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Infrared Emitters and Detectors
Price: $3.49
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Sparkfun Item #: SEN-00241 -

Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems including remote control and touch-less object sensing. Using a simple ADC on any microcontroller will allow variable readings to be collected from the detector. The emitter is driven up to 50mA with a current limiting resistor as with any LED device. The detect is a NPN transistor that is biased by incoming IR light. Datasheets: IR Emitter (Yellow dot) IR Detector (Red...

Infrared Remote Control
Price: $7.13
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Availability: Stocked-NoBackOrder
Sparkfun Item #: COM-14865 -

Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to wirelessly control a device. We have designed this remote to be small, very simple, and low-cost. For the majority of the projects we build, we don't need 34 buttons, we need one or two. We just wanted to provide you with a cheap and easy to use remote! Our infrared remote control offers buttons for four directions, power, select, and three optional use buttons (labled...

IR Receiver Diode - TSOP38238
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Price: $3.49
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Sparkfun Item #: SEN-10266 -

Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes. The TSOP382 is a miniaturized receiver for infrared remote control systems. A PIN diode and a preamplifier are assembled on a lead frame while the epoxy package acts as an IR filter. The demodulated output signal can be directly decoded by a microprocessor. The TSOP382 is compatible...

Optical Detector / Phototransistor - QRD1114
Price: $2.01
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Sparkfun Item #: SEN-00246 -

This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm). Documents****: Datasheet Hookup Guide Bildr Tutorial Videos ...

Photo Interrupter - GP1A57HRJ00F
Price: $5.36
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Sparkfun Item #: SEN-09299 -

Photo interrupter, photogate, photodiode, phototransistor, whatever you want to call it, 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 including optical limit switches, pellet dispensing, general object detection, etc. Gap width = 10mm A breakout board is...

SparkFun Grid-EYE Infrared Array Breakout - AMG8833 (Qwiic)
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Price: $81.33
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Sparkfun Item #: SEN-14607 -

Get ready to be able to see like the Predator! The SparkFun Grid-EYE Infrared Array Breakout board is an 8x8 thermopile array, meaning you have a square array of 64 pixels capable of independent temperature detection. It’s like having a thermal camera, just in a lower resolution. To make it even easier to to get your low-resolution infrared image, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1"-spaced pins in case you...

SparkFun Infrared Control Kit
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Price: $17.78
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Sparkfun Item #: KIT-14677 -

Have you ever needed an easy and effective way to activate electronics from across the room? Infrared remotes are still the cheapest way to wirelessly control a device. We have designed the remote in this kit to be small, very simple, and low-cost. For the majority of the projects we build, we don't need 34 buttons, we only need one or two. It makes more sense to provide you with a cheap and easy to use remote. Our infrared remote control offers buttons for four directions, power, select, and...

SparkFun IR Array Breakout - 110 Degree FOV, MLX90640 (Qwiic)
Price: $125.03
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Sparkfun Item #: SEN-14843 -

It's time to say hip hip array for this IR Breakout! The MLX90640 SparkFun IR Array Breakout is equipped with a 32x24 array of thermopile sensors creating, in essence, a low resolution thermal imaging camera. With this breakout you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case). To make it even easier to get your low-resolution infrared image, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have...

SparkFun Line Follower Array
Price: $57.68
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Sparkfun Item #: SEN-13582 -

The SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! We have designed the SparkFun Line Follower Arrays to follow a dark line of about ¾ inch width or smaller (spray paint or electrical tape) on a light background. Each array features visible LEDs that point upward when the board is attached (properly) so you can see what the robot sees, brightness control right on the board, and an I2C interface for reading and...

SparkFun Line Sensor Breakout - QRE1113 (Analog)
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Price: $5.36
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Sparkfun Item #: ROB-09453 -

This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of IR light reflected back to the sensor. This tiny board is perfect for line sensing applications and can be used in both 3.3V and 5V systems. The board's QRE1113 IR reflectance sensor is comprised of two parts - an IR emitting LED and an IR sensitive phototransistor. When you apply power to the VCC and GND pins the IR LED inside the sensor will illuminate. A 100Ω resistor...

SparkFun Line Sensor Breakout - QRE1113 (Digital)
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Price: $5.36
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Sparkfun Item #: ROB-09454 -

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 digital I/O is available, and can be used in both 3.3V and 5V systems. The board's QRE1113 IR reflectance sensor is comprised of two parts - an IR emitting LED and an IR sensitive phototransistor. When you apply power to the VCC and GND pins the IR LED inside the sensor will illuminate. A 100Ω...

SparkFun Photo Interrupter Breakout Board - GP1A57HRJ00F
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Price: $2.68
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Sparkfun Item #: BOB-09322 -

A simple breakout PCB for the GP1A57HR photo interrupter (also known as a photogate, photodiode, or phototransistor). 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 ( Assembled picture is for reference only, board comes bare; photo interrupter and the 220Ω (330Ω, works as well) current limiting resistor are listed below. Documents:...

SparkFun RedBot Sensor - Line Follower
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Price: $5.36
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Sparkfun Item #: SEN-11769 -

The Line Follower sensor is an add-on for your RedBot that gives your robot the ability to detect lines or nearby objects. The sensor works by detecting reflected light coming from its own infrared LED. By measuring the amount of reflected infrared light, it can detect transitions from light to dark (lines) or even objects directly in front of it. The sensor has a 3-pin header which connects directly to the RedBot Mainboard via female to female jumper wires. Use the included RedBot library to...

SparkFun Spectral Sensor Breakout - AS7263 NIR (Qwiic)
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Price: $46.38
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Sparkfun Item #: SEN-14351 -

The SparkFun AS7263 Near Infrared (NIR) Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7263 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy, thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout...

SST Liquid Level Sensor
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Price: $51.12
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Sparkfun Item #: SEN-13835 -

The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features a miniature design that allows for installation in areas where space is limited. Thanks to its minimal solid state design, this sensor has been built without moving or mechanical parts that can be jammed and stop working. An infra-red LED and phototransistor accurately positioned at the base of the sensing tip ensure good optical coupling between...

Thermal Camera Breakout
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Price: $144.34
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Sparkfun Item #: DEV-15737 -

A sophisticated, hackable, 32x24 pixel thermal camera breakout! Use it to monitor the temperature of your CPU or coffee pot, or to build your own heat-seeking night vision camera. It's perfect for building into projects - industrial, scientific, or just fun - and much more affordable than most thermal cameras. The breakout makes it easy to use the camera with your Raspberry Pi or Arduino, using I2C and 3-6V supply. The MLX90640 far-infrared camera is an array of 768 (32x24) thermal sensors...