Reflective Photointerrupter(LTH-1550)

Model : ROB-00020

Supplier : Made in China

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Reflective Photointerrupters (LTH-1550) for fast Non-contact switching.

The LTH-1550 reflective object sensors consist of an infrared emitting diode and a NPN sillicon phototransistor mounted side by side on converging optical axis in a black plastic housing.

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Khaledeeebuet | Jul 2,2013 at 12:48 AM
I tried to use it in a line follower. kept it 1cm above ground(resistor at receiver is 4.7k).At white & black surface it gives ADC value 185 &65 respectively(10 bit/0-1023 range). Is there a effective way to increase the difference.
A.R | Jul 2,2013 at 10:11 AM
You can use a comparator IC.
Abushuvom | Sep 19,2013 at 04:13 PM
u can also use higher resistor (i.e 100k or above) if that is a voltage divider circuit.That would give u better difference.although,op amp is better to avoid loading error
Ratul Khan | Dec 11,2013 at 03:34 PM
this one is excellent. need more of these. will this product be available soon?
A.R | Dec 11,2013 at 04:27 PM
We are trying our best to import it ASAP.It may takes 2 weeks to 1 month.

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