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I/R Photo Reflective Switch for Arduino

I/R Photo Reflective Switch for Arduino

31590-large.jpg  31590-1.jpg  31590-2.jpg    California Proposition 65 Warning
Stock No: 31590 MP
 Review Average:  
 Number of Reviews: 1
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Availibilty: In Stock   Units: 18

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 Detailed Description
Arduino I/R Reflective Switch Module
This module uses a infrared sensor containing an emitter along with a detector to sense objects or surfaces. The I/R receiver is connected to a LM393 voltage comparator with adjustable sensitivity control (R6). Module has a LED indicator that turns on when it receives a reflection from the IR emitter. The output can be connected directly to a micro-controller I/O port. Ideal for line following robots, collision avoidance & counting passing objects.
Power: 3.3V to 5VDC
Supply Current: < 40mA (LED off)
Sense Range: 10-30+cm Depending on reflectiveness of object
Sense Angle: ~ 20deg.
Output: Digital TTL Open Collector Current sink 20mA
3 Pin .1in. Pitch Header for Power & Output
L: 1-1/4” W: 5/8” T:WT: .02

View PDF Data Sheet

California Proposition 65 Warning WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
(This item was manufactured prior to August 31st, 2018)

 Product ReviewsClick here to review this item
OK, but has a problem
If you are trying to use this module with a 5 volt Arduino process, it does not work with a digital input. When a detection occurs, the output voltage is only about 2 volts. This is not enough to read. It needs to be at least 2.5 volts. The product 33024-MP works much better.
Gregory Majewski

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