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Topic: Laser Sensor (Read 716 times) previous topic - next topic


Hello to all! i am new on this forum as i thought it would be the best place to ask this question 8-)

im in a need of an laser-sensor wich would recognise a soap bubble. what do i need to search for? thank you all very much for the answer!! :) :)


May you are on the wrong site...this is exhibition....   ;)


Recognise a soap bubble in what way?

If you shone the laser at a light dependent resistor (LDR) you could tell when the beam changed - so if the only thing that might pass is a soap bubble that'd do.

If you wanted to spot a soap bubble instead of something else you'd have a bit more trouble.

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