I want to detect each of 16 different model railway wagons as they pass over a certain point. I need to know if wagon 1, 2...16 is the one passing over that point. They will arrive in no particular order. They will be travelling at a slow speed. I have toyed with the idea of a self made barcode stu…

Detecting each of up to 16 different things

Coding_Badly November 2, 2012, 5:52am 3

Ir LED on each blinking at different rates.

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