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 Sparkfun products range from things like resistors and LEDs to humidity sensors and LCD screens.  Including: Books, Cables, Cellular, Components, Development Tools, E-Textiles, GPS, Kits, LCDs, Programmers, Prototyping, Sensor, Tools, Robotics, Wireless

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    IR Receiver Diode IR Receiver Diode 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 assembl... $1.95

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    Infrared Sensor Jumper Wire - 3-Pin JST Infrared Sensor Jumper Wire - 3-Pin JST Three pin JST connector with red, black, and yellow colors. 5 inch wire outs. This cable comes fully assembled as shown and connects directly to many different Sharp sensors. Quick and easy, this cable will save you 15-20 minutes over making your own wiring harness. $1.50

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    Infrared Proximity Sensor - Sharp GP2Y0A21YK Infrared Proximity Sensor - Sharp GP2Y0A21YK Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module. This is a really hard to find item! Limit 4 pieces ... $15.00

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    Infrared Proximity Sensor Short Range - Sharp GP2D120XJ00F Infrared Proximity Sensor Short Range - Sharp GP2D120XJ00F Infrared proximity sensor made by Sharp. Part # GP2D120XJ00F has an analog output that varies from 3.1V at 3cm to 0.3V at 40cm with a supply voltage between 4.5 and 5.5VDC. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module.&... $15.89
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    Photo Interrupter GP1A57HRJ00F Photo Interrupter GP1A57HRJ00F 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, gener... $2.30

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    Optical Detector / Phototransistor - QRD1114 Optical Detector / Phototransistor - QRD1114  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: QRD1114SFE Eagle Library has this part! $1.37

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    Infrared Proximity Sensor Long Range - Sharp GP2Y0A02YK0F Infrared Proximity Sensor Long Range - Sharp GP2Y0A02YK0F Infrared proximity sensor made by Sharp. Part # GP2Y0A02YK0F has an analog output that varies from 2.8V at 15cm to 0.4V at 150cm with a supply voltage between 4.5 and 5.5VDC. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module. Thi... $16.50

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    QRE1113 Line Sensor Breakout - Analog QRE1113 Line Sensor Breakout - Analog 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 pa... $2.95

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    Photo Interrupter GP1A57HRJ00F Breakout Board Photo Interrupter GP1A57HRJ00F Breakout Board 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). Assembled picture is for reference onl... $1.50

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    IR Receiver Breakout IR Receiver Breakout This is a very small infrared receiver based on the TSOP85 receiver from Vishay. This receiver has all the filtering and 38kHz demodulation built into the unit. Simply point a IR remote at the receiver, hit a button, and you'll see a stream of 1s and 0s out of the data pin. Documents: Datasheet Schem... $9.95

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    Programmable IR Receiver SIS-2 Programmable IR Receiver SIS-2 The SIS-2 monitors an IR receiver, and when a certain remote code is detected, an output pin will toggle. Two outputs are available and any code on any remote can be taught to the SIS-2. This makes it simple to implement an infrared (IR) remote controllable switching solution for a wide variety of applications. When used with an inexpensiv... $9.95

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    Reflectance Sensor Reflectance Sensor Reflectance Sensorsku: ROB-08906The QTR-1RC reflectance sensor carries a single infrared LEDand phototransistor pair. The phototransistor uses a capacitordischarge circuit that allows a digital I/O line on a microcontrollerto take an analog reading of reflected IR by measuring the dischargetime of the capacitor. Shorter capacitor discharge time ... $5.21
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