Hey arduino community, Edited: This exactly what i'm trying to do: I have an LDR and up/downCounter circuit. For now, I want the counter to count up everytime the LDR is activated. In other words, every time the LDR is covered with my hand, it will sent a single pulse to my counter circuit. Diag…

Single Pulse Help.

system November 2, 2011, 2:13pm 7

I just added the "digitalRead (ldr)" to the "void loop" but it does no work.

Yes, but you have to check what the return value is.
You did that, right?

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