Sensors

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$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...

$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)....

$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...

$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...

$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...

$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...

$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....

$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...

$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...

$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...

$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,...

$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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