas. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to wide range of combustible gas...
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MQ-7 Gas Sensor (Carbon Monoxide)
$4.50  
2 pc(s)
This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to Carbon...
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MQ-8 Gas Sensor (Hydrogen)
$4.50  
2 pc(s)
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 100-10000ppm. This sensor has a high sensitivity and fast response time. The sensitivity of the sensor can be adjusted by...
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MQ-9 Gas Sensor (Carbon Monoxide / Combustible)
$4.50  
4 pc(s)
This is a simple-to-use Carbon Monoxide / Combustible gas sensor, suitable for sensing Carbon Monoxide / Combustible gas concentrations in the air. The MQ-9 can detect Carbon Monoxide / Combustible gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast...
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Non-contact Liquid Level Sensor (Open Collector Output)
$19.95  
4 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...
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Non-contact Liquid Level Sensor (PNP Output)
$19.95  
2 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...
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-11%
Non-Invasive Current Sensor - 30A
$15.50 $17.50  
1 pc(s)
This non-invasive current sensor (also known as a “split core current transformer”) can be clamped around the supply line of an electrical load to tell you how much current is passing through it. It does this by acting as an inductor and responding to the magnetic field around a...
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Optical Dust Sensor - GP2Y1014AU0F
$19.90  
2 pc(s)
Sharp's GP2Y1014AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine...
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Parallax PING))) Ultrasonic Sensor
$58.50  
2 pc(s)
Parallax's PING)))™ ultrasonic sensor provides a very low-cost and easy method of distance measurement. This sensor is perfect for any number of applications that require you to perform measurements between moving or stationary objects. Naturally, robotics applications are very popular but...
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-28%
Photo Interrupter GP1A57HRJ00F
$4.00 $5.55  
3 pc(s)
This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a beam of infrared light from one upright to the other, the sensor can detect when an object passes between the uprights, breaking the beam. Used for many applications...
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Photo Interrupter GP1A57HRJ00F Breakout Board
$2.35  
4 pc(s)
A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal. When the gate is clear, SIG will be high (>4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (<0.4V)....
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Photo Interrupter Module (Straight)
$2.50  
6 pc(s)
This Photo Interrupter Module is widely used in motor speed detection, pulse count, the position limit, etc. It will trigger a signal when light between the sensor's gap is blocked. It works with 3.3V to 5VDC, and gives a HIGH on DO pin when the beam is blocked, and a LOW output when...
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Photo Interrupter Module (T-Shape)
$2.50  
5 pc(s)
This Photo Interrupter Module is widely used in motor speed detection, pulse count, the position limit, etc. It will trigger a signal when light between the sensor's gap is blocked. It works with 3.3V to 5VDC, and gives a HIGH on DO pin when the beam is blocked, and a LOW output when...
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Photocell Light Sensor Module (Analog Output)
$1.20  
8 pc(s)
The LDR Sensor Module is used to detect the presence of light / measuring the intensity of light. The output of the module goes LOW in the presence of light and it becomes HIGH in the absence of light. Features: Voltage: 3.3V~5V Analog output Dimensions: 21 x...
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Piezo Element
$2.90  
2 pc(s)
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer. Documents: Datasheet...
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-15%
PIR Motion Sensor
$13.20 $15.50  
5 pc(s)
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. Red wire is power (5 to 12V). White wire is GND. Black wire is open collector Alarm....
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PIR Motion Sensor (w/Adjustable delay and Sensitivity)
$4.20  
9 pc(s)
PIR sensors are used to detect motion from pets/humanoids from about 20 feet (~6 meters) away. This one has an adjustable delay before firing (approx 2-4 seconds) and adjustable sensitivity. You can easily reposition the sensor or mount it using the two holes on either side Runs on...
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Pulse Oximeter & Heart-Rate Sensor - MAX30102
$6.99  
4 pc(s)
MAX30102 Sensor is an integrated pulse oximetry and heart-rate monitor module. It is equipped with a red and IR LEDs as well as a very sensitive photon detector. The idea is to pulse the different LEDs, then detect what shines back. Based on the reflected signature it's possible to measure...
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QTR-8A Reflectance Sensor Array
$15.00  
1 pc(s)
The QTR-8A reflectance sensor array is intended as a line sensor, but it can be used as a general-purpose proximity or reflectance sensor. The module is a convenient carrier for eight IR emitter and receiver (phototransistor) pairs evenly spaced at intervals of 0.375" (9.525 mm). Each...
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RGB and Gesture Sensor - APDS-9960
$23.00  
2 pc(s)
This is the SparkFun RGB and Gesture Sensor, a small breakout board with a built in APDS-9960 sensor that offers ambient light and color measuring, proximity detection, and touchless gesture sensing. With this RGB and Gesture Sensor you will be able to control a computer, microcontroller,...
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RGB color Sensor With IR Filter & LED - TCS34725
$13.70  
Out-of-stock
The TCS34725 is probably the best color sensor on the market. It has a high sensitivity, wide dynamic range RGB and Clear light sensing elements. An integrated IR blocking filter minimizes the IR spectral component of the incoming light and allows color measurements to be made accurately. The...
Out-of-stock
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