Hi, I was in desperate search for a circuit diagram, to build a paper tape reader until I thought, the best way to do it was with the Arduino. I need to read a paper tape of 8+1 holes(I'll explain in a minute). I have been experimenting with my Arduino Diecimila, but nothing serious. My problem …

Please help me with building a paper tape reader (punched tape)

sth77 March 23, 2012, 4:26pm 15

I don't think that you need an analog input pin. Why don't you use a Schmitt trigger?

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