Cool stuff, skimask.
I've seen your video some times ago and your explanation about how to do/use it is really great
In my case, distance between the "finger" and the LED is greater and needs more precision. Take a look at the drawing I made to see what the distances will be (more or less).
Each beam is 1 centimeter distant from another and the distance from one LED to it's corresponding photodiode is about 10 centimeters.
I'll have to "cut" two beams (row/colon) to get a correct coordinate.
So I need to have a very narrow beam to locate precisely where my finger (or an object) will be positionned.
<img src ="http://www.picbasic.co.uk/forum/attachment.php?attachmentid=1569&stc=1&d=117747937 7">
Again, the question is: what light emitting and detecting system is the best?
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