Hi !!! I am building a laser harp project and at first i was using one and only speaker.My project has 6 laser strings so it has to play six notes. I decided to connect 6 speakers,one for each one of the lasers so that every speaker plays only one note.The problem is that i can't use more than thre…

Digital Pins Problem

system January 27, 2011, 2:02pm 2

Which version of the IDE are you using? Which Arduino?

According to Tone.cpp, only one pin can be used as a Tone pin at any given time.

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