Sparkfun
SparkFun SEN-00241 Infrared Emitters and Detectors Pair
- SKU:
- PPSEN-00241
Description
SparkFun SEN-00241 Infrared Emitters and Detectors Pair
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 or Black dot) or the internal layout matches the third image above.
- IR Detector (Red dot)
Applications:
- IR Schematic - Basic object detection schematic
- Seattle Robotics - Infrared object detection
- Robot Room - Excellent website with lots of goodies
- Video Tutorial
Sold as a pair, with one Emitter and one Detector.
4 Reviews
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Title of review 1035
These units work very reliably and are very easy to use. I haven't tried the free sweets yet!
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Title of review 1034
I'd found the IR Tx/Rx pair from an American company, but was much happier to find a UK based reseller.<br />The IR pair were just what I needed to mend my Roomba. Even with my ham-fisted soldering.<br />And to top it off the package came with a small bag of sweets(no idea why) and they were very tasty :D.<br />First class post cost more than the components, but it still works out good value.
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Title of review 1033
Pretty good, though due to the design the IR does spread out so keep that in mind. Oh and keep a little note of which is the emitter and detector close by, found myself mixing them up often but that may just be me :P
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Title of review 1032
I had to make an infra-red photo-interrupter for a tacho I'm building. This pair were made for each other, are small, very precise and work beautifully - very easy to build into a reliable and functional system.For very precise work, I rate these two as
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